Industrial Scientific Radius BZ1 Product Manual
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Industrial Scientific Radius BZ1 Product Manual

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Product
Manual
The Essential Guide for
Safety Teams and
Instrument Operators
Edition 2
August 25, 2016
Part Number: 17155915-1

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Summary of Contents for Industrial Scientific Radius BZ1

  • Page 1 Product Manual The Essential Guide for Safety Teams and Instrument Operators Edition 2 August 25, 2016 Part Number: 17155915-1...
  • Page 2 Industrial Scientific Corporation, Pittsburgh, PA USA Industrial Scientific Co., Ltd. Shanghai, China © 2016 Industrial Scientific Corporation All rights reserved. Published 2016. Version 3 www.indsci.com/radius...

  • Page 3: Table Of Contents

    Contents General Information ................... 1 Certifications ....................1 Warnings and Cautionary Statements ............2 Recommended Practices ................4 First-use Checklist ..................4 Placement Guidelines ................5 Maintenance ..................... 5 Settings ....................6 Utilities ....................6 Remote Sampling ..................8 Care and Storage ..................8 Product Information ..................
  • Page 4 Accessing and Protecting Settings .............. 35 Settings Overview ..................36 Display Overview (settings) ................. 37 Working in Settings ..................39 Reviewing and Editing Settings ..............40 Maintenance Options and Settings ............41 Start-up Settings ..................42 Operation Settings .................. 42 Alarm Settings ..................
  • Page 5 Service and Warranty ..................79 Service ......................79 Guidelines ....................79 Supplies ....................80 Instruction ....................80 Warranty ...................... 87 Limitation of Liability ................87 Appendix A ...................... 89 Supplemental Information about Gases and Sensors ......... 89 Cross Sensitivity and Toxic Gases ............89 LEL and Combustible Gases ..............
  • Page 6 Table 2.4 Intrinsic Safety External Power Supply specifications ..... 16 Table 2.5 Sensor specifications ............... 17 Table 3.1 Package contents ................25 Figure 3.1.A Hardware overview Radius BZ1 (front view; diffusion) ....27 Figure 3.1.B Hardware overview Radius BZ1 (back view; aspirated) ....28 Figure 3.2 Setup ....................29 Figure 3.3 Display-screen overview during operation ........
  • Page 7 Figure 5.5 Connecting the Intrinsic Safety External Power Supply....59 Figure 5.6 Disconnecting the Intrinsic Safety External Power Supply ..... 60 Figure 6.1 Operation instruction ..............65 Figure 6.2 Alarm-signal intensity ..............66 Figure 6.3 Alarm and peer-alarm display-screen samples ......66 Figure 6.4 Alarms, possible causes, and relative signal intensity ....

  • Page 9: General Information

    General Information Certifications Warnings and Cautionary Statements Recommended Practices Certifications Radius™ BZ1 Area Monitors can be manufactured to meet a variety of certifications including those listed below in Tables 1.1 and 1.2. To determine the hazardous area classifications for which an instrument is certified, refer to its label or the instrument order.

  • Page 10: Warnings And Cautionary Statements

    The following apply to instruments that are to be used in compliance with the CSA certification: Radius BZ1 Area Monitor is CSA-certified according to the Canadian Electrical Code for use in Class I, Division 1 and Zone Classified Hazardous Locations within an ambient temperature range of T : -20 °C to +55 °C.
  • Page 11 Charge the Radius Base battery pack only in nonhazardous locations using compatible accessories from Industrial Scientific. The Radius Base battery pack is to be replaced only by Industrial Scientific Corporation or authorized repair facility. Before using the Intrinsic Safety External Power Supply accessory, read and understand control drawing 1810D9387-200.

  • Page 12: Recommended Practices

    Recommended Practices First-use Checklist To prepare the Radius BZ1 instrument for first use, qualified personnel should ensure the following are completed:  Instrument setup.

