Download
Share
Print this page
Thermo Scientific 42iQD Instruction Manual
  1. Manuals
  2. Brands
  3. Thermo Scientific Manuals
  4. Measuring Instruments
  5. 42iQD
  6. Instruction manual

Thermo Scientific 42iQD Instruction Manual

Hide thumbs

Advertisement

Quick Links

Download this manual
42iQD
Instruction Manual
NO
Analyzer
x
119013-00 • 1Sep2021

Advertisement

loading

Related Manuals for Thermo Scientific 42iQD

Summary of Contents for Thermo Scientific 42iQD

  • Page 1 42iQD Instruction Manual Analyzer 119013-00 • 1Sep2021...

  • Page 3: Table Of Contents

    View Data Log (Last 24 Hours) ............. 3-27 View Data Log (User Defined Time) ..........3-28 Advanced Data Setup ..............3-30 Data Logging Setup ..............3-31 Streaming Data Setup ..............3-33 Settings ..................... 3-35 Health Check ................. 3-36 Thermo Scientific 42iQD Instruction Manual...
  • Page 4 Change USB Password .............. 3-124 Reset USB Password ..............3-126 User Contact Information ............3-127 Update Bootloader ............... 3-128 Chapter 4 Calibration ......................4-1 Equipment Required ................4-2 Zero Gas Generator................4-2 Compression ................. 4-2 Drying ..................4-2 42iQD Instruction Manual Thermo Scientific...
  • Page 5 Next Time ..................4-21 Period .................... 4-21 Zero/Span/Purge Duration Minutes ..........4-21 Schedule Averaging Time ............... 4-22 Background Calibration and Span Calibration ....... 4-22 Zero/Span Ratio ................4-22 Chapter 5 Maintenance ...................... 5-1 Safety Precautions ................5-1 Thermo Scientific 42iQD Instruction Manual...
  • Page 6 Transformer Replacement .............. 7-42 Ozonator and Transformer Board Replacement ......7-43 Flow Switch Replacement .............. 7-44 Optional Manifold Replacement ............7-46 Chapter 8 System Description ................... 8-1 Reaction Chamber DMC ..............8-2 Optical Filter ................. 8-2 42iQD Instruction Manual Thermo Scientific...
  • Page 7 PTFE Particulate Filter ..............9-18 Ozone Particulate Filter ..............9-18 Appendix A Safety, Warranty, and WEEE ................A-1 Safety ....................A-1 Safety and Equipment Damage Alerts ..........A-1 Warranty ..................... A-2 WEEE Compliance ................A-4 WEEE Symbol ................. A-4 Thermo Scientific 42iQD Instruction Manual...
  • Page 8 Contents Appendix B Quick Reference ....................B-1 List of Figures ..................B-1 List of Tables..................B-3 Appendix C GNU Lesser General Public License ............C-1 GNU Lesser General Public License ........... C-1 viii 42iQD Instruction Manual Thermo Scientific...

  • Page 9: Chapter 1 Introduction

    10 seconds. Temperature and pressure correction are standard offerings of the 42iQD analyzer. User settable alarm levels for concentration and a variety of internal diagnostics are available from an easy to follow menu structure.

  • Page 10: Figure 1-1. 42Iqd Front

    PC. The ePort control mirrors the same GUI look and feel as the instrument touchscreen providing a speedy and familiar operational experience. Figure 1–1. 42iQD Front 42iQD Instruction Manual Thermo Scientific...

  • Page 11: Principle Of Operation

    A flow sensor prior to the reaction chamber measures the sample flow. Dry air enters the 42iQD through the dry air bulkhead, passes through a flow switch, and then through a silent discharge ozonator. The ozonator generates the ozone needed for the chemiluminescent reaction. At the...

  • Page 12: Figure 1-2. 42Iqd Flow Schematic

    Introduction Principle of Operation Figure 1–2. 42iQD Flow Schematic Figure 1–3. 42iQD Flow Schematic with Zero Span 42iQD Instruction Manual Thermo Scientific...

  • Page 13: Specifications

    Introduction Specifications Specifications Table 1–1 lists the specifications for the 42iQD. Table 1–1. 42iQD Specifications Range 0−20 ppm 0−30 mg/m Extended Ranges 0−200 ppm 0−150 mg/m Zero Noise 0.20 ppb RMS (60 second averaging time) Detection Limit 0.40 ppb (60 second averaging time) Zero Drift <0.40 ppb (24 hour)

  • Page 14: Dimensions

    Introduction Dimensions Dimensions Figure 1–4. Bench Mount Assembly (dimensions in inches [mm]) 42iQD Instruction Manual Thermo Scientific...

  • Page 15: Figure 1-5. Rack Mount Assembly (Dimensions In Inches [Mm])

    Introduction Dimensions Figure 1–5. Rack Mount Assembly (dimensions in inches [mm]) Thermo Scientific 42iQD Instruction Manual...

  • Page 16: Figure 1-6. Rack Mount Requirements

    Introduction Dimensions Figure 1–6. Rack Mount Requirements Figure 1–7. Rack Requirements Part 2 42iQD Instruction Manual Thermo Scientific...

  • Page 17: Installation And Setup

    Equipment Damage Do not attempt to lift the instrument by the cover or other external fittings. Unpacking and The 42iQD is shipped complete in one container. If there is obvious damage to the shipping container when you receive the instrument, notify Inspection the carrier immediately and hold for inspection.

  • Page 18: Cover Removing And Replacing

    2. Press in both latches located on top cover and hold while pulling up to remove. Set upright. Figure 2–1. Removing the Cover 3. To replace, align cover and drop in. Latches will automatically snap in place. 42iQD Instruction Manual Thermo Scientific...

  • Page 19: Mounting Options

    Rack Mount Bench Mount Positioned on bench, includes installing feet. See Figure 2–2. Equipment required: Slot drive, 5/16-inch 1. Fasten feet in position 1 or 2 to fit to the desired depth. Figure 2–2. Installing Feet Thermo Scientific 42iQD Instruction Manual...

  • Page 20: Rack Mount

    2. Unfasten the four 8-32 x 3/16-inch pan head screws. 3. Slide ears outwards. 4. Use the same four 8-32 x 3/16-inch pan head screws to secure it. 5. Install the handles with the four 8-32 x 3/16-inch flat head screws. 42iQD Instruction Manual Thermo Scientific...

  • Page 21: Figure 2-4. Installing Ears And Handles

    Installation and Setup Mounting Options Figure 2–4. Installing Ears and Handles Thermo Scientific 42iQD Instruction Manual...

  • Page 22: Setup Procedure

    “Connecting External Devices” on page 9-1 Communications > “Analog I/O” on page 3-53 “Digital I/O” on page 3-55. 5. Plug the instrument into an outlet of the appropriate voltage and frequency. 42iQD Instruction Manual Thermo Scientific...

  • Page 23: Figure 2-5. 42Iqd Rear Panel

    Installation and Setup Setup Procedure Icon Here The 42iQD is supplied with a three-wire grounding cord. Under no circumstances should this grounding system be defeated. Figure 2–5. 42iQD Rear Panel Figure 2–6. Atmospheric Dump Bypass Plumbing Thermo Scientific 42iQD Instruction Manual...

  • Page 24: Startup

    For more information about instrument parameters, see the “Operation” chapter. 4. Before beginning the actual monitoring, perform a multipoint calibration as described in the “Calibration” chapter. Figure 2–7. Front Panel and Touchscreen Display 42iQD Instruction Manual Thermo Scientific...

  • Page 25: Chapter 3 Operation

    The Status Bar, located at the bottom, includes the Back button, Access Levels, Health Check, Favorites, Date and Time, and Contact Information. Home Screen (single range mode) Title Bar User Interface Status Bar 42iQD Instruction Manual 3-1 Thermo Scientific...
  • Page 26 Operation Instrument Display Home Screen (dual or auto range mode) Title Bar User Interface Status Bar 42iQD Instruction Manual Thermo Scientific...
  • Page 27 The user will be directed to the favorites screen where the user chooses the button position. To remove a favorite button from the favorites screen, press and hold button for 2 seconds. Clock: Displays current date and time. Thermo Scientific 42iQD Instruction Manual...
  • Page 28 Operation Instrument Display Thermo Scientific Information button: Shows contact information. 42iQD Instruction Manual Thermo Scientific...

  • Page 29: Main Menus And Keypads

    • Language • Pump Power • Reboot Instrument Configuration Security Access Levels USB Drive Firmware Update Via USB • Drive • Download Data to USB Drive • Change USB Password User Contact Information Update Bootloader Thermo Scientific 42iQD Instruction Manual...

  • Page 30: Numeric Keypad

    Enter a new value using the keypad, and then select the Enter button to set the new value or press the Cancel button to exit the keypad screen and return to the previous screen without saving the value. 42iQD Instruction Manual Thermo Scientific...

  • Page 31: Alphanumeric Keypad

    Cancel button to exit the keypad screen and return to the previous screen without saving the value. The alphanumeric keypad is only available when the user needs to enter alphabet characters. Thermo Scientific 42iQD Instruction Manual...
  • Page 32 Operation Instrument Display 42iQD Instruction Manual Thermo Scientific...

  • Page 33: Calibration

    Calibrate Span Coefficients: Sets the NO span coefficient. Zero/Span Schedule: Programs the instrument to perform fully automated zero and span checks or adjustments. Advanced Calibration: Calibrates the instrument using manual zero/span calibration and provides calibration history. Thermo Scientific 42iQD Instruction Manual...

  • Page 34: Calibrate Background

    The Calibrate Background screen is used to calibrate the instrument zero background of NO Background Home Screen>Calibration>Calibrate Background The Calibrate Background screen contains the following information: Calibrate NO Background: Sets the NO background to zero. 3-10 42iQD Instruction Manual Thermo Scientific...
  • Page 35 Calculated NO Background: Read only. Displays what the user-set NO background will become when the calibrate button is pressed. Calibrate: When pressed, updates the background value, making the concentration go to zero. 3-11 Thermo Scientific 42iQD Instruction Manual...

  • Page 36: Calibrate Span Coefficient

    300-second averaging. Home Screen>Calibration>Calibrate Span Coefficient (single range mode) Home Screen>Calibration>Calibrate Span Coefficient (dual or auto range mode) 3-12 42iQD Instruction Manual Thermo Scientific...

