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ACOEM Serinus 44 User Manual

No/no2/nox/nh3 analyser
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Serinus 44
NO/NO2/NOx/NH3
Analyser
Version 1.0

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  • Page 1 Serinus 44 NO/NO2/NOx/NH3 Analyser Version 1.0...
  • Page 2 Ecotech Pty Ltd is now part of the Acoem Group and as such, the branding of our instruments & software has also changed to ‘Acoem’. Over time we will be updating the content of all documents to reflect the Acoem branding convention.
  • Page 3 If, after reading this manual you have any questions or you are still unsure or unclear on any part of the Serinus 44 then please do not hesitate to contact Acoem or your local Acoem distributor.
  • Page 4  To reduce the risk of personal injury caused by electrical shock, follow all safety notices and warnings in this documentation.  If the equipment is used for purposes not specified by Acoem, the protection provided by this equipment may be impaired.
  • Page 5 To ensure that we process your factory repairs and returned goods efficiently and expeditiously, we need your help. Before you ship any equipment to our factory, please call your local Acoem service response centre (or distributor) to obtain a return authorisation number.
  • Page 6 Shipping Discrepancies Check all containers against the packing list immediately on receipt. If a shortage or other discrepancy is found, notify the carrier and Acoem immediately. We will not be responsible for shortages against the packing list unless they are reported...
  • Page 7 Serinus 44 User manual 1.0 Front Matter Internationally recognised symbols used on Acoem Equipment Electrical fuse IEC 60417, No. 5016 Earth (ground) terminal IEC 417, No. 5017 Equipotentiality IEC 417, No. 5021 Alternating current IEC 417, No. 5032 Caution, hot surface IEC 417, No.
  • Page 8 Description: User Manual for the Serinus 44 NO/NO analyzer This manual is the full user manual for the Serinus 44 NO/NO Analyzer. This manual contains all relevant information on theory, specifications, installation, operation, maintenance and calibration. Any information that cannot be found within...

  • Page 9: Table Of Contents

    Serinus 44 User manual 1.0 Front Matter Table of Contents INTRODUCTION ......................1 1.1 D ........................1 ESCRIPTION 1.2 S ......................1 PECIFICATIONS 1.2.1 M ......................1 EASUREMENT 1.2.2 P ....................1 RECISION CCURACY 1.2.3 C ........................ 1 ALIBRATION 1.2.4 P ...........................
  • Page 10 Front Matter Serinus 44 User manual 1.0 3.5.3 M ................... 23 EASUREMENT SETTINGS 3.5.4 C ....................24 ALIBRATION MENU 3.5.5 S ........................26 ERVICE 3.5.6 C ...................... 32 OMMUNICATIONS CALIBRATION ......................35 4.1 Z ...................... 35 ALIBRATION 4.2 S ...................... 36 ALIBRATION 4.3 M...
  • Page 11 Serinus 44 User manual 1.0 Front Matter 7.5 F ............... 66 LOW BLOCK TEMPERATURE FAILURE 7.6 R ..............67 EACTION CELL TEMPERATURE FAILURE OPTIONAL EXTRAS ....................69 8.1 R ......................69 ACK MOUNT KIT 8.2 P ................. 71 RESSURISED ZERO SPAN VALVE 8.2.1 S...
  • Page 12 Front Matter Serinus 44 User manual 1.0 List of Figures Figure 1 Simple pneumatic diagram ..................4 Figure 2 Internal components diagram ..................5 Figure 3 Opening the lid ......................9 Figure 4 Instrument Back panel....................10 Figure 5 Switching battery off ....................14 Figure 6 Serinus front panel ....................

  • Page 13: Introduction

    The concentrations are automatically corrected for gas temperature and pressure changes and referenced to 0°C, 20°C or 25°C at 1 atmosphere. This allows the Serinus 44 to sample in the most useful measurement range for NO, NO . This Manual will detail the operation, preventive maintenance, cautions and health warnings.