  • Page 13: Placement Guidelines

     Calibrate the instrument.  Complete a bump test.  Train instrument users. Placement Guidelines To develop a placement plan for each unique, in-field application of Radius BZ1 instruments, keep in mind all relevant gas, site, and LENS™ Wireless (Linked Equipment Network for Safety) factors, which include but are not limited to the following: ...

  • Page 14: Settings

    *For more information about the cross sensitivities of nontarget gases see "Appendix A, Supplemental Information about Gases and Sensors." Industrial Scientific minimum-frequency recommendations for instrument maintenance are summarized below in Table 1.4. These recommendations are provided to help support worker safety and are based on field data, safe work procedures, industry best practices, and regulatory standards.
  • Page 15 (Docking Station Software Admin Console) will be be maintained for all scheduled bump tests and calibrations, synchronized for any changes to settings, and upgraded for improvements from Industrial Scientific. Other Maintenance. The time-weighted average (TWA), short-term exposure limit (STEL), and peak readings can each be "cleared."...

  • Page 16: Remote Sampling

    Remote Sampling When sampling with the aspirated Radius BZ1, allow time for the air sample to reach the sensors and for the sensors to respond to any gases that are present. Industrial Scientific recommends the allowance of two minutes plus two seconds for each 30 cm (12 ") of sample tubing.
  • Page 17  Fully charge the Radius Base battery pack before long-term storage. Industrial Scientific recommends the SafeCore Module be stored in the Radius Base; this will help support conservation of the backup battery, a power source that maintains the module's clock and is needed when biased sensor are installed.

  • Page 19: Product Information

    With its fifteen compatible sensors, the instrument is capable of monitoring for oxygen and a variety of toxic gases and combustible gases. The Radius BZ1 is used outdoors and indoors for applications that require a worker or worksite perimeter, a fence-line setup, a standalone unit, and confined-space monitoring.

  • Page 20: Power

    LENS functionality requires no central controller, network configuration, or infrastructure. Messaging Radius BZ1 instruments give the safety team a variety of options to provide instrument operators with customized on-screen messages**. This includes a custom start-up message, which displays during the power-on process. A unique instructional message, or "alarm action message", can be set for each...

  • Page 21: Compatibilities

    Compatibilities Batteries and Power Supplies The battery pack that powers the Radius BZ1 Area Monitor is encased in the Radius Base. It is charged in a nonhazardous environment using its dedicated power supply and power cord. The battery pack's charge can be maintained—...

  • Page 22: Docking Station And Software

    The SafeCore Module is compatible with the DSX™ Docking Station and is supported by iNet or DSSAC software from Industrial Scientific. Sample Tubing Industrial Scientific recommends the use of its Teflon-lined tubing kit (part number 18109206) when sampling for these gases, which are susceptible to...

  • Page 23: Specifications

    For other target gases, the Teflon-lined tubing kit can be used as can the Urethane tubing kit (part number 18109207). Specifications Instrument The Radius BZ1 takes gas readings every second and records readings- related data at its settable interval. Data are stored in the instrument data log, which has these characteristics: ...

  • Page 24: Batteries

    2690 Lo IIB (mH) Approximate run time when used with the Radius BZ1 Area Monitor that has a fully charged battery powering a diffusion unit that is operating at room temperature (25 °C [77 °F]) with CO, H S, O , and LEL sensors installed, has the wireless option enabled, and experiences 10 minutes of high alarm per day.