  • Page 37: Calibrate No X Span Coefficient

    Span Coefficient: Sets the high range NO span coefficient when in dual or auto range mode. Calibrate Low Range NO Span Coefficient: Sets the low range NO span coefficient when in dual or auto range mode. 3-13 Thermo Scientific 42iQD Instruction Manual...
  • Page 38 300-second averaging. Home Screen>Calibration>Calibrate Span Coefficient (single range mode) Home Screen>Calibration>Calibrate High Range Coefficient (dual or auto range mode) 3-14 42iQD Instruction Manual Thermo Scientific...
  • Page 39 Span Coefficient: Read only. After the “Edit Span Concentration” value is entered, the new calculated low range span coefficient is displayed. Calibrate: When pressed, updates the coefficient and the concentration should match the span concentration. 3-15 Thermo Scientific 42iQD Instruction Manual...

  • Page 40: Zero/Span Schedule

    Span Duration: Sets how long span gas is sampled by the instrument. Purge Duration: Sets how long the purge period will be at the end of the schedule. Total Duration: Read only. Displays the total time duration of all scheduled events. 3-16 42iQD Instruction Manual Thermo Scientific...
  • Page 41 1:1. (This means that each time the schedule is run, both the zero duration and span duration occurs.) The zero/span ratio is allowable between 1 to 99. If 99 is chosen, the schedule should only perform the Span on the 99th iteration. 3-17 Thermo Scientific 42iQD Instruction Manual...

  • Page 42: Advanced Calibration

    Home Screen>Calibration>Advanced Calibration The Advanced screen contains the following information: Manual Calibration: The user manually adjusts the background or span coefficient. Calibration History: Lists all calibrations performed and calibration checks. 3-18 42iQD Instruction Manual Thermo Scientific...

  • Page 43: Manual Calibration

    Adjust Background: Allows the user to manually adjust the zero background. Adjust Span Coefficient: Allows the user to manually adjust the span coefficient. Reset Bkg to 0.000 and Span Coef to 1.000: Resets background and coefficient. 3-19 Thermo Scientific 42iQD Instruction Manual...
  • Page 44 The Adjust Background screens is used to manually adjust the NO zero background. Home Screen>Calibration>Advanced Calibration>Manual Calibration>Adjust Background The Adjust Background screen contains the following information: Adjust NO Background: User manually adjusts zero NO background. 3-20 42iQD Instruction Manual Thermo Scientific...
  • Page 45 Adjusted NO Concentration: Read only. Displays what the NO concentration value will become when the calibrate button is pressed. Current NO Concentration: Read only. Displays the current NO concentration. Calibrate: When pressed, updates the background. 3-21 Thermo Scientific 42iQD Instruction Manual...
  • Page 46 To achieve maximum precision, allow the instrument to stabilize each time input gas is changed and set the averaging time to 300-second averaging. Home Screen>Calibration>Advanced Calibration>Manual Calibration>Adjust Span Coefficient>Adjust NO Span Coefficient (single range mode) 3-22 42iQD Instruction Manual Thermo Scientific...
  • Page 47 Adjusted Low Range NO Concentration: Read only. Shows current low range NO concentration when in dual or auto range mode. Calibrate: Calibrates span coefficient by saving the newly adjusted span coefficient. 3-23 Thermo Scientific 42iQD Instruction Manual...

  • Page 48: Calibration History

    Time Stamp: Time of calibration or calibration check. Event: Lists the type of calibration event. Result: Concentration result. Target: Concentration setpoint value. Units: Displays units for each item. Average Time: Averaging time used during the calibration or calibration check. 3-24 42iQD Instruction Manual Thermo Scientific...

  • Page 49: Data

    View Data Log (User Defined Time): User selects the start and end time for viewing the data. Table shows most recent data on top. Advanced Data Setup: Allows the user to set up the parameters of how the data is stored. 3-25 Thermo Scientific 42iQD Instruction Manual...

  • Page 50: View Data Log (Last Hour)

    The View Data Log (Last Hour) screen contains the following options: Graph: Displays data graph for the column selected. The graph time axis is defined by the data set in the table. 3-26 42iQD Instruction Manual Thermo Scientific...

  • Page 51: View Data Log (Last 24 Hours)

    Retrieving user log data, it may take a few seconds... The View Data Log (Last 24 Hours) screen contains the following options: Graph: Displays data graph for the column selected. The graph time axis is defined by the data set in the table. 3-27 Thermo Scientific 42iQD Instruction Manual...

  • Page 52: View Data Log (User Defined Time)

    Date: Sets date of data logging start time. Time: Sets time of data logging start time. Save Data Logging Start Time: Pressing this button saves the start time and follows directly to the end time selection for the data logging screen. 3-28 42iQD Instruction Manual Thermo Scientific...
  • Page 53 Time button saves the end time and follows directly to the data logging table. Note End time should not be greater than 1 year from start time . Note The datalogging table is limited to 10,000 points. 3-29 Thermo Scientific 42iQD Instruction Manual...

  • Page 54: Advanced Data Setup

    The Advanced Data Setup screen contains the following information: Data Logging Setup: User selects the parameters for collecting logged data. Streaming Data Setup: User selects the parameters for streaming data to a computer in real time. 3-30 42iQD Instruction Manual Thermo Scientific...

  • Page 55: Data Logging Setup

    When set to minimum or maximum, the minimum or maximum value during the period will be recorded. Erase Data Log Records: Allows the user to erase all values in the data log and updates the data logging table. 3-31 Thermo Scientific 42iQD Instruction Manual...
  • Page 56 Use the  and  buttons to scroll through the variables. Select the variables to log by pressing the corresponding cells. Next, press the Commit Changes button to save selections. Yellow buttons indicate that the variable is selected. Home Screen>Data>Advanced>Data Logging Setup>Select Data Logging Variables 3-32 42iQD Instruction Manual Thermo Scientific...

  • Page 57: Streaming Data Setup

    Period: Sets the time between streamed data. Show Labels: Toggles Enabled/Disabled. When enabled, shows variable labels to the left of the variable values. Show Timestamp: Toggles Enabled/Disabled. When enabled, shows timestamp at the beginning of each row of data. 3-33 Thermo Scientific 42iQD Instruction Manual...
  • Page 58 Use the  and  buttons to scroll through the variables. Select the variables to log by pressing the corresponding cells. Next, press the Commit Changes button to save selections. Yellow buttons indicate that the variable is selected. Home Screen>Data>Advanced>Streaming Data Setup>Select Streaming Variables 3-34 42iQD Instruction Manual Thermo Scientific...

  • Page 59: Settings

    USB Drive: User can update instrument firmware, download data, and change USB password. User Contact Information: User sets up their contact information. Update Bootloader: Used to update bootloader when an update to the bootloader is available. 3-35 Thermo Scientific 42iQD Instruction Manual...

  • Page 60: Health Check

    The iQ360 feature is a paid subscription enabling or disabling the instrument to send automated emails to technical support when an alarm or alert is triggered. Firmware Version: Shows the instrument’s firmware version. 3-36 42iQD Instruction Manual Thermo Scientific...

  • Page 61: Status And Alarms

    Reaction Chamber: Displays reaction chamber alarms and faults. Ozonator: Displays ozonator alarms and faults. Converter: Displays NO converter alarms and faults. Flow and Pressure: Displays flow and pressure alarms and faults. Peripherals Support: Displays peripherals support alarms and faults. 3-37 Thermo Scientific 42iQD Instruction Manual...
  • Page 62 Valve and Pump Resets: User can reset valve and pump power. Analog I/O: Displays analog input/output alarms and faults. Digital I/O: Displays digital input/output alarms and faults. Serial Numbers: Displays all the serial numbers for the instrument. 3-38 42iQD Instruction Manual Thermo Scientific...
  • Page 63 High alarm shows user defined limit for acceptable background check offset. Span Check Offset: Displays NO concentration based on the last attempted span calibration. High alarm shows user defined 3-39 Thermo Scientific 42iQD Instruction Manual...
  • Page 64 (compared to the span concentration value). Span concentration shows span setpoint. Note If both the low alarm and high alarms are set to zero, then no alarm will show. 3-40 42iQD Instruction Manual Thermo Scientific...
  • Page 65 Chamber Pressure: Displays the current chamber pressure reading. Chamber Temperature: Displays the current chamber temperature reading. User can adjust low and high alarm limits. Chamber Temp Sensor Short: Displays OK/Fail for chamber temperature sensor short. 3-41 Thermo Scientific 42iQD Instruction Manual...
  • Page 66 No voltage rows ever get highlighted. 3.3 V Diagnostic: Displays current voltage readings. Alarm limits are not changeable. 5 V Diagnostic: Displays current voltage readings. Alarm limits are not changeable. 3-42 42iQD Instruction Manual Thermo Scientific...
  • Page 67 12 V Diagnostic: Displays current voltage readings. Alarm limits are not changeable. -12 V Diagnostic: Displays current voltage readings. Alarm limits are not changeable. 24 V Diagnostic: Displays current voltage readings. Alarm limits are not changeable. 3-43 Thermo Scientific 42iQD Instruction Manual...
  • Page 68 Ozonator Current: Displays the current ozonator Current. Board Communication: Displays OK/Fail for board communication status. Power Supply: Displays OK/Fail of power supplies. Power supply goes red if any voltages are outside their limits. No voltage rows ever get highlighted. 3-44 42iQD Instruction Manual Thermo Scientific...
  • Page 69 5 V Diagnostic: Displays current voltage readings. Alarm limits are not changeable. 15 V Diagnostic: Displays current voltage readings. Alarm limits are not changeable. 24 V Diagnostic: Displays current voltage readings. Alarm limits are not changeable. 3-45 Thermo Scientific 42iQD Instruction Manual...
  • Page 70 User can adjust low and high alarm limits. Thermocouple Open: Displays OK/Fail for NO thermocouple open. Thermocouple Short: Displays OK/Fail for NO thermocouple short. Board Communication: Displays OK/Fail for board communication status. 3-46 42iQD Instruction Manual Thermo Scientific...
  • Page 71 3 V Diagnostic: Displays current voltage readings. Alarm limits are not changeable. 3.3 V Diagnostic: Displays current voltage readings. Alarm limits are not changeable. 5 V Diagnostic: Displays current voltage readings. Alarm limits are not changeable. 3-47 Thermo Scientific 42iQD Instruction Manual...
  • Page 72 User can adjust low and high alarm limits. Sample Input Pressure: Displays the current sample input pressure reading. Instrument Temperature: Displays the current instrument temperature reading. User can adjust low and high alarm limits. 3-48 42iQD Instruction Manual Thermo Scientific...
  • Page 73 3.3V Diagnostic: Displays current voltage readings. Alarm limits are not changeable. 5.0V Diagnostic: Displays current voltage readings. Alarm limits are not changeable. 24V Diagnostic: Displays current voltage readings. Alarm limits are not changeable. 3-49 Thermo Scientific 42iQD Instruction Manual...
  • Page 74 Zero Valve: Displays whether or not the zero valve is activated. Span Valve: Displays whether or not the span valve is activated. Pump: Displays the current pump reading. Instrument Error: Displays OK/Fail for PCP, datalogging, streaming, serial server, and Modbus protocols. 3-50 42iQD Instruction Manual Thermo Scientific...
  • Page 75 24V Diagnostic: Displays current voltage readings. Alarm limits are not changeable. 5.0V Step Board 1: Displays OK/Fail. 24V Step Board 1: Displays OK/Fail. 5.0V Step Board 2: Displays OK/Fail. 24V Step Board 2: Displays OK/Fail. 3-51 Thermo Scientific 42iQD Instruction Manual...
  • Page 76 Pump Resets The Valve and Pump Resets screen contains the following information: Sample Valve Reset: Resets sample valve. Zero Valve Reset: Resets zero valve. Span Valve Reset: Resets span valve. Pump Reset: Resets pump. 3-52 42iQD Instruction Manual Thermo Scientific...
  • Page 77 Current Output Channel 1–6: Displays real-time current output for each channel. Chip Temperatures: Displays OK/Fail for chip temperatures. Chip 1–3 Communication: Displays OK/Fail for each chip communication. Test Mode: Displays test mode on or off. 3-53 Thermo Scientific 42iQD Instruction Manual...
  • Page 78 5.0V Ref Diagnostic: Displays current voltage readings. Alarm limits are not changeable. 15V Diagnostic: Displays current voltage readings. Alarm limits are not changeable. -15V Diagnostic: Displays current voltage readings. Alarm limits are not changeable. 3-54 42iQD Instruction Manual Thermo Scientific...
  • Page 79 External Alarm 1–3: Displays OK/Fail for external alarms. Relay Test Mode: Displays relay test mode on or off. Solenoid Test Mode: Displays solenoid test mode on or off. Board Communication: Displays OK/Fail for communication status. 3-55 Thermo Scientific 42iQD Instruction Manual...
  • Page 80 3.3V Diagnostic: Displays current voltage readings. Alarm limits are not changeable. 5.0V Diagnostic: Displays current voltage readings. Alarm limits are not changeable. 24V Diagnostic: Displays current voltage readings. Alarm limits are not changeable. 3-56 42iQD Instruction Manual Thermo Scientific...
  • Page 81 Ozonator: Ozonator serial number. Converter: NO converter serial number. Flow and Pressure: Flow and pressure serial number. Peripherals Support: Peripherals support serial number. Analog I/O: Analog I/O serial number. Digital I/O: Digital I/O serial number. 3-57 Thermo Scientific 42iQD Instruction Manual...