  • Page 14: Power

    Introduction Serinus 44 User manual 1.0 Span drift  Temperature dependant: 0.1% per °C  7 days: <1% of reading 1.2.4 Power Operating voltage:  99 to 132 VAC (57-63Hz) or via switch 198 to 264 VAC (47 to 53 Hz) 1.2.5 Operating conditions...

  • Page 15: Nomenclature

    Serinus 44 User manual 1.0 Introduction 1.3 Nomenclature Span: A gas sample of known composition and concentration used to calibrate/check the upper range of the instrument (GPT using NO gas). Zero: Zero calibration uses zero air (NO scrubbed ambient air) to calibrate/check the lower range of the instrument.

  • Page 16: Background/ Theory

    1.4.1 Measurement Theory The measurement of the NO/NO is performed via the gas phase chemiluminescence method. The Serinus 44 follows these principles and measurement techniques:  Sample air is drawn into the reaction cell via three separate (alternating) channels the NO, NO and N .

  • Page 17: Kalman Filter Theory

    Serinus 44 User manual 1.0 Introduction  The level of chemiluminescence detected is directly proportionally to the NO in sample  NO is calculated by subtracting the NO measurement from NO measurement = NO + NO or NO = NO –...

  • Page 18: Particulate Filter

    NH to NO. Converter efficiency is between 88-94% at a temperature of 680°C. The HTO 1000N is connected to the Serinus 44 analyzer through the Auxiliary port (on the rear of the analyzer, see section 2.3.1 for more details).

  • Page 19: Optical Cell

    Serinus 44 User manual 1.0 Introduction 1.5.8 Optical Cell Reaction Cell The reaction cell is designed to inject ozone into the sample, causing a chemiluminescence reaction which emits radiation of which some is filtered to a specific wavelength (1100nm) and measured by the PMT.

  • Page 20: Communications

    Introduction Serinus 44 User manual 1.0 1.5.11 Communications Communication between the analyzer and either a data logger, laptop or network can be performed with the following communication connections located on the back panel (see Figure 4). RS232 #1 This port is designed to be used for simple RS232 communication or with a Termination Panel allowing the Serinus instrument to work as a datalogger.

  • Page 21: Installation

    2.1 Initial check Packaging The packaging which the Serinus 44 is transported in is specifically designed to minimise the effects of shock and vibration during transportation. Acoem recommends that the packaging be kept if there is a likelihood that the instrument is going to be relocated.

  • Page 22: Mounting/Siting

    Installation Serinus 44 User manual 1.0 2.2 Mounting/Siting When installing the instrument the following points must be taken into account:  Analyzer should be placed in an environment with minimal dust, moisture and variation in temperature  For best results analyzers should be located in a controlled environment with temperature and humidity controlled (air conditioned shelter) set to 25-27°C...

  • Page 23: Pneumatic Connections

    Installation 2.3.1 Pneumatic connections The Serinus 44 contains 6 pneumatic ports on the back panel of the analyzer; sample port, calibration port, exhaust port, background air port, auxiliary in port and auxiliary out port.. All tubing and fittings used should follow the instructions below: ®...

  • Page 24: Power Connections

     This port is also designed to be used with a Termination Panel allowing the Serinus instrument to work as a datalogger. This function is an optional extra and should be purchased from Acoem. RS232 #2  Connect RS232 cable from instrument to computer, datalogger or in a daisy chain formation.

  • Page 25: Analyzer Set Up

    Serinus 44 User manual 1.0 Installation 2.3.4 Analyzer set up  Ensure USB memory key is installed  Check battery is turned on at main controller PCB (Figure 5)  Ensure all pneumatics are connected as described above  Ensure Converter is plugged in and turned on ...

  • Page 26: Transporting/Storage

    Installation Serinus 44 User manual 1.0 2.4 Transporting/Storage Transporting the Serinus should be done with great care. It is recommended that the packaging the Serinus was delivered in should be used for any transport as it ensures minimal damage to the instrument. When transporting or storing the instrument the following points should be followed: ...