  • Page 25: Sensors

    Sensors Table 2.5 provides specifications for each sensor, which include properties, installation locations, operating conditions, and performance data. Table 2.5 Sensor specifications Gas type (abbreviation) Part number Ammonia (NH Carbon Monoxide (CO) 17156650-6 17156650-1 Properties Category Toxic and combustible Toxic Technology Electrochemical Electrochemical...
  • Page 26 Table 2.5 Sensor specifications Gas type (abbreviation) Part number Carbon Monoxide, Carbon Monoxide, high range (CO) low Hydrogen interference CO-Low H 17156650-H 17156650-G Properties Category Toxic Toxic Technology Electrochemical Electrochemical DualSense capable 1, 2, 5, or 6 1, 2, 5, or 6 Installation locations Operating conditions -20 to +50 °C...
  • Page 27 Table 2.5 Sensor specifications Gas type (abbreviation) Part number Carbon Monoxide and Hydrogen Sulfide (CO and H 17156650-J Properties Category Toxic Technology Electrochemical DualSense capable 1, 2, 5, or 6 Installation locations Operating conditions Temperature range -20 to +50 °C -20 to +55°C (-4 to +122 °F) (-4 to +131°F)
  • Page 28 Table 2.5 Sensor specifications Gas type (abbreviation) Part number Chlorine (Cl Hydrogen (H 17156650-7 17156650-C Properties Category Toxic Toxic Technology Electrochemical Electrochemical DualSense capable 1, 2, 5, or 6 1, 2, 5, or 6 Installation locations Operating conditions -20 to +50 °C -20 to +50 °C Temperature range (-4 to +122 °F)
  • Page 29 Table 2.5 Sensor specifications Gas type (abbreviation) Part number Hydrogen Cyanide Hydrogen Sulfide (HCN) 17156650-B 17156650-2 Properties Category Toxic Toxic Technology Electrochemical Electrochemical DualSense capable 1, 2, 5, or 6 1, 2, 5, or 6 Installation locations Operating conditions Temperature range -20 to +40 °C -20 to +50 °C (-4 to +104 °F)
  • Page 30 Table 2.5 Sensor specifications Gas type (abbreviation) Part number LEL (Methane) LEL (Pentane) 17156650-L 17156650-K Properties Category Combustible Combustible Technology Catalytic Catalytic DualSense capable 3 or 4 3 or 4 Installation locations Operating conditions Temperature range -20 to +55°C -20 to +55°C (-4 to +131°F) (-4°F to +131°F) RH range...
  • Page 31 Table 2.5 Sensor specifications Gas type (abbreviation) Part number Nitrogen Dioxide Oxygen (O 17156650-4 17156650-3 Properties Category Toxic Oxygen Technology Electrochemical Electrochemical DualSense capable 1, 2, 5, or 6 1, 2, 5, or 6 Installation locations Operating conditions Temperature range -20 to +50 °C -20 to +55 °C (-4 to +122 °F)
  • Page 32 Table 2.5 Sensor specifications Gas type (abbreviation) Part number Sulfur Dioxide Volatile Organic Compounds (VOC) 17156650-5 17156650-R Properties Category Toxic Toxic Technology Electrochemical PID (10.6 eV) DualSense capable 1, 2, 5, or 6 3 or 4 Installation locations Operating conditions Temperature range -20 to +50 °C -20 to +50 °C...

  • Page 33: Getting Started

    A shipment may include the items listed below in Table 3.1. Each item should be accounted for during the unpacking process. If any item is missing or appears to have been damaged, contact Industrial Scientific (see back cover) or an authorized distributor of Industrial Scientific products.

  • Page 34: Hardware Overview

    At the time of shipment. Hardware Overview The main hardware components of the Radius BZ1 Area Monitor are identified below in Figure 3.1.A and Figure 3.1.B (front view and back view, respectively). The front view features the diffusion instrument and shows the gas path, which leads to the sensor ports.

  • Page 35: Figure 3.1.A Hardware Overview Radius Bz1 (Front View; Diffusion)

    Handle Lights Display Power button Left button Right ■ button ■ Ambient-light Gas path sensor (diffusion only) Speaker Sensor ports Boot Handle Figure 3.1.A Hardware overview Radius BZ1 (front view; diffusion)
  • Page 36 Air inlet shown) (aspirated only) Module Intrinsic Safety locking External Power screw (x2) Supply port Charging indicator Charging port Handle Boot Air inlet Connector (diffusion only) SafeCore Module port (shown empty) Figure 3.1.B Hardware overview Radius BZ1 (back view; aspirated)

  • Page 37: Setup

    Setup Use the supplied screwdriver set to prepare the instrument for operation as described below in Figure 3.2. On the back of the Radius Slide the module straight into its port. Push firmly to support Base, locate the SafeCore the connection of the module to the base. Use care not to Module port.