  • Page 82: Predictive Diagnostics

    This symbol denotes there is an active maintenance related warning in the module. Home Screen>Settings>Health Check>Predictive Diagnostics The Predictive Diagnostics screen contains the following information: Reaction Chamber Converter Sample Pump Capillary Flow Path Case Fan Sample Valve Zero Valve Span Valve 3-58 42iQD Instruction Manual Thermo Scientific...

  • Page 83: Maintenance

    Change Part: User logs component fix. Maintenance History: Shows the log of all recorded component fixes. Service Tips: Provides video and procedural service tips. Advanced Maintenance: Resets all preventive maintenance items. 3-59 Thermo Scientific 42iQD Instruction Manual...
  • Page 84 Reset: Once the component is serviced/replaced, the user presses the Reset button and the “Months Left” value resets to the “Interval in Months” value. Alert: Allows the user to opt out of receiving preventive maintenance alerts. Displays Enabled/Disabled for each component. 3-60 42iQD Instruction Manual Thermo Scientific...
  • Page 85 DC Power Supply: Service interval for DC power supply. Fan Filter: Service interval for fan filter. System Components: Service interval for system components. Purafil: Service interval for purafil. Charcoal: Service interval for charcoal. Dri-Rite: Service interval for dri-rite. 3-61 Thermo Scientific 42iQD Instruction Manual...
  • Page 86 Fix: User chooses from new, rebuilt, cleaned, and unknown. Comment: User can write a brief comment, which will be saved to the preventive maintenance history table. Commit: User commits and saves the selected part fix. 3-62 42iQD Instruction Manual Thermo Scientific...

  • Page 87: Maintenance History

    Part: Component that has been fixed. Fix: The type of maintenance. Date: Shows date/time when service was logged. Service Months: Amount of time in months since last service. Comments: Shows comments entered from time of change. 3-63 Thermo Scientific 42iQD Instruction Manual...

  • Page 88: File Sharing And Support

    Alert Assistant: With the iQ Alert Assistant enabled, the instrument will email Thermo Scientific Technical Support the health check report after each event. After each maintenance alert or predictive diagnostic alert, Customer Service will produce a quote for the components that require service.
  • Page 89 Status and Renewal Request: Allows the user to access the iQ360 menu once the subscription has been enabled. Cancel and Return to the Home Screen: Exits screen and returns to the Home Screen. 3-65 Thermo Scientific 42iQD Instruction Manual...
  • Page 90 Enter Subscription Access Code: Allows the user to enter the subscription passcode to enable an iQ360 subscription. Exit and Return to the Home Screen: Exits screen and returns to the Home Screen. 3-66 42iQD Instruction Manual Thermo Scientific...
  • Page 91 Subscription Expiration Date: Informs the user when the subscription will expire. iQ360 Test Connection: Allows the user to verify the network connection is working. iQ360 Subscription Renewal: Allows the user to request a subscription renewal via email. 3-67 Thermo Scientific 42iQD Instruction Manual...

  • Page 92: Measurement Settings

    Gas Mode: User can manually choose sample, zero or span mode. Gas Units: Defines how the NO concentration readings are expressed. Dilution Ratio: Serves as a multiplier when dilution gas is utilized. Advanced Measurement Settings: Advanced settings affecting NO readings. 3-68 42iQD Instruction Manual Thermo Scientific...

  • Page 93: Averaging Time

    At the same time it will preserve the representative nature of the filtered data to the conditions being sampled. Note When Dynamic Filtering is selected, the user selected Averaging Time button is disabled. 3-69 Thermo Scientific 42iQD Instruction Manual...
  • Page 94 High Range Averaging Time: Sets high averaging time when in dual or auto range mode and when dynamic filtering is disabled. Low Range Averaging Time: Sets high averaging time when in dual or auto range mode and when dynamic filtering is disabled. 3-70 42iQD Instruction Manual Thermo Scientific...

  • Page 95: Range Mode Selection

    50 ppb are output based on high range selection. When the low range is active, the range mode selection status output is at 0 volts. 3-71 Thermo Scientific 42iQD Instruction Manual...
  • Page 96 This is especially necessary if the two ranges are not close to one another. For example, the low NO range is set to 0– 50 ppb and the high NO range is set to 0–20000 ppb. 3-72 42iQD Instruction Manual Thermo Scientific...

  • Page 97: Range Settings

    Home Screen>Settings>Measurement Settings>Range Settings (dual or auto range mode) The Range Settings screen contains the following information: Range Setting: Sets the NO concentration range for the analog outputs when in single range mode. 3-73 Thermo Scientific 42iQD Instruction Manual...
  • Page 98 0.05−20 ppm 0.000005−0.002 % µg/m 100−30000 µg/m mg/m 0.1−30 mg/m .0001−0.030 g/m Settable extended ranges according to unit selection include: 200−100000 ppb 0.2−200 ppm 00002−0.01 % µg/m 500−150000 µg/m mg/m 0.5−150 mg/m .0005−0.150 g/m 3-74 42iQD Instruction Manual Thermo Scientific...

  • Page 99: Gas Mode

    Sample: Sets the instrument to measure sample gas. Zero: Used when calibrating the background of the instrument. When pressed, sets the instrument to zero mode. Span: Used when calibrating the span coefficient. When pressed, sets the instrument to span mode. 3-75 Thermo Scientific 42iQD Instruction Manual...

  • Page 100: Gas Units

    Home Screen>Settings>Measurement Settings>Gas Units The Gas Units screen contains the following information: ppb: parts per billion. ppm: parts per million. %: percent. µg/m3: micrograms per meter cubed. mg/m3: milligrams per meter cubed. g/m3: grams per meter cubed. 3-76 42iQD Instruction Manual Thermo Scientific...

  • Page 101: Advanced Measurement Settings

    Reaction Chamber Settings: User can calibrate Input board and PMT. Extended Ranges: Enables/disables extended ranges feature. Compensation: Allows the user to compensate for changes in temperature and pressure concentration. Pressure Calibration: Calibrates pressure. 3-77 Thermo Scientific 42iQD Instruction Manual...
  • Page 102 Description: Defines the actions the user can do. Input Board Cal: User can manually adjust the input board value, start/stop automatic calibration, read voltage, frequency and zero offset frequency values, and reset default values. Units: Displays units for each item. 3-78 42iQD Instruction Manual Thermo Scientific...
  • Page 103 Current PMT: Displays the current PMT voltage value. Units: Displays units for each item. 3-79 Thermo Scientific 42iQD Instruction Manual...
  • Page 104 1% of target concentration. End Calibration: When pressed, the auto calibration is interrupted and the value does not change. Default PMT Supply: When pressed, the default PMT supply value is saved. 3-80 42iQD Instruction Manual Thermo Scientific...
  • Page 105 Standard Temperature for Gas Units: Allows the user to enter a value between 0 and 30 °C to correct the µg/m , mg/m , and g/m concentration calculations. 3-81 Thermo Scientific 42iQD Instruction Manual...
  • Page 106 Under the column labeled reading, the user enters the pressure in mmHg. Under the column labeled Calibration, the user presses the Start button to calibrate the low point of the sensor. Reset all values: Resets values to default. 3-82 42iQD Instruction Manual Thermo Scientific...

  • Page 107: Communications

    ID number if two or more of instruments of the same model are connected to one computer. Valid instrument ID numbers are from 0 to 127. The 42iQD has a default instrument ID of 1. 3-83 Thermo Scientific...
  • Page 108 Note Refer to the “Bayern Hessen Protocol” section in the Communications Manual for a detailed description. Ethernet Protocol Selection: Allows the user to enable Streaming, Modbus, or Bayern Hessen to utilize the mobile app and/or those communication protocols. 3-84 42iQD Instruction Manual Thermo Scientific...