  • Page 27: Operation

    Serinus 44 User manual 1.0 Operation 3.1 Warmup As the instrument is turned on it will adjust itself ready for monitoring. No measurements are taken during the warm-up. When the main screen appears the action line of the instrument will display the...

  • Page 28: Main Screen

    Operation Serinus 44 User manual 1.0 (3) Keypad The keypad contains numbers 0-9, decimal point (.) and hash (#). The keypad is used to input numbers and concentrations when numbers on the screen are highlighted. In some circumstances the decimal point and hash are used for different functions (as explained on that specific screen).
  • Page 29 Serinus 44 User manual 1.0 Operation Status/Error line (2) The Status/Error line provides users with information on any problems the instrument may have. It includes all the status/errors contained in the Status Menu section 3.5.2.1. Instrument Activity (3) The Instrument activity line shows what function the instrument is currently performing.

  • Page 30: Sampling

    Operation Serinus 44 User manual 1.0 3.4 Sampling The Serinus 44 NO analyzer is a triple channel monitoring instrument meaning it measures sample air through three different paths. These three paths are used to measure NO (Sample), NO (Sample Aux) and N (Sample Aux2).

  • Page 31: Quick Menu

    Serinus 44 User manual 1.0 Operation 3.5.1 Quick Menu The quick menu is designed to contain all the tools for maintenance performed by operators in one easy to use screen. The quick menu allows operators to perform calibrations/checks, check important parameters and review service history in one menu.

  • Page 32: Analyzer State

    Operation Serinus 44 User manual 1.0 3.5.2 Analyzer State Displays the status of various parameters that effect instrument measurement and various functions. There are 4 sub menus within this menu and 3 non-editable fields described below. Event Log This field enters a screen with a log of all the events that the instrument performs.
  • Page 33 Serinus 44 User manual 1.0 Operation 3.5.2.2 Temperatures Temperature Units Editable field to allow the user to change the current temperature units of the analyzer. Set point (CELL) Editable field that sets the temperature that heated components are regulated at (default value is 50°C).
  • Page 34 Operation Serinus 44 User manual 1.0 3.5.2.4 Voltages Conc Voltage (RAW) Voltage from the preprocessor proportional to the detected gas signal from the reaction cell. This voltage represents the actual measurement of High Voltage PMT power supply high voltage reading...

  • Page 35: Measurement Settings

    Serinus 44 User manual 1.0 Operation Front screen Change the display of concentration on the front screen between either just display the instantaneous concentration (inst. only) or both instantaneous and average concentration (Inst & avg). 3.5.3 Measurement settings Average period...

  • Page 36: Calibration Menu

    Operation Serinus 44 User manual 1.0 3.5.4 Calibration menu Span Calibrate This field is used to perform the span calibration setting. This option should be used only when a known concentration of span gas is running through the measurement cell. When this is happening activate the span...
  • Page 37 Serinus 44 User manual 1.0 Operation Cal Temperature Temperature at which the instrument performed its last span calibration Converter efficiency Editable field where the efficiency of the NO converter (calculated in section 4.4) is entered. Converter efficiency Editable field where the efficiency of the NH converter (calculated in section 4.5) is entered.