  • Page 38: Display Overview (Operation)

    Display Overview (operation) As shown below, the display has one central segment where it communicates gas readings information. Above the gas readings segment is a status bar and below it a navigation bar. Both bars are used to feature status symbols and information;...
  • Page 39 If the peer instrument does not have an assigned user such as "Tank 1", its serial number will display in place of the user assignment. Identifies a peer device as a Radius BZ1. Gas readings area This area communicates gas-readings information.
  • Page 40 Utility symbols Maintenance due (bump test shown). Maintenance due (calibration shown). During operation, the navigation bar generally provides information. Shown here is the battery status, the LEL correlation factor, and the time of day (12-hour format). The navigation bar is used to display peer alarms and details about those alarms (event, gas reading, and instrument).

  • Page 41: Figure 3.3 Display-Screen Overview During Operation

    Instructional symbols Scroll an options list. Make a selection, start a process, or answer affirmatively. Instructional text. Figure 3.3 Display-screen overview during operation...

  • Page 43: Settings

    Working in Settings Reviewing and Editing Settings Guidelines Radius BZ1 Area Monitor settings that can be adjusted manually through the instrument are described in this "Product Manual". These and other settings can also be adjusted through compatible Industrial Scientific docking stations that are supported by iNet and DSSAC;...

  • Page 44: Settings Overview

    ■ ■ ■ ■ To access the settings, press and Decrease the Enter the Increase the Move the Select the Move hold the left and the highlighted highlighted highlighted highlight bar highlighted right buttons. value value value option highlight down If the code is unknown, instrument settings can be accessed by invalidating the current security-code setting as follows: first, edit the displayed value to 412;...

  • Page 45: Display Overview (Settings)

    Table 4.1 Settings overview Topic Description Sensor Control which sensors are enabled or disabled for gas detection. Optionally edit calibration gas settings, set the LEL sensor's correlation factor, or set the PID sensor's response factor. Admin (Administration) Control the ways in which an instrument will interact with its user: set a security code, the display-screen language, a confidence indicator, and more.

  • Page 46: Figure 4.1 Display Screen Overview In Settings

    Status bar When working in settings, the status bar indicates the current topic (Wireless shown here) or the name of the setting that is being edited. It also features the settings symbol and battery indicator. The editing area displays each item that can be set. The highlight bar indicates which setting is currently selected for editing.

  • Page 47: Working In Settings

    Peer Lost Warning setting. During editing, the right and left buttons generally perform the same function. The Radius BZ1 will monitor for gas when settings are in use and its alarms will be functional. ■...

  • Page 48: Reviewing And Editing Settings

    — Confirm the Read, then highlighted acknowledge the value message. ("Methane") Calibrate for the LEL sensor. Figure 4.3 Example for editing a multistep setting Reviewing and Editing Settings The rest of this chapter describes in detail the options available within each settings topic: ...

  • Page 49: Maintenance Options And Settings

    Maintenance Options and Settings The primary purpose of Maintenance is to provide the safety specialist with the opportunity to view maintenance information and to perform maintenance procedures (utilities). The safety specialist can also view the ■ ■ instrument's serial number and versioning information, and view and edit Move the Select the...

  • Page 50: Start-Up Settings

    Start-up Settings These settings allow the safety specialist to permit or prohibit all-user access to start-up options, information that will display during the power-on process. ■ ■ Move the Select the Move the highlight highlighted highlight bar up option bar down Table 4.3 Start-up settings Setting Description and options...

  • Page 51: Table 4.4 Operation Settings

    Table 4.4 Operation settings Setting Description and options Permit or prohibit all-user access—during operation—to the information items listed here. To permit access, set the option to "On"; to prohibit access, set it to "Off." Set each item separately. View Instrument Info Set all-user access to view serial numbers and versioning information;...