  • Page 109: Wired Tcp/Dhcp

    DHCP disabled) The Wired TCP/DHCP screen contains the following information: DHCP: Toggles DHCP Enabled/Disabled. Dynamic IP Address: Dynamic IP address of the instrument. Dynamic Netmask: Dynamic Netmask of instrument. Dynamic Gateway: Dynamic Gateway of instrument. 3-85 Thermo Scientific 42iQD Instruction Manual...
  • Page 110 Static Gateway: Static Gateway of instrument. This is settable when DHCP is disabled. DNS Server Address: DNS IP address of instrument. This is settable when DHCP is disabled. Wired MAC Address: Instrument MAC address. Host Name: Host name of instrument. 3-86 42iQD Instruction Manual Thermo Scientific...

  • Page 111: Serial Rs-232/485

    Baud Rate: User selectable baud rates from 1200 to 115200. Bits: User selectable between 7 and 8. Parity: User selectable between None, Even, and Odd. Stop Bits: User selectable between 1 and 2. RS 232/485: User selectable between RS-232 and RS-485. 3-87 Thermo Scientific 42iQD Instruction Manual...

  • Page 112: Analog I/O

    Analog Out Calibration: Allows the user to calibrate the analog out voltage and current to account for varying loads attached to the terminals. 3-88 42iQD Instruction Manual Thermo Scientific...

  • Page 113: Digital I/O

    Digital In: Allows the user to view digital inputs from external devices. Digital Out (Relays): Allows the user to view relay outputs. Digital Out (Solenoids): Allows the user to view solenoid outputs. Advanced Digital I/O: Allows user to test the digital out relays and solenoids. 3-89 Thermo Scientific 42iQD Instruction Manual...

  • Page 114: Email Server (Smtp)

    From Email Address: The email address that goes in the From field in emails. SMTP Server Port: Server port of user’s email server. Email Password: Password for SMTP server. Email UserName: User name that is authorized to send email through SMTP server. 3-90 42iQD Instruction Manual Thermo Scientific...

  • Page 115: Bayern Hessen Settings

    (001 to 999) that will preface the measured value in the response to the ‘DA’ command. Down: 1–8: Displays the register number and the measured values to be logged in the respective register location, in response to a valid query (DA) command. 3-91 Thermo Scientific 42iQD Instruction Manual...

  • Page 116: Ethernet Protocol Selection

    Press Commit changes button to save selections. Yellow buttons indicate that the selection is enabled. More than one can be chosen. Home Screen>Settings>Communications>Ethernet Protocol Selection The Ethernet Protocol Selection screen contains the following information: Streaming Modbus Bayern Hessen 3-92 42iQD Instruction Manual Thermo Scientific...

  • Page 117: Instrument Settings

    Ozonator Safety Enabled/Disabled: Enables/disables ozonator safety. PMT Supply Enabled/Disabled: Enables/disables PMT supply. Ozonator Supply Enabled/Disabled: Enables/disables ozonator supply. Display Setup: Sets touchscreen display settings. Clock: Sets date and time. Language: Sets language. 3-93 Thermo Scientific 42iQD Instruction Manual...
  • Page 118 Operation Settings Pump Power: Manually enables/disables the pump. Reboot Instrument: Reboots the instrument. 3-94 42iQD Instruction Manual Thermo Scientific...

  • Page 119: Instrument Setpoints

    The Alarm Setpoints screen contains the following information: Across: Variable: Lists the items that have settable alarm limits. Setpoint: User sets high alarm for item. Units: Units for each item (not settable). Down: Converter Temperature: NO converter temperature. 3-95 Thermo Scientific 42iQD Instruction Manual...

  • Page 120: Alarm Setpoints

    Units: Units for each item (not settable). Down: Concentration NO concentration alarm. Bkg Check Offset: User can set the maximum allowable background reading offset for calibration and calibration checks. This is set with the high alarm only. 3-96 42iQD Instruction Manual Thermo Scientific...
  • Page 121 Instrument Temperature: Instrument temperature alarm. Chamber Pressure: Bench pressure alarm. Flow: Flow pressure alarm. Chamber Temperature: Bench temperature alarm. Cooler Temperature: Cooler temperature alarm. Converter Temperature: NO converter temperature alarm. 3-97 Thermo Scientific 42iQD Instruction Manual...

  • Page 122: Display Setup

    Power Save: Minutes before screen times out. Toggles enable/disable. Power Save Setting: Option whereby the user can display a black screen after a set amount of inactivity. Brightness: Sets the brightness of the display. 3-98 42iQD Instruction Manual Thermo Scientific...

  • Page 123: Clock

    Date Format: User selects date format. Time: User sets time. Time Zone: User chooses time zone. Time Server: User can enable/disable the time server to get periodic clock updates. Commit: When pressed, clock settings are saved. 3-99 Thermo Scientific 42iQD Instruction Manual...
  • Page 124 Operation Settings Date The Date screen allows the user to choose date. Use the  and  buttons to move left and right to select month and year. Home Screen>Settings>Instrument Settings>Clock>Date 3-100 42iQD Instruction Manual Thermo Scientific...
  • Page 125 The Date Format screen allows the user to choose from the following formats: mm/dd/yyyy or dd/mm/yyyy. Use the  and  buttons to select. Home Screen>Settings>Instrument Settings>Clock>Date Format The Date Format screen contains the following information: U.S. Format mm/dd/yyyy European Format dd/mm/yyyy ISO 8601 yyyy-mm-dd 3-101 Thermo Scientific 42iQD Instruction Manual...
  • Page 126 The Time screen allows the user to choose from the following formats: mm/dd/yyyy or dd/mm/yyyy. Use the  and  buttons to select. Home Screen>Settings>Instrument Settings>Clock>Time The Time screen contains the following information: Hours Minutes Seconds 3-102 42iQD Instruction Manual Thermo Scientific...

  • Page 127: Time Zone

    Alaskan Time Zone(UTC-9) Pacific Time Zone(UTC-8) Pacific Daylight Savings(UTC-7) Mountain Time Zone(UTC-7) Mountain Daylight Savings(UTC-6) Central Time Zone(UTC-6) Central Daylight Savings((UTC-5) Eastern Time Zone(UTC-5) Eastern Daylight Savings(UTC-4) Atlantic Time Zone(UTC-4) Mid-Atlantic(UTC-3) South Georgia(UTC-2) Cape Verde Time(UTC-1) 3-103 Thermo Scientific 42iQD Instruction Manual...
  • Page 128 Coordinated Universal Time(UTC-0) Central European Time(UTC+1) Eastern European Time(UTC+2) Further-Eastern European Time(UTC+3) Gulf Standard Time(UTC+4) Yekaterinburg Time(UTC+5 Omsk Time(UTC+6) Indochina Time(UTC+7) ASEAN Common Time(UTC+8) Japan Standard Time(UTC+9) Chamorro Time Zone(UTC+10) Sredmnekolymsk Time(UTC+11) New Zealand Standard Time(UTC+12) 3-104 42iQD Instruction Manual Thermo Scientific...
  • Page 129 The Time Server screen contains the following information: Time Server: Enables/Disables periodic clock updates from an NTP (Network Time Protocol) source. Set Time Server: User can choose specific time server. Set Default: When pressed, default time server will be used. 3-105 Thermo Scientific 42iQD Instruction Manual...
  • Page 130 Operation Settings Language The Language screen allows the user to choose from the following languages. Home Screen>Settings>Instrument Settings>Language The Language screen contains the following information: English Chinese Spanish 3-106 42iQD Instruction Manual Thermo Scientific...

  • Page 131: Configuration

    Zero Span Assembly: Enables zero/span valves. Communications Board: Enables RS-232 or RS-485 communication board. Predictive Diagnostics: Enables predictive diagnostics. Analog I/O: Enables analog I/O option. Digital I/O: Enables digital I/O option. Instrument Warmup: Enables instrument warm up option. 3-107 Thermo Scientific 42iQD Instruction Manual...

  • Page 132: Security Access Levels

    Change Security Access to View Only: User can switch to view only mode. Password not needed to change settings to view only access. Change Security Access to Full Access: User can switch to full access mode. Password is needed to change settings to full access. 3-108 42iQD Instruction Manual Thermo Scientific...
  • Page 133 Change Full Access Security Password: Full access password can have a blank value or user selected password. Change Instrument Password: User can change instrument password. Reset Instrument Password: User can reset the instrument password. 3-109 Thermo Scientific 42iQD Instruction Manual...

  • Page 134: Change Security To View Only Access

    Cancel: Exit screen. Note To change security access from view only access to full access, a keypad will be displayed where the user can enter full access password. 3-110 42iQD Instruction Manual Thermo Scientific...

  • Page 135: Change Full Access Security Password

    The Change Full Access Security Password screen allows the user to set a Security Password new password for allowing full access. Home Screen>Settings>Security Access Levels>Change Full Access Security Password Home Screen>Settings>Security Access Levels>Change Full Access > Security Password Continue 3-111 Thermo Scientific 42iQD Instruction Manual...
  • Page 136 Confirm New Security Access Password: User confirms new security password for spelling confirmation. Commit New Security Access Password Change: Commits new security password. Cancel and Return to the Home Screen: Exits screen and returns to the Home Screen without changing password. 3-112 42iQD Instruction Manual Thermo Scientific...

  • Page 137: Change Instrument Password

    Operation Settings Change Instrument The Change Instrument Password screen allows the user to change the Password instrument password. Home Screen>Settings>Security Access Levels>Change Instrument Password Home Screen>Settings>Security Access Levels>Change Instrument Password>Continue 3-113 Thermo Scientific 42iQD Instruction Manual...
  • Page 138 Confirm New Instrument Password: User confirms new instrument password for spelling confirmation. Commit New Instrument Password Change: Commits new instrument password. Cancel and Return to the Home Screen: Exits screen and returns to the Home Screen without changing password. 3-114 42iQD Instruction Manual Thermo Scientific...

  • Page 139: Reset Instrument Password

    The Reset Instrument Password screen contains the following information: Reset: Allows the user to reset the instrument password. Cancel and Return to the Home Screen: Exits screen and returns to the Home Screen without changing password. 3-115 Thermo Scientific 42iQD Instruction Manual...

  • Page 140: Usb Drive

    Firmware Update Via USB Drive: If USB is mounted, user can update instrument firmware. Download Data To USB Drive: User can download/upload information. Change USB Password: User can change the USB password. Reset USB Password: User can reset the USB password. 3-116 42iQD Instruction Manual Thermo Scientific...