  • Page 38: Service

    Save parameter list Activating this function will save the parameters value to a text file. This allows it to be sent to the operators relevant service center or Acoem for troubleshooting and fault finding. Load configuration Loads instrument EEPROM setting from USB key (including calibration and communication settings, units, instrument gain etc).
  • Page 39 Serinus 44 User manual 1.0 Operation Instrument This field allows the instrument to be set to either “Online” (data being validated) or “Offline” (data not validated). This field is used to change the instrument into “Offline” when service work is being perform...
  • Page 40 Operation Serinus 44 User manual 1.0 3.5.5.1.1 Pres/temp/flow Comp Set to either On or Off. On is used to compensate analyzer measurements for environmental fluctuations that might affect readings (pressure, temperature and flow). Off is used only when running diagnostics to see fluctuations in readings.
  • Page 41 Serinus 44 User manual 1.0 Operation Valve sequencing When set to “on” the instruments valves will switch as normal, when set to “off” the instrument will hold the valves in their current formation and valves can be opened and closed via the above fields.
  • Page 42 Operation Serinus 44 User manual 1.0 Pressurised Span (OPT) Shows the action of the valve that determines whether the instrument calibration gas is taken from the optional pressurised span port Pressurised Zero (OPT) Shows the action of the valve that determines whether the instrument...
  • Page 43 Serinus 44 User manual 1.0 Operation P/T/F Correction Displays the correction factor applied to the concentration of directly measured gases (NO, NOx, Nx). This correction is for changes in pressure, temperature and flow. Zero Offset NO This field displays the offset created from a zero calibration, this is the concentration measured from zero air and is subtracted from NO.

  • Page 44: Communications

    Operation Serinus 44 User manual 1.0 3.5.6 Communications 3.5.6.1 Analog Output Menu The analogue output menu is split into three sections, one for each measurement parameter (NO, NO , NO ). The following fields are found in one or all of these sections.
  • Page 45 Serinus 44 User manual 1.0 Operation 3.5.6.2 Data Logging Menu Data Log Setup –Quick Allows up to 15 parameters to be logged. After each parameter (labelled “Logging Param. 1” – “Logging Param. 15”) place the number of the parameter that is to be logged found in: ...
  • Page 46 Operation Serinus 44 User manual 1.0 3.5.6.4 Digital Inputs Menu Assign the digital input 0-7 3.5.6.5 Digital Outputs Menu Assign the digital outputs 0-7...

  • Page 47: Calibration

    Serinus 44 User manual 1.0 Calibration Calibrations with the Serinus 44 incorporates the HTO converter and should be performed as outlined below with no changes to the analyzer-converter configuration. Span gas used throughout all procedures is NO or NH gas.

  • Page 48: Span Calibration

    Performing a span calibration can be performed through either the Calibration port or Sample port. Span calibrations calibrate the instrument to the upper limits of normal monitoring. Acoem recommends that 80% of full scale should be sufficient for calibrations in ambient monitoring situations 400 ppb. Follow...

  • Page 49: Multipoint Calibration

    1. Ensure a suitable NO span source is connected to the instrument from a gas calibrator (Acoem recommends the GasCal-1100) through the sample port 2. Record analyzer instrument gains before performing calibration (section 3.5.1) 3.

  • Page 50: Figure 7 Excel Graph Of Multipoint Calibration

    Calibration Serinus 44 User manual 1.0 Figure 7 Excel graph of Multipoint Calibration 12. Accept the calibration if the following are found:  The gradient (m) falls between 0.98 and 1.02  The intercept (b) lies between 0.3.  The correlation (R ) is greater than 0.9995...

  • Page 51: Converter Efficiency

    Serinus 44 User manual 1.0 Calibration 4.4 NO Converter efficiency The efficiency of the NO converter can affect NO readings, the converter efficiency must be measured to:  Ensure the efficiency is at an adequate level (96% or higher)  Correct measurements for the losses introduced by the converter inefficiency...

  • Page 52: Precision Check

    Calibration Serinus 44 User manual 1.0 5. If the NH converter efficiency is above 86%, enter the Main menu  Calibration menu  NH3 Converter efficiency and enter in the number obtained in Equation 5. 6. If the NH converter efficiency is below 86% then the converter may require servicing.

  • Page 53: Pressure Calibration

    Serinus 44 User manual 1.0 Calibration 4.7 Pressure calibration The pressure calibration involves a two point calibration, one point under vacuum and another point at ambient pressure. To perform a pressure calibration the following steps must be completed Note: The vacuum calibration must be performed...

  • Page 54: Figure 10 Position Of Barometer Placement (Valve Manifold)

    Calibration Serinus 44 User manual 1.0 Figure 10 Position of Barometer placement (valve manifold) 5. Connect vacuum source to Exhaust port of analyzer, block the sample port and switch vacuum source on. 6. Enter Calibration menu  Pressure Calibration and select pressure (vacuum pressure) then select the unit of pressure being used (torr etc) 7.