  • Page 52: Alarm Settings

    Alarm Settings These settings allow the safety specialist to set the values for each gas event that will cause the instrument to alarm. The specialist can make other choices about instrument behavior including the manner in which the instrument will communicate its alarm events.
  • Page 53 Table 4.5 Alarm settings Setting Description and options Allow alarm signals to turn off after the alarm- causing condition no longer exists. Gas Name Set for each gas, the concentration that will cause each possible gas event listed below. The STEL and TWA events apply only to toxic gases.

  • Page 54: Sensor Settings

    Sensor Settings These settings allow the safety specialist to enable or disable for operation each installed sensor, and to set the gas concentration required for its calibration. The LEL correlation and PID response factors are also available for editing. ■ ■...

  • Page 55: Admin Settings

    Admin Settings Admin settings allow the safety specialist to control important aspects about how the instrument communicates with its operator. For example, a security code can be set to help restrict all-user access to settings. ■ ■ The safety specialist can also set the display-screen language, maintenance- Move the Press to...
  • Page 56 Table 4.7 Admin settings Setting Description and options Audible and Visual Chirp and blue lights Dock Due Select the manner in which the instrument will alert its operator of maintenance-due warnings. For each warning, Calibration Due choose one desired effect from among the options listed Bump Due below.

  • Page 57: Wireless Settings

    Table 4.7 Admin settings Setting Description and options Automatic Turns on when a button is pressed and the instrument senses low-light conditions. Continuous Always on. Backlight Interval When the backlight is set for automatic operation, the interval setting determines how long the light remain on (between 5 and 60 seconds).

  • Page 58: Table 4.8 Wireless Settings

    Choose the manner in which transmitted, wireless data will be secured. Option Effect Default Use the Industrial Scientific encryption key. Custom* Use an encryption key other than the Industrial Scientific default option. *Requires the use of iNet or DSSAC. View Wireless Peers Set all-user access to view gas readings—during operation—...
  • Page 59 Table 4.8 Wireless settings Setting Description and options peer alarm. Peer Lost Warning Set the instrument to alarm or not alarm when another instrument in the group becomes "lost." A peer instrument is considered lost when it is no longer communicating within the group for an unexpected reason.
  • Page 60 Table 4.8 Wireless settings Setting Description and options Acknowledge Group Lost When the Group Lost Warning (above) is set to "On", use the Acknowledge Group Lost feature to allow the instrument operator to turn off the visual and audible alarm signals when the instrument becomes separated from its wireless peer group.

  • Page 61: Power

    Power Charging the Battery Power On Power Off Maintaining Battery Charge Charging the Battery Before first use and as needed—in an area known to be nonhazardous—charge the Radius Base battery as described below in Figure 5.1. Charging can be done regardless of whether or not a SafeCore module is installed.

  • Page 62: Power On

    Figure 5.1 Battery charging instruction Power on To power on the Radius BZ1 Area Monitor, press and hold the power button ( ) for approximately three seconds. Tones emitted from the speaker during the power-on process are of a lower decibel compared to the audible alarm signals;...
  • Page 63 The unit emits a beep. Verify If the unit fails any part of its self-test, an error message will that the speakers are display. If the unit or its operator detect problems, contact functional. Industrial Scientific. Start-up sequence Set date and time Instrument information ■...
  • Page 64 Pump test (aspirated units only) Place a finger over the opening at the end of the sampling line Once the pump test is to block the flow of air. complete, remove the finger from the sampling line, then press the power ( ) button to continue.

  • Page 65: Shutdown

    End of power-on process Home No fault status Number in wireless peer symbol group Wireless signal quality Gas name Current gas Unit of measure reading Battery charge Time of day Pump installed Home (4-gas instrument) Figure 5.2 Power-on process Shutdown To start the shut-down process, which powers off the instrument, press and hold the power button ( ).