  • Page 141: Firmware Update Via Usb Drive

    The Firmware Update Via USB Drive screen contains the following information: Update Firmware: User chooses firmware file from USB and updates instrument firmware. Instrument reboots when update is finished. Exit: User exits without updating firmware. 3-117 Thermo Scientific 42iQD Instruction Manual...
  • Page 142 If a USB password has been previously set, you will be prompted to enter the USB password to continue. Press Enter to continue. 7. Press the OK button on the pop-up box to go to the Firmware Update Via USB Drive screen. 3-118 42iQD Instruction Manual Thermo Scientific...
  • Page 143 10. The on-screen instructions will prompt the user to select the firmware update file and display what it is doing at each step and some steps may take several minutes to complete. 11. Press Yes to confirm and proceed with the firmware upgrade. 3-119 Thermo Scientific 42iQD Instruction Manual...
  • Page 144 Note Do not power off the instrument while the firmware update is in progress. 12. The instrument should reboot automatically and should have the new firmware installed. To check that the firmware was installed, go to the Settings>Health Check screen and view the Firmware Version button. 3-120 42iQD Instruction Manual Thermo Scientific...

  • Page 145: Download Data To Usb Drive

    USB to the instrument. Restore: Allows the user to upload the configuration files from the USB to the instrument. Download All Data: Downloads all reports, logs, histories, and backup information. 3-121 Thermo Scientific 42iQD Instruction Manual...
  • Page 146 If a USB password has been previously set, you will be prompted to enter the USB password to continue. Press Enter to continue. 2. To continue, select the OK button. 3. The USB Drive will display. Select Download Data To USB Drive. 3-122 42iQD Instruction Manual Thermo Scientific...
  • Page 147 “Success!” message and display the file name as it is stored on the USB flash drive. (The file name format is the instrument serial number, name of download, followed by a date/time stamp.) Remove the USB flash drive and select the OK button to continue. 3-123 Thermo Scientific 42iQD Instruction Manual...

  • Page 148: Change Usb Password

    Settings Change USB Password The Change USB Password screen allows the user to set a new password for accessing USB. Home Screen>Settings>USB Drive>Change USB Password Home Screen>Settings>Security Access Levels>Change Standard Access > Password Continue 3-124 42iQD Instruction Manual Thermo Scientific...
  • Page 149 Confirm New Security Access Password: User confirms new security password for spelling confirmation. Commit New USB Password Change: Commits new USB password. Cancel and Return to the Home Screen: Exits screen and returns to the Home Screen without changing password. 3-125 Thermo Scientific 42iQD Instruction Manual...

  • Page 150: Reset Usb Password

    The Reset USB Password screen contains the following information: Reset: Allows the user to reset the USB password. Cancel and Return to the Home Screen: Exits screen and returns to the Home Screen without changing password. 3-126 42iQD Instruction Manual Thermo Scientific...

  • Page 151: User Contact Information

    Business Name User Name Alternate User Name User ID Business Address Business Shipping Address To: User Email Address CC: User Email Address 1−10 User Phone Number Alternate User Phone Number Shelter / Lab Phone Number 3-127 Thermo Scientific 42iQD Instruction Manual...

  • Page 152: Update Bootloader

    If the button is blue, an update to the bootloader is available. If button is greyed out, no update is needed. Home Screen>Settings>Update Bootloader The Update Bootloader screen contains the following information: Reboot and Update: Update bootloader and reboot instrument. Exit: Exits screen. 3-128 42iQD Instruction Manual Thermo Scientific...

  • Page 153: Chapter 4 Calibration

    The following describes procedures for performing a multipoint calibration of the 42iQD. The information described here is considered adequate to perform the calibration. However, if greater detail is desired, the user is referred to the Code of Federal Regulations, Title 40, Part 50, Appendix F.

  • Page 154: Equipment Required

    The following equipment is required to calibrate the analyzer: Zero gas generator Gas phase titrator Zero Gas Generator A zero air source, such as a Thermo Scientific 111iQ Zero Air Supply, free of contaminants such as NO, NO , and O is required for dilution, calibration, and gas phase titration.

  • Page 155: Scrubbing

    Hydrocarbons Molecular Sieve (4A), Activated Charcoal and NO Activated Charcoal Gas Phase Titrator A gas phase titrator (GPT), such as is included in the Thermo Scientific 146iQ Multi-gas Calibrator, is used to generate NO concentrations from NO concentrations. Figure 4–1 shows the suggested placement of the component parts of a gas phase titration apparatus.

  • Page 156: Ozone Generator

    The reaction chamber used for the reaction of ozone with excess NO should have sufficient volume so that the residence time meets the requirements specified in this chapter. Mixing Chamber The mixing chamber is used to provide thorough mixing of the reaction products and diluent air. 42iQD Instruction Manual Thermo Scientific...

  • Page 157: Output Manifold

    Use the following procedure to calculate the NO concentration standard Against a NIST-traceable NO and NO impurity. Standard 1. Generate several NO concentrations by dilution of the NO working standard. 2. Use the nominal NO concentration, [NO] , to calculate the diluted concentrations. Thermo Scientific 42iQD Instruction Manual...

  • Page 158: Zero Air

    [NO] Concentration of the undiluted NO standard, ppm NO flow rate, sccm generator air flow rate, sccm Volume of the reaction chamber, cc Analyzer demand plus 10 to 50% excess 42iQD Instruction Manual Thermo Scientific...
  • Page 159 3. Determine F 4. Select a convenient or available reaction chamber volume. Initially a trial volume may be selected in the range of 200 to 500 cc. 5. Compute F 2.75 6. Compute t Thermo Scientific 42iQD Instruction Manual...

  • Page 160: Pre-Calibration

    F Pre-Calibration Perform the following pre-calibration procedure before calibrating the 42iQD. For detailed information about the menu parameters and the icons used in these procedures, see the “Operation” chapter. Note The calibration and calibration check duration times should be long enough to account for the transition (purge) process when switching from sample to zero and from zero to span.

  • Page 161: Calibration

    The instrument should give identical responses to the test gases whether they are introduced via the SAMPLE port or the ZERO IN or SPAN ports. If not, the plumbing and/or valves should be serviced. Thermo Scientific 42iQD Instruction Manual...

  • Page 162: Connect Gpt Apparatus To The Analyzer

    The background signal is the combination of electrical offsets, PMT dark current, and trace substances undergoing chemiluminescence. For more detailed information, see “Calibrate NOx Background” in the “Operation” chapter. Use the following procedure to set the NO background to zero. 4-10 42iQD Instruction Manual Thermo Scientific...
  • Page 163 “Dynamic Parameter Specifications for Gas Titrator” earlier in this chapter. The total GPT airflow must exceed the total demand of the analyzer. The 42iQD requires approximately 700 cc/min of sample flow, and a total GPT airflow of at least 1.5 liters/min is recommended.

  • Page 164: Calibrate The No X Channel To The No X Calibration Gas

    Use the following procedures to prepare the NO calibration curves. Calibration Curves 1. Generate several additional NO concentrations by decreasing F increasing F 2. For each concentration generated, calculate the exact NO concentrations using the above equations for [NO 4-12 42iQD Instruction Manual Thermo Scientific...

  • Page 165: Alternative Calibration Procedure Using No Permeation Tube

    A high concentration of NO in air is precisely diluted to the concentration range required. The Thermo Scientific 146iQ Multi-gas Calibrator is one such system for precision dilution. Permeation Tube System Permeation tube systems which precisely maintain a set temperature to within ±0.1 °C and hold a zero air flow rate to within ±0.5% can be used...

  • Page 166: Figure 4-2. Permeation Tube System

    = NO output concentration in ppm P = permeation rate in µg/min = total flow rate of gas after mixing chamber (F ) in liters/minute K (NO ) = 0.382 constant for NO permeant 4-14 42iQD Instruction Manual Thermo Scientific...

  • Page 167: Calibration In Dual Range And Auto Range Mode

    4. After the response is stabilized, from the Home Screen, choose Calibration>Calibrate Backgrounds>Calibrate NO Background. The Target NO Concentration button will read 0.000. The Calculated Background button will display the background needed to make the current NO concentration go to 0.000. 4-15 Thermo Scientific 42iQD Instruction Manual...

  • Page 168: Calibrate No Low

    NO calibration gas concentration plus any known NO impurity. 3. Enter the NO calibration gas concentration using the pushbuttons, and then press Calibrate to calculate and save the new high range NO span coefficient based on the entered span coefficient. 4-16 42iQD Instruction Manual Thermo Scientific...

  • Page 169: Zero And Span Check

    Use the following procedure to perform a zero and span check. 1. Connect the zero gas to the SAMPLE bulkhead in a standard instrument or to the ZERO IN bulkhead in a 42iQD equipped with the zero/span and sample solenoid valve option.

  • Page 170: Manual Calibration

    As such, the instrument should sample zero air until stable readings are obtained. The button labeled Adjust NO Background allows the user to change zero background. The second button called Adjusted NO Concentration shows 4-18 42iQD Instruction Manual Thermo Scientific...

  • Page 171: Adjust Span Coefficient

    Concentration shows what the new concentration would be based on the adjusted span coefficient. Press the Calibrate button to save the adjusted span coefficient value. Home Screen>Calibration>Advanced Calibration>Manual Calibration>Adjust Span Coefficients>Adjust NO Span Coefficient (single range mode) 4-19 Thermo Scientific 42iQD Instruction Manual...
  • Page 172 Coefficient (dual or auto range mode) Reset Bkg to 0.000 The Reset Bkg to 0.000 and Span Coef to 1.000 screen allows the user to reset the calibration configuration values to factory defaults. and Span Coef to 1.000 4-20 42iQD Instruction Manual Thermo Scientific...

  • Page 173: Zero/Span Schedule

    The Span and Purge Duration buttons look and function the Duration Minutes same way as the zero duration button. The span duration button is used to set how long the span gas is sampled by the instrument. The purge Thermo Scientific 42iQD Instruction Manual 4-21...

  • Page 174: Schedule Averaging Time

    1, a span duration will follow every zero duration. If this value is set to 3, there will be two zero checks between each span check. This value may be set from 1 to 99, with 1 as default. 4-22 42iQD Instruction Manual Thermo Scientific...

  • Page 175: Chapter 5 Maintenance

    2. Flush the filter with warm water and let dry (a clean, oil-free purge will help the drying process) or blow the filter clean with compressed air. 3. Re-install the filter and fan guard. 42iQD Instruction Manual 5-1 Thermo Scientific...

  • Page 176: Thermoelectric Cooler Fins Inspection And Cleaning

    3. Blow off the cooler fins using clean pressurized air. It may be more convenient to vacuum the cooler fins. In either case, make sure that particulate accumulation between the fins has been removed. 4. If necessary, use a small brush to remove residual particulate accumulation. 42iQD Instruction Manual Thermo Scientific...

  • Page 177: Capillaries Inspection And Replacement

    Use the following procedure to inspect and replace the capillaries. This procedure can be used to check any or all of the capillaries. 1. Turn instrument OFF, unplug power cord and remove the cover (Figure 2–1). Figure 5–1. Inspecting and Replacing the Capillaries Thermo Scientific 42iQD Instruction Manual...
  • Page 178 7. Reconnect tubing to top of fittings, being careful to insert ferrule and o-ring properly, and tighten knurled nut finger tight. 8. Re-install the cover. 9. Connect the power cord and turn the instrument ON. 42iQD Instruction Manual Thermo Scientific...