  • Page 56: Communication

    This port is designed to be used in tandem with a Termination Panel allowing the Serinus instrument to work as a datalogger. This function is an optional extra and must be purchased from Acoem. RS232 #2 RS232 communication is the most reliable way to access data from instrument.

  • Page 57: Figure 13 Device Installer Pop Up Window

    Serinus 44 User manual 1.0 Calibration 2. The Serinus analyzer must be configured to allow network use, this is done through directly connecting it with a PC. Using a crossover Ethernet cable, connect the cable from the Ethernet port on the Serinus to a free Ethernet port on the PC.

  • Page 58: Digital/Analog Communication

    Calibration Serinus 44 User manual 1.0 Change Setup: 0 Server 1 Channel 1 3 E-mail 5 Expert 6 Security 7 Defaults 8 Exit without save 9 Save and exit Your choice ? 1 8. Change the settings to match those in brackets below as they appear. The value in brackets indicates its current configuration.

  • Page 59: Figure 16 Serinus 25 Pin Microprocessor Board (With Default Jumpers Highlighted)

    Serinus 44 User manual 1.0 Calibration Analog Inputs The Analyzer is also equipped with three analog inputs with resolution of 15 bits plus polarity. Input voltage 0-5 V Digital Status Inputs The analyzer is equipped with 8 logic level inputs for the external control of the Analyzer such as Zero/Span sequences.

  • Page 60: Figure 17 External 25Pin I/O Individual Pin Descriptions

    Calibration Serinus 44 User manual 1.0 DO 0 DO 1 DO 0 DO 1 DO 2 DO 3 Digital Outputs x 8 From Microprocessor DO 4 DO 5 DO 6 DO 7 DI 0 DI 1 DI 2 DI 3...

  • Page 61: Serinus Downloader Program

    Serinus 44 User manual 1.0 Calibration 5.5 Serinus downloader program The Serinus Downloader program is designed to allow the user to acquire data directly from the analyzer and control it remotely. The Serinus downloader program has four main windows; “Settings” where configurations are made to communicate with the analyzer, “Data”...

  • Page 62: Figure 18 Serinus Downloader - Settings Tab

    Calibration Serinus 44 User manual 1.0 Connection The user must select the type of connection that the computer is connect to the analyzer with. This is chosen in the “Connection Type” field and consists of: Direct Serial connection: Used when the analyzer is connected directly to PC via serial port Port ...

  • Page 63: Data

    Serinus 44 User manual 1.0 Calibration 5.5.2 Data The Data window consists mainly of a spreadsheet with rows (numeric) and columns (labeled as per parameter). The amount of data to be uploaded into the spreadsheet is determined by the start and end date range on the left side of the main menu bar.

  • Page 64: Remote Screen

    Calibration Serinus 44 User manual 1.0 5.5.3 Remote screen The remote screen tab allows the user to connect to the Serinus instrument and control it remotely. The screen has all the same buttons as the Serinus gas analyzer and is used as virtual interface with the instrument. The screen is a screenshot and not an automatically updated feed;...

  • Page 65: Remote Terminal

    Serinus 44 User manual 1.0 Calibration 5.5.4 Remote terminal The remote terminal tab is a diagnostic tool used to check instrument operation and parameters. The remote terminal is used in a similar way to “ping” a computer; it is used to ensure communications are working properly.

  • Page 66: Service

    6.1 Pneumatic diagram Figure 22 Pneumatic diagram 6.2 Maintenance tools To perform general maintenance on the Serinus 44 the user will require the following equipment:  Digital multimeter (DMM)  Computer or remote data terminal and connection cable for RS232 communication ...

  • Page 67: Recommended Maintenance Schedule

    Serinus 44 User manual 1.0 Service  Test span gas source  Leak tester 6.3 Recommended maintenance schedule Table 1 Maintenance schedule Interval * Task performed Page Weekly Check inlet particulate filter, replace if full/dirty Check sample inlet system for moisture or foreign materials.