  • Page 66: Maintaining Battery Charge

    Maintaining Battery Charge Use the Intrinsic Safety External Power Supply to maintain an instrument's battery charge during operation. These restrictions apply:  Only qualified personnel should install the power supply.  The power supply must be connected to a power source that is located in an area known to be nonhazardous.

  • Page 67: Figure 5.5 Connecting The Intrinsic Safety External Power Supply

    Because the cable from the external intrinsic safety power supply can be disconnected from and connected to any Radius BZ1 Area Monitor in-field, one instrument can be removed from service as another is put into service.
  • Page 68 If the cable is not being the instrument: turn its swivel slightly, then turn its swivel reconnected to another connector counterclockwise connector clockwise Radius BZ1, disconnect the (approximately 45°). (approximately 45°) until it cable from the power supply: clicks closed. turn its swivel connector counterclockwise (approximately 45°).

  • Page 69: Operation

    A placement plan (see Chapter 1, "Best Practices"), which is based on gas properties, site needs, and wireless factors, will indicate the desired location for each Radius BZ1 Area Monitor. At the desired location:  Place the instrument on a level, stable surface.

  • Page 70: Gas Readings

     Check the home screen to assess signal quality. From lowest to highest signal quality, the symbols are: , , , and  If an instrument becomes separated from its group, its display screen may feature a "Group Lost" message; its peer instruments may display a "Peer Lost"...

  • Page 71: Operating The Instrument

    Home for two installed sensors Home for six installed sensors Operating the Instrument From the home screen, a series of display screens may be accessible during operation. Some are informational and some provide access to maintenance utilities such as bump testing; options vary based on the instrument's settings. Information Information screens display briefly and may include: ...
  • Page 72 located underneath it. The instrument will wait approximately 30 seconds between button presses; when no button is pressed, it will revert to the home screen or the prior display screen. Home Wireless Peers list Peer readings ■ ■ — — —...

  • Page 73: Alarms, Warnings, And Indicators

    Take seriously all alarms, warnings, and indicators and respond according to company policy. Alarms Alarms notify instrument operators of danger. Alarm intensity is based on the event type and its source. The Radius BZ1 has alarms of four intensities; from highest to lowest they are:  High alarm ...

  • Page 74: Figure 6.2 Alarm-Signal Intensity

    *Signals (visual and audible) vary based on instrument settings. The high and low alarms may be of an audible pattern (dual tone or "sweep") that is different from that heard during a peer-high or peer-low alarm (single pitch). Pace (audible shown) Urgent …...

  • Page 75: Figure 6.4 Alarms, Possible Causes, And Relative Signal Intensity

    The display screens shown above feature the symbols for a high alarm ( and peer high alarm ( ). When an alarm is caused by another type of event, the display screens will feature a different symbol as shown in Figure 6.4, which also indicates relative signal intensity.

  • Page 76: Warnings

    The example below describes and illustrates the sharing of alarm information for instruments that are operating as peers in a LENS group. Example: Peer instruments with one in high alarm Instrument "Tank 1 Catwalk" and "Tank 2" are peer instruments in a LENS peer group. The Tank 1 Catwalk instrument has detected 20.0 ppm H2S, which has caused a high alarm.

  • Page 77: Indicators

    When all signals* are on, all warnings will be audible. A high-level warning will also emit red and blue light, and a lower-level warning only blue. Compared to alarms, warning signals are emitted at a lower level of intensity. Warnings persist until the issue is resolved. In some cases, an unresolved warning will cause an alarm.

  • Page 78: Resolving Failures And Errors

    Table 6.1 Warnings and indicators; causes and signal frequency Symbol Event type and description Warning Frequency (seconds) 10 s 30 s Sensor failure One or more sensors is not working. See the section below on Failures and Errors. LEL-Low O LEL and O sensors are installed and the concentration of O...