  • Page 179: Pump Rebuilding

    3. One of the aluminum compressor housing covers must be removed to gain access to the inside of the compressor housing. Remove the four Thermo Scientific 42iQD Instruction Manual...
  • Page 180 Spin the diaphragm on until it is snug. Lift and grip the edges of the diaphragm at 7 and 2 o’clock and tighten firmly using both hands. DO NOT use tools! 42iQD Instruction Manual Thermo Scientific...
  • Page 181 Do not substitute any other type of tape. Do not over-tighten metal fittings. 7. Install the tubing and their connection fittings as previously sketched in “Disassembly” step 1 above. Thermo Scientific 42iQD Instruction Manual...

  • Page 182: Figure 5-3. Pump Rebuilding

    Maintenance Pump Rebuilding Figure 5–3. Pump Rebuilding 42iQD Instruction Manual Thermo Scientific...

  • Page 183: Leak Test

    6. Squeeze trigger until gauge reads to pull in 10 in Hg. 7. Observe vacuum gauge for stable reading for 10 minutes. If reading remains at 10 in Hg, no leak is present. Note Acceptable leak rate is .5 in Hg over 10 minutes. Thermo Scientific 42iQD Instruction Manual...

  • Page 185: Chapter 6 Troubleshooting

    Guide experience an instrument problem. It also lists 42iQD specific troubleshooting information and alarm messages you may see on the graphics display and provides recommendations about how to resolve the alarm condition.
  • Page 186 Unplug power cord. Clean or replace capillary. Clogged sample air Replace filter element. filter Excessive noise Defective or low Unplug power cord. Remove PMT. sensitivity PMT Install known good PMT. Plug in power cord. Check performance. 42iQD Instruction Manual Thermo Scientific...
  • Page 187 If not, the heater may have failed. Check that converter temperature set point is approximately 325 °C. Alarm – Pressure High pressure Check plumbing for leaks. indication Check the pump for a tear in the diaphragm. Replace if needed. Thermo Scientific 42iQD Instruction Manual...
  • Page 188 Alarm – Module Cable connection Check that DMC cable is connected Temperature properly. Reseat if needed. Other alarm Make sure the instrument temperature is not too high or in alarm. Defective DMC PCB Replace DMC board. 42iQD Instruction Manual Thermo Scientific...
  • Page 189 Replace DMC board as needed. Alarm – Cooler Current too Defective cooler Replace cooler as needed. High Defective DMC board Replace DMC board as needed. Alarm – Cooler Voltage too Defective cooler Replace cooler as needed. Thermo Scientific 42iQD Instruction Manual...
  • Page 190 Replace DMC board as needed. Alarm – Frequency too Low Input board is out of Recalibrate the Input board. calibration Alarm – Frequency too High Input board is out of Recalibrate the Input board. calibration 42iQD Instruction Manual Thermo Scientific...

  • Page 191: Chapter 7 Servicing

    Chapter 7 Servicing This chapter describes the periodic servicing procedures that should be performed on the instrument to ensure proper operation and explains how to replace the 42iQD subassemblies. Safety Read the safety precautions before beginning any procedures in this chapter.

  • Page 192: Figure 7-1. Properly Grounded Antistatic Wrist Strap

    When the instrument is unplugged, the chassis is not at earth ground. Figure 7–1. Properly Grounded Antistatic Wrist Strap Note Ground to unpainted case or outlet as shown. 42iQD Instruction Manual Thermo Scientific...

  • Page 193: Firmware Updates

    For more information on installing new firmware, see “Installing New Firmware” in the iQ Series Communications manual. Replacement For a complete list of spare parts, visit the company website at: Parts List www.thermofisher.com/42iQD Refer to Figure 7–2 Figure 7–3 to identify the component location. Thermo Scientific 42iQD Instruction Manual...

  • Page 194: Figure 7-2. 42Iqd Component Layout Top View

    Servicing Replacement Parts List Figure 7–2. 42iQD Component Layout Top View Figure 7–3. 42iQD Component Layout Side View 42iQD Instruction Manual Thermo Scientific...

  • Page 195: Fuse Replacement

    1. Turn instrument OFF and unplug the power cord. 2. Remove fuse drawer, located on the AC power connector. 3. If either fuse is blown, replace both fuses. 4. Insert fuse drawer and reconnect power cord. Figure 7–4. Replacing the Fuses Thermo Scientific 42iQD Instruction Manual...

  • Page 196: Filter Replacement

    2. Starting with top right corner, pull out to remove fan cover. Figure 7–5. Start with Top Right Corner of Fan Cover 3. Replace filter and snap fan cover back in place. Figure 7–6. Removing the Fan Cover 42iQD Instruction Manual Thermo Scientific...

  • Page 197: Fan Replacement

    3. Starting with top right corner, pull out to remove fan cover. 4. Unhook the four latches of the fan cover. 5. Unfasten the four 6-32 screws from the fan housing. 6. Replace fan and reassemble in reverse order. Thermo Scientific 42iQD Instruction Manual...

  • Page 198: Figure 7-8. Replacing The Fan

    Servicing Fan Replacement Figure 7–8. Replacing the Fan 42iQD Instruction Manual Thermo Scientific...

  • Page 199: Measurement Side Removal And Replacing

    Phillips drive, #2 1. Turn instrument OFF, unplug power cord, and remove the cover (Figure 2–1). 2. Unplug the fan cable J18 (Figure 7–9). Figure 7–9. Unplugging the Fan Cable 3. Unplug DMC cable (Figure 7–10). Thermo Scientific 42iQD Instruction Manual...

  • Page 200: Figure 7-10. Unplugging The Dmc Cable

    Figure 7–10. Unplugging the DMC Cable 4. Gripping from the top corners of the front panel and pull outwards. 5. Remove three 8-32 flat head screws (Figure 7–11). Figure 7–11. Unfasten Hardware Front for Measurement Side Removal 7-10 42iQD Instruction Manual Thermo Scientific...

  • Page 201: Figure 7-12. Unfasten Hardware Rear For Measurement Side Removal

    6. Swing arm open. 7. Unfasten captive hardware. 8. Remove two 8-32 flat head screws. 9. Pull measurement side out. 10. Replace and reassemble in reverse order. Figure 7–12. Unfasten Hardware Rear for Measurement Side Removal 7-11 Thermo Scientific 42iQD Instruction Manual...

  • Page 202: Lcd Module Replacement

    2. Gripping from the top corners of the front panel and pull outwards. 3. Unfasten four nuts (Figure 7–13). Figure 7–13. Replacing the LCD Module 4. Remove cover. 5. Unplug LCD cables from backside of board. 6. Pull board off the standoffs. 7-12 42iQD Instruction Manual Thermo Scientific...

  • Page 203: Figure 7-14. Remove Electrical Cables From Lcd

    Servicing LCD Module Replacement Figure 7–14. Remove Electrical Cables from LCD 7. Replace LCD module and reassemble in reverse order. 7-13 Thermo Scientific 42iQD Instruction Manual...

  • Page 204: I/O Replacement

    Use the following procedure to replace the I/O boards. 1. Turn instrument OFF, unplug power cord, and remove the cover (Figure 2–1). 2. Swing arm open. Figure 7–15. I/O Replacement, Arm 3. Pull board upwards. Figure 7–16. I/O Replacement, Remove Board 7-14 42iQD Instruction Manual Thermo Scientific...

  • Page 205: Figure 7-17. I/O Replacement, Install

    4. During install, make sure to align cutout circular to keyway. 5. Insert board downwards. Figure 7–17. I/O Replacement, Install 6. Close arm. Make sure expansion bracket aligns to the inside of the rectangular cutouts. Figure 7–18. I/O Replacement, Close Arm Alignment 7-15 Thermo Scientific 42iQD Instruction Manual...

  • Page 206: Peripherals Support Board And System Controller Board Replacement

    Controller Board (Figure 2–1). Replacement 2. Pull tab out (two per board). 3. Pull board out. Figure 7–19. Replacing the Peripherals Support or System Controller Board 4. Replace board and reassemble in reverse order. 7-16 42iQD Instruction Manual Thermo Scientific...

  • Page 207: Dmc Pressure And Flow Board

    (Figure 2–1). 2. Unplug cables from the pressure and flow board. Figure 7–20. Flow Pressure Board, Disconnect DMC Cable 3. Disconnect plumbing. 4. Using 7/16 hex drive, unfasten four #6-32 socket cap head screws. 7-17 Thermo Scientific 42iQD Instruction Manual...

  • Page 208: Figure 7-21. Flow Pressure Board, Screws

    Servicing DMC Pressure and Flow Board Figure 7–21. Flow Pressure Board, Screws 5. Replace board and reassemble in reverse order. 7-18 42iQD Instruction Manual Thermo Scientific...

  • Page 209: Pump Replacement

    4. Unfasten two captive hardware. 5. Slide pump right until keyway meets opening. Figure 7–22. Remove Pump, Disconnect and Unfasten 6. Pull pump outwards. Note When installing pump, make sure the pump keyway opening goes over the keyway. 7-19 Thermo Scientific 42iQD Instruction Manual...

  • Page 210: Figure 7-23. Pump Removal, Keyway

    Servicing Pump Replacement Figure 7–23. Pump Removal, Keyway 7. Remove two screws. Figure 7–24. Pump replacing, Unfasten Screws 8. Replace pump and reassemble in reverse order. 7-20 42iQD Instruction Manual Thermo Scientific...

  • Page 211: Power Supply Replacement

    3. Unfasten captive hardware. 4. Slide power supply left, clearing three case floor plate keyways. Figure 7–25. Removing Power Supply 5. Pull power supply up. 6. Replace power supply and reassemble in reverse order. 7-21 Thermo Scientific 42iQD Instruction Manual...

  • Page 212: Figure 7-26. Replacing Power Supply

    Servicing Power Supply Replacement Figure 7–26. Replacing Power Supply 7-22 42iQD Instruction Manual Thermo Scientific...

  • Page 213: Step Pol Board Replacement

    1. Turn instrument OFF, unplug power cord, and remove the cover (Figure 2–1). 2. Unplug Step POL power cable J4. 3. Unplug Step POL signal cable J2. 4. Unplug pump cable J7. 5. Unfasten captive hardware. Figure 7–27. Unplug and Unfasten Step POL Board 7-23 Thermo Scientific 42iQD Instruction Manual...