  • Page 68: Maintenance Procedures

    Service Serinus 44 User manual 1.0 6.4 Maintenance procedures Note: After removing power from the Serinus 44 the exhaust must be maintained for 15 minutes. This is necessary to purge all of the ozone preventing its build up and combustion with charcoal (in exhaust scrubber).

  • Page 69: Clean Fan Filter

    Serinus 44 User manual 1.0 Service 6.4.2 Clean fan Filter Turn off fan Remove outer filter casing and filter (Figure 24) Clean filter by blowing with compressed air (if available) or shaking vigorously Replace filter and filter casing Figure 24 Removing fan filter 6.4.3 DFU Replacement...

  • Page 70: Quick Leak Test

    Service Serinus 44 User manual 1.0 Once the t-piece has been removed use the orifice/filter removal tool to remove either the orifice and/or filter Orifice and filter maybe exchanged with new ones or cleaned as needed. Replace the filter and/or orifice in the correct part of the T-piece and replace the T-piece as before.

  • Page 71: Advanced Leak Check

    Serinus 44 User manual 1.0 Service 6.4.6 Advanced leak check If a leak is suspected a more intensive leak check can be performed. Continue from the setup in the quick leak check. Connect a pump to the exhaust port with a shut off valve (pump side)

  • Page 72: Clean Reaction Cell

    Service Serinus 44 User manual 1.0 Remove the old desiccant packs, located on top and below the PMT, to the left of the access cap. Replace old packs with new ones, Do not attempt to dry and reuse the old packs.

  • Page 73: Pressure Sensor Check

    (section 4.7) 6.5 Parts list Below is a list of the replaceable parts of the Serinus 44. Some of these parts will not need replacing and other consumables will need constant replacing. See below for information on yearly consumable kits available from Acoem.

  • Page 74: Updating Firmware

    Service Serinus 44 User manual 1.0 Serinus 44 Maintenance Kit E020203 (includes consumables below) Filter, Sintered (2 required) F010004 O- ring 0.364ID X 0.070W (5 required) O010010 Filter unit disposable F010005 O-ring, Desiccant access cap O010022 O-ring, Orifice and filter (8 required)

  • Page 75: Troubleshooting

    Serinus 44 User manual 1.0 Troubleshooting Table 3 Troubleshoot list Error Message/ Cause Solution Problem Zero Flow Multiple Troubleshoot 7.1 Reset Detection Upgrade firmware Electronic zero Faulty zero air or Troubleshoot 7.2 adjust pneumatics 12 Voltage supply Power supply has...

  • Page 76: Zero Flow

    Troubleshooting Serinus 44 User manual 1.0 7.1 Zero Flow 7.2 Electronic Zero adjust...

  • Page 77: Noisy Readings

    Serinus 44 User manual 1.0 Troubleshooting 7.3 Noisy readings Table 4 Noisy readings troubleshoot Cause Solution Gain too high 1. Leak check (repair any leaks) 2. Clean optical filter in reaction cell Cell pressure too high (>280 torr) 1. Leak check (repair any leaks) 2.

  • Page 78: Flow Block Temperature Failure

    Troubleshooting Serinus 44 User manual 1.0 7.5 Flow block temperature failure...

  • Page 79: Reaction Cell Temperature Failure

    Serinus 44 User manual 1.0 Troubleshooting 7.6 Reaction cell temperature failure...

  • Page 81: Optional Extras

    Serinus 44 User manual 1.0 Optional Extras 8.1 Rack mount kit The rack mount kit is necessary for installing the Serinus 10 into a 19” rack. The Serinus 10 is 4RU in height, to install in the rack follow these steps.
  • Page 82 Optional Extras Serinus 44 User manual 1.0 Note: Ensure both sides of the slide are attached to the lid slides before pushing into rack Removing the instrument 1. To remove the instrument first “push” instrument out of rack giving access to the slides 2.

  • Page 83: Pressurised Zero/Span Valve

    Serinus 44 User manual 1.0 Optional Extras 8.2 Pressurised zero/span valve Note: This is NOT intended as a source for calibrating the instrument. This should only be used as an operational check of the instrument’s zero point and single upscale point (recommended as 80% of full scale) 8.2.1 Single pressurized calibration option...

  • Page 84: Dual Pressurized Calibration Option

    Optional Extras Serinus 44 User manual 1.0 Figure 32 Single high pressure calibration option 8.2.2 Dual pressurized calibration option The dual internal pressurised calibration valves are already installed within the analyzer (Figure 33) as a zero and span calibration source, thus no other connections need to be made.

  • Page 85: Figure 33 Dual High Pressure Calibration Option

    Serinus 44 User manual 1.0 Optional Extras Return to normal operation 1. Set Cal. Mode → Measure. 2. Remove the flow meter on the calibration port and connect a ¼” vent line to port. 3. Reconnect instrument fittings and place in original set up 4.

  • Page 87: Appendix A Advanced Protocol Parameter List

    Serinus 44 User manual 1.0 Appendix Note: Parameters are for all Serinus analyzers and may not be applicable to an individual analyzer. Table 5 Advanced Protocol Parameter list Description Notes Sample / Cal Valve 0=Sample, 1=Cal/Zero Cal / Zero Valve...
  • Page 88 Appendix Serinus 44 User manual 1.0 Analogue input 14 EXTERNAL ANALOG INPUT 1 Analogue input 15 MFC0 NOT USED CO Measure Pot : Coarse S30 Measure ZERO Coarse adjustment Pot CO Measure Pot: Fine S30 Measure ZERO Fine adjustment Pot...
  • Page 89 Serinus 44 User manual 1.0 Appendix Reference Voltage Calibration State 0 = MEASURE 1 = CYCLE 2 = ZERO 3 = SPAN Primary Raw Concentration (before NOx background and gain) Secondary Raw Concentration (before NOx background and gain) NOx Background Concentration...
  • Page 90 Appendix Serinus 44 User manual 1.0 5=nG/M³ Background Measure Time In seconds Sample Fill Time In seconds Sample Measure Time In seconds Aux Measure Time In seconds Aux Sample Fill Time In seconds Background Fill Time In seconds Zero Fill Time...
  • Page 91 Serinus 44 User manual 1.0 Appendix 1 = "ºF", 2 = "ºK", Pressure Units 0 = "torr", 1 = "psi", 2 = "mbar", 3 = "atm", 4 = "kPa" Averaging Period 0 = " 1 Min", 1 = " 3 Mins", 2 = "...
  • Page 92 Appendix Serinus 44 User manual 1.0 2 = "Advanced" Multidrop Port (COM 2) Protocol 0 = " EC9800", 1 = "Bavarian", 2 = "Advanced" Gas1 Over Range The Upper Concentration Range when Over- Ranging is enabled for Analog Output 1...

  • Page 93: Appendix B - Ec9800 Protocol

    Serinus 44 User manual 1.0 Appendix – – E B – DCONC Function Sends the current instantaneous concentration data to the serial port. Format DCONC,{<DEVICE I.D.>}{TERMINATOR} Device response {GAS}<SPACE>{STATUS WORD}<CR><LF> All numbers are in floating point format. The STATUS WORD indicates the...
  • Page 94 Appendix Serinus 44 User manual 1.0 RESET Function Reboots the instrument (software reset). Format RESET, {<DEVICE I.D.>}{TERMINATOR} Device response <ACK>...

  • Page 95: Appendix C - Bavarian Protocol

    Serinus 44 User manual 1.0 Appendix – – B C – Bavarian Network Command Set Format All Bavarian Network commands follow the command format as specified in this section. The specific Bavarian commands and their function are described in section Bavarian Network Command Format: <STX><TEXT><ETX><BCC1><BCC2>...
  • Page 96 – – P C –...

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