  • Page 214: Figure 7-28. Clear Partition Keyway Step Pol Board

    7–29). If replacing optional step board 2, make sure switch 1 is pointed towards ON and switch 2 is pointed away from ON (Figure 7–29). 8. Replace Step POL board and reassemble in reverse order. 7-24 42iQD Instruction Manual Thermo Scientific...

  • Page 215: Figure 7-29. Step Pol Board 1 Switch Settings

    Servicing Step POL Board Replacement Figure 7–29. Step POL Board 1 Switch Settings Figure 7–30. Step POL Board 2 Switch Settings 7-25 Thermo Scientific 42iQD Instruction Manual...

  • Page 216: Dmc Pmt Cooler And Reaction Chamber Replacement

    Make sure the PMT has cooled down before touching. 2. Unhook plumbing by pulling loop downwards and unhook tubing. 3. Using a #2 Phillips drive, unfasten two 6-32 flat head screws. 4. Pull shroud outwards. 7-26 42iQD Instruction Manual Thermo Scientific...

  • Page 217: Figure 7-31. Remove Pmt Cooler Shroud

    5. Unplug J3, J1, and J6 (fan). 6. Disconnect all plumbing depending on the options. Configuration plumbing connections will vary. 7. Using #2 Phillips drive, unfasten four captive hardware. 8. Pull PMT cooler upwards. 7-27 Thermo Scientific 42iQD Instruction Manual...

  • Page 218: Pmt Cooler Board Replacement

    2. Remove DMC Converter as described in “PMT Cooler Shroud Removal” in this chapter. 3. Unplug all electrical connections from the board. 4. Using a #2 Phillips drive, unfasten six #6-32 pan head screws. 5. Pull board outwards. 7-28 42iQD Instruction Manual Thermo Scientific...

  • Page 219: Figure 7-33. Remove Pmt Cooler Board

    Servicing DMC PMT Cooler and Reaction Chamber Replacement Figure 7–33. Remove PMT Cooler Board Thermo Scientific 42iQD Instruction Manual 7-29...

  • Page 220: Reaction Chamber Cleaning And/Or Removal

    Removal” in this chapter. 3. Unplug heater J8 from board. Figure 7–34. Photo Reaction Chamber Cleaning, Electrical 4. Disconnect plumbing as shown. 5. Using a 9/64-inch hex drive, unfasten three #8-32 socket cap head screws. 7-30 42iQD Instruction Manual Thermo Scientific...

  • Page 221: Figure 7-35. Photo Reaction Chamber Cleaning, Hardware

    7. To reinstall reaction chamber, follow previous steps in reverse, making sure to back fill the cooler with dry air or nitrogen prior to installing reaction chamber. 8. Reinstall the measurement bench. Refer to Figure 7–34 Figure 7– 7-31 Thermo Scientific 42iQD Instruction Manual...

  • Page 222: Figure 7-36. Photo Reaction Chamber Cleaning, Window

    Servicing DMC PMT Cooler and Reaction Chamber Replacement Figure 7–36. Photo Reaction Chamber Cleaning, Window 7-32 42iQD Instruction Manual Thermo Scientific...

  • Page 223: Photomultiplier Tube (Pmt) Replacement

    3. Using a flat head screwdriver, wedge out of top right corner starting point, labeled 1 (Figure 7–38). 4. Continue to wedge out the four midpoints of the plate to remove the snap on access panel, labeled 2 (Figure 7–39). 7-33 Thermo Scientific 42iQD Instruction Manual...

  • Page 224: Figure 7-38. Removing The Access Panel, Starting Point

    Servicing DMC PMT Cooler and Reaction Chamber Replacement Figure 7–38. Removing the Access Panel, Starting Point 5. Pull access cover out. Figure 7–39. Access Cover 7-34 42iQD Instruction Manual Thermo Scientific...

  • Page 225: Figure 7-40. Pmt Tube Replace-Screws

    8. To install PMT, follow previous steps in reverse order making sure to backfill the cooler with dry air or nitrogen prior to replacing the PMT. 9. Perform a PMT calibration as described on page 3-78. 7-35 Thermo Scientific 42iQD Instruction Manual...

  • Page 226: Dmc Converter Replacement

    3. Disconnect all plumbing 8X. Note The amount of connections will vary depending on the different options installed. 4. Using a #2 Phillips drive, unfasten captive hardware 4X. Figure 7–41. Converter DMC Assembly Remove 7-36 42iQD Instruction Manual Thermo Scientific...

  • Page 227: Converter Assembly Board Replacement

    4. Using a #2 Phillips drive, unfasten four 6-32 pan head screws. Figure 7–42. Converter Assembly Remove bd 5. Pull converter assembly board outwards. 6. Replace converter assembly board and assemble in reverse order. 7-37 Thermo Scientific 42iQD Instruction Manual...

  • Page 228: Converter Cartridge Heater Replacement

    8. To replace converter, follow previous steps in reverse. Note be sure to wrap the O converter tube snugly around the heater. 9. Reinstall in reverse order. 7-38 42iQD Instruction Manual Thermo Scientific...

  • Page 229: Figure 7-43. Converter Assembly Replace Heater

    Servicing DMC Converter Replacement Figure 7–43. Converter Assembly Replace Heater Thermo Scientific 42iQD Instruction Manual 7-39...

  • Page 230: Dmc Ozonator

    Equipment Required: Removal Phillips drive, #2 1. Turn the instrument OFF, unplug the power cord, and remove the cover (Figure 2–1). 2. Unplug converter DMC (J2) and flow pressure board (J4). Figure 7–44. HVPS, Electrical 7-40 42iQD Instruction Manual Thermo Scientific...

  • Page 231: Ozonator Replacement

    Figure 7–45. HVPS Remove Ozonator Use the following procedure to replace the ozonator. Replacement 1. Unplug ozonator (J1). 2. Disconnect plumbing 2X. 3. Ozonator—using a #2 Phillips drive, unfasten two #6-32 pan head screws. 7-41 Thermo Scientific 42iQD Instruction Manual...

  • Page 232: Transformer Replacement

    Servicing DMC Ozonator Figure 7–46. Replace Ozonator Transformer Use the following procedure to replace the transformer. Replacement 1. Ozonator transformer—using a #2 Phillips drive, unfasten four #6-32 pan head screws. 7-42 42iQD Instruction Manual Thermo Scientific...

  • Page 233: Figure 7-47. Replace Transformer

    Ozonator” in this chapter. 2. Unplug all electrical from HPVS board, ozonator (J1), flow switch (J5) converter DMC (J2) and flow pressure board (J4). 3. Using a #2 Phillips drive, unfasten four #6-32 pan head screws. 7-43 Thermo Scientific 42iQD Instruction Manual...

  • Page 234: Flow Switch Replacement

    Replacement Equipment Required: Phillips drive, #2 1. Remove Ozonator as described in “DMC Ozonator” in this chapter. 2. Unplug flow switch (J5) from board. 3. Pull flow switch off clip after unplugging from board. 7-44 42iQD Instruction Manual Thermo Scientific...

  • Page 235: Figure 7-49. Flow Switch Remove

    Servicing DMC Ozonator Figure 7–49. Flow Switch Remove 7-45 Thermo Scientific 42iQD Instruction Manual...

  • Page 236: Optional Manifold Replacement

    2. Unplug three electrical connections (J5, J6, and J8) from the Step POL board 1. Figure 7–50. Replacing the Manifold pt 1 3. Unfasten three nuts. Remove the nuts, front and back ferrules as shown from span, zero in, sample back panel (Figure 7–51). 7-46 42iQD Instruction Manual Thermo Scientific...
  • Page 237 Figure 7–51. Replacing the Manifold pt 2 4. Disconnect tubing. 5. Using a 9/64 hex drive, unfasten four #8-32 socket cap head screws. Figure 7–52. Replacing the Manifold pt 3 6. Replace the manifold and assemble in reverse order. Thermo Scientific 42iQD Instruction Manual 7-47...

  • Page 239: Chapter 8 System Description

    Chapter 8 System Description The 42iQD deploys a set of modular subsystems that comprise the total instrument function. The core measurements for concentration are contained in Distributed Measurement and Control (DMC) modules. This chapter describes the function and location of the system components in the module framework, including firmware, electronics, and I/O function.

  • Page 240: Reaction Chamber Dmc

    If airflow stops, the flow sensor breaks the electrical circuit to the ozonator and shuts it off to prevent the ozonator from overheating. 42iQD Instruction Manual Thermo Scientific...

  • Page 241: Ozonator Permeation Dryer

    Converter housing, heater, replaceable cartridge, and a type K thermocouple sensor. Common The common electronics contain the core computational and power routing hardware for the 42iQD, and is replicated throughout other iQ Electronics series products (Figure 8–1). It also contains front panel display, the USB ports, the Ethernet port, and the optional I/O interfaces (RS-485, analog, and digital).

  • Page 242: Figure 8-1. Common System Interconnect Diagram

    System Description Common Electronics Figure 8–1. Common System Interconnect Diagram 42iQD Instruction Manual Thermo Scientific...

  • Page 243: Figure 8-2. 42Iqd System Interconnect Diagram

    System Description Common Electronics Figure 8–2. 42iQD System Interconnect Diagram Thermo Scientific 42iQD Instruction Manual...

  • Page 244: Power Supply

    All electronics operate from a universal VDC supply, which is capable of auto-sensing the input voltage and working over all specified operating ranges. The 42iQD contains a 24 VDC channel for most electronics operation, including the pump and fan, and a 48 VDC channel dedicated specifically for optical bench heating.

  • Page 245: Peripherals Support System

    Upstream pressure is ambient, while downstream pressure allows determination of flow. A single PCBA with microprocessor provides the active controls for the pressure measurements, performs flow determination, and generates registers that interact with the higher level system controls. Thermo Scientific 42iQD Instruction Manual...

  • Page 246: Firmware

    SNMP registers, some of which is interfaced with the front panel Graphical User Interface (GUI). In addition to the operating registers, the 42iQD stores a historical data log in a MySQL database. The memory is provided on the same micro SD card where the operating software resides, for which there is capability to store up to a year of data at 1 minute intervals.

  • Page 247: Chapter 9 Optional Equipment

    Chapter 9 Optional Equipment The 42iQD is available with the following options: Connecting Several components are available for connecting external devices. External Devices These connection options consist of three plug-in boards: Communication Board Analog I/O Board Digital I/O Board Figure 9–1. I/O Expansion Replacement Boards...

  • Page 248: Communication Board

    RS-232 or RS-485 communication. Figure 9–2. RS-232/RS-485 Port Table 9–1. RS-232/RS-485 Port Terminal Assignment Terminal Number Signal Name No Connect RX/RS485_RX_P TX/RS485_TX_N No Connect No Connect RTS/RS485_TX_P CTS/RS485_RX_N No Connect 42iQD Instruction Manual Thermo Scientific...

  • Page 249: Figure 9-3. Rs-485 External Accessory Port

    Table 9–2. RS-485 External Accessory Port Terminal Assignment Terminal Number Signal Name EXT_RS485_RX_N EXT_RS485_RX_P +5V (Fused @0.4A) +5V (Fused @0.4A) +5V (Fused @0.4A) EXT_RS485_TX_N EXT_RS485_TX_P +24V (Fused @0.4A) +24V (Fused @0.4A) +24V (Fused @0.4A) +24V (Fused @0.4A) +24V (Fused @0.4A) Thermo Scientific 42iQD Instruction Manual...

  • Page 250: Analog I/O Board

    Figure 9–4. Analog Voltage Inputs Table 9–3. Analog Voltage Inputs Assignment Terminal Number Signal Name Analog In 1 Analog GND Analog In 2 Analog GND Analog In 3 Analog GND Analog In 4 Analog GND 42iQD Instruction Manual Thermo Scientific...

  • Page 251: Analog Voltage Outputs

    Current Output is 1000 Ω. All Voltage Outputs and Current Outputs are continuously monitored separately for accuracy. The Analog Outputs may be used to control and report parameters pertinent to the analyzers’ measured functions. Figure 9–5. Analog Voltage and Current Thermo Scientific 42iQD Instruction Manual...

  • Page 252: Table 9-4. Analog Voltage And Current Assignment

    Note When calibrating the current output when using the 0-20 mA scale, the low level will be set to 4 mA due to the inability to adjust the actual current output to below zero. Calibrate the output channel full scale. 42iQD Instruction Manual Thermo Scientific...

  • Page 253: Analog Output Zero Calibration

    2. Depending on the output type being used, select either Analog Out Zero Calibration (Voltage) or Analog Out 4.000 mA Calibration (Current). 3. A confirmation screen is presented. Select Continue to proceed with the calibration or Return to Previous Screen. Thermo Scientific 42iQD Instruction Manual...
  • Page 254 6. After making changes to the output levels, the commit button will turn green. To accept the changes, press the Commit button. To revert to the previous values, press the back button to return to the previous analog output calibration screen. 42iQD Instruction Manual Thermo Scientific...

  • Page 255: Analog Output Full Scale Calibration

    2. Depending on the output type being used, select either Analog Out Full Scale Calibration (Voltage) or Analog Out 20.000 mA Calibration (Current). 3. A confirmation screen is presented. Select Continue to proceed with the calibration or Return to Previous Screen. Thermo Scientific 42iQD Instruction Manual...
  • Page 256 6. After making changes to the output levels, the commit button will turn green. To accept the changes, press the Commit button. To revert to the previous values, press the back button to return to the previous analog output calibration screen. 9-10 42iQD Instruction Manual Thermo Scientific...

  • Page 257: Digital I/O Board

    The active state can be user defined in firmware. Logic Low Threshold: 0.8 V Logic High Threshold: 2.0 V Absolute allowable input voltages: -0.5 to 5.5 V Figure 9–6. Digital Inputs 9-11 Thermo Scientific 42iQD Instruction Manual...

  • Page 258: Table 9-5. Digital Inputs Terminal Assignment

    Digital In 6 Digital In 7 Digital In 8 Digital In 9 Digital In 10 Digital In 11 Digital In 12 Digital In 13 Digital In 14 Digital In 15 Digital In 16 COMMON 9-12 42iQD Instruction Manual Thermo Scientific...

  • Page 259: Figure 9-7. Digital Relay Switches

    Optional Equipment Connecting External Devices Digital Relay Switches Table 9–6 lists the digital relay switches. Maximum Voltage: 300 VDC Maximum Current: 500 mA Fuse: 800 mA Figure 9–7. Digital Relay Switches 9-13 Thermo Scientific 42iQD Instruction Manual...

  • Page 260: Table 9-6. Digital Relay Switch Assignment

    Relay 2B Relay 3A Relay 3B Relay 4A Relay 4B Relay 5A Relay 5B Relay 6A Relay 6B Relay 7A Relay 7B Relay 8A Relay 8B Relay 9A Relay 9B Relay 10A Relay 10B 9-14 42iQD Instruction Manual Thermo Scientific...

  • Page 261: Figure 9-8. Valve Driver Outputs

    Actual Output Voltage: 22−24 VDC Maximum Current: 300 mA Both positive and negative outputs are protected from over voltage and over current by 500 mA fuses. Figure 9–8. Valve Driver Outputs 9-15 Thermo Scientific 42iQD Instruction Manual...

  • Page 262: Table 9-7. Valve Driver Outputs Assignment

    Valve Drive 6- Valve Drive 7+ Valve Drive 7- Valve Drive 8+ Valve Drive 8- Note Intended for 24 V valves. These outputs will also drive any DC load of 22−24 VDC, up to 300 mA. 9-16 42iQD Instruction Manual Thermo Scientific...

  • Page 263: Internal Zero/Span And Sample Valves

    It may be necessary to use an atmospheric dump bypass plumbing arrangement to accomplish this. For more information, refer to the “Installation and Setup” chapter and the “Operation” chapter. Figure 9–9. Flow Diagram, Zero/Span Option Thermo Scientific 42iQD Instruction Manual 9-17...

  • Page 264: Ptfe Particulate Filter

    PTFE Particulate Filter PTFE Particulate A 5-10 micron pore size, two-inch diameter PTFE element is available for the 42iQD. This filter should be installed just prior to the Filter SAMPLE bulkhead. When using a filter, all calibrations and span checks must be performed through the filter.

  • Page 265: Appendix A Safety, Warranty, And Weee

    • The service procedures in this manual are restricted to qualified service personnel only. Equipment Damage Do not attempt to lift the analyzer by the cover or other external fittings. This adjustment should only be performed by an instrument service technician. Thermo Scientific 42iQD Instruction Manual...

  • Page 266: Warranty

    Products for which Buyer has requested warranty services are not covered by the warranty hereunder, Buyer shall pay or reimburse Seller for all costs of investigating and responding to such request at Seller's then 42iQD Instruction Manual Thermo Scientific...
  • Page 267 OR WRITTEN, WITH RESPECT TO THE PRODUCTS, INCLUDING WITHOUT LIMITATION ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. SELLER DOES NOT WARRANT THAT THE PRODUCTS ARE ERROR-FREE OR WILL ACCOMPLISH ANY PARTICULAR RESULT. Thermo Scientific 42iQD Instruction Manual...

  • Page 268: Weee Compliance

    Symbol Description Marking of electrical and electronic equipment which applies to electrical and electronic equipment falling under the Directive 2002/96/EC (WEEE) and the equipment that has been put on the market after 13 August 2005. 42iQD Instruction Manual Thermo Scientific...
  • Page 269 Figure 1–1. 42iQD Front ..................1-2 Figure 1–2. 42iQD Flow Schematic ..............1-4 Figure 1–3. 42iQD Flow Schematic with Zero Span .......... 1-4 Figure 1–4. Bench Mount Assembly (dimensions in inches [mm]) ....1-6 Figure 1–5. Rack Mount Assembly (dimensions in inches [mm]) ...... 1-7 Figure 1–6.
  • Page 270 Figure 7–50. Replacing the Manifold pt 1 ............7-46 Figure 7–51. Replacing the Manifold pt 2 ............7-47 Figure 7–52. Replacing the Manifold pt 3 ............7-47 Figure 8–1. Common System Interconnect Diagram .......... 8-4 42iQD Instruction Manual Thermo Scientific...
  • Page 271 Quick Reference List of Tables Figure 8–2. 42iQD System Interconnect Diagram ..........8-5 Figure 9–1. I/O Expansion Replacement Boards ..........9-1 Figure 9–2. RS-232/RS-485 Port................. 9-2 Figure 9–3. RS-485 External Accessory Port ............9-3 Figure 9–4. Analog Voltage Inputs ..............9-4 Figure 9–5.
  • Page 273 Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software (and charge for this service if you wish); that you receive source code or can get it if you want it; Thermo Scientific 42iQD Instruction Manual...
  • Page 274 We call this license the "Lesser" General Public License because it does Less to protect the user's freedom than the ordinary General Public License. It also provides other free software developers Less of an advantage over competing non-free programs. These disadvantages are the reason we use 42iQD Instruction Manual Thermo Scientific...
  • Page 275 Library or any derivative work under copyright law: that is to say, a work containing the Library or a portion of it, either verbatim or with modifications and/or translated straightforwardly into another language. (Hereinafter, translation is included without limitation in the term "modification".) Thermo Scientific 42iQD Instruction Manual...
  • Page 276 Therefore, Subsection 2d requires that any application-supplied function or table used by this function must be optional: if the application does not supply it, the square root function must still compute square roots.) 42iQD Instruction Manual Thermo Scientific...
  • Page 277 5. A program that contains no derivative of any portion of the Library, but is designed to work with the Library by being compiled or linked with it, is Thermo Scientific 42iQD Instruction Manual...
  • Page 278 Library, with the complete machine-readable "work that uses the Library", as object code and/or source code, so that the user can modify the Library and then relink to produce a modified executable containing the modified Library. (It is 42iQD Instruction Manual Thermo Scientific...
  • Page 279 Give prominent notice with the combined library of the fact that part of it is a work based on the Library, and explaining where to find the accompanying uncombined form of the same work. Thermo Scientific 42iQD Instruction Manual...
  • Page 280 42iQD Instruction Manual Thermo Scientific...
  • Page 281 SHOULD THE LIBRARY PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 16. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR Thermo Scientific 42iQD Instruction Manual...
  • Page 282 You should also get your employer (if you work as a programmer) or your school, if any, to sign a "copyright disclaimer" for the library, if necessary. Here is a sample; alter the names: C-10 42iQD Instruction Manual Thermo Scientific...
  • Page 283 (iii) accessors; and (iv) small macros, templates and inline functions of five lines or less in length. Furthermore, you are not required to apply this additional permission to a modified version of the Library. C-11 Thermo Scientific 42iQD Instruction Manual...
  • Page 286 Beijing, China 100013 Fax: +44 1606 548711 Ph: +86 10 84193588 orders.aqi@thermofisher.com india@thermofisher.com sales.epm.uk@thermofisher.com info.eid.china@thermofisher.com Find out more at thermofisher.com/42iQD © 2018 Thermo Fisher Scientific Inc. All trademarks are the property of Thermo Fisher Scientific and its subsidiaries unless otherwise specified. EPM_119013-00...