  • Page 79: Table 6.1 Failures And Errors

    When the error is described on the display screen, qualified personnel can attempt to resolve the issue. If no text accompanies the error code, contact Industrial Scientific or an authorized service center for assistance. Sensor failures and errors The display screen reproduction shown here is an example of a sensor failure screen.
  • Page 80 Table 6.1 Failures and errors The sensor failed calibration. Calibration results indicate the sensor’s span reserve percentage. When that value is less than 50%, the sensor will not pass calibration and is due for replacement. If the span reserve percentage indicates the sensor is greater than 50% check for the following: ...

  • Page 81: Maintenance

    Tones emitted from the speaker during maintenance are of a lower decibel compared to the audible alarm signals; if needed, use the alarm muffler accessory from Industrial Scientific; if used, be sure to remove the muffler before instrument operation. Guidelines ...

  • Page 82: Supplies And Preparation

     Turn off the gas cylinder. Results are indicated by the following symbols. Passed Failed ►► Skipped ─ Not relevant to the procedure. Supplies and Preparation Use Figure 7.1 as a guide to gathering supplies and preparing the calibration gas cylinders.

  • Page 83: Instruction

    Instruction Figure 7.2.A through 7.2.C provide maintenance instruction in this order: zeroing, calibration, and bump testing. Zero utility Zero progress Zero results If all sensors passed, calibration + Hold starts. If any sensor failed, the Start the utility Optionally skip zero repeats.

  • Page 84: Figure 7.2.B Calibration Instruction

    Calibration results ■ ■ Remove the calibration cup Stop the flow of gas: turn the from the gas path: slide it regulator knob in a away from the instrument clockwise direction and If needed, If needed, and set it aside or store it for tighten repeat repeat...

  • Page 85: Figure 7.2.C Bump Test Instruction

    Bump test apply gas Bump test results To start the flow of gas, turn the ■ ■ regulator's knob in a Optionally skip the If needed, If needed, counterclockwise direction. sensor repeat repeat Continue to follow the display- calibration calibration screen prompts to apply the for any for any...

  • Page 87: Service And Warranty

    All other service tasks should be performed only by Industrial Scientific or an authorized service center. Guidelines Use the following guidelines when servicing the Radius BZ1 Area Monitor.  Service tasks should be performed only by qualified personnel.

  • Page 88: Supplies

    Do not touch the top of any sensor as this can contaminate or damage a sensor. Supplies  Screwdriver set from Industrial Scientific (includes T30 and T10 torx bits)  T20 torx bit for boot replacement (supplied with replacement boot kit only)  Needle-nose tweezers Instruction Figure 8.1 provides disassembled views of the instrument, the Radius Base...
  • Page 89 Table 8.1 Parts table for SafeCore Module and Radius Base Dia- Part name Part Notes gram number Module cover assembly 18109446 Includes cover, water barrier, and screws. Torque: 0.88 newton m (125 ounce-force inch). Sensor collar 17155888 Lithium Thionyl Chloride (Li- 17156465 Clock battery.
  • Page 90 Power off the instrument before disassembling or performing any service task. Speaker grill and dust barrier service Speaker grill removal Speaker dust barrier replacement (if needed) Use the supplied screwdriver Holding the edge of the grill, Peel off the dust barrier and set to remove all four pull it away from the Radius discard it.
  • Page 91 Pump inlet water barrier replacement — Hold the water barrier at the Align the replacement water barrier with the air inlet; turn connector. Turn it clockwise to tighten. counterclockwise and pull to revmove it. Port cap replacement (charging port cap shown) Open the charging port by Gently pull on the cap to To attach the replacement...

  • Page 92: Figure 8.2 Service Tasks, Radius Base

    — Align the screw holes and Replace and tighten the place the new boot on the screws. Refer to Table 8.1 for base. torque value. Figure 8.2 Service tasks, Radius Base Power off the instrument before disassembling or performing any service task. Module removal —...

  • Page 93: Battery Replacement

    Sensor replacement Do not touch the top of any sensor as this can contaminate or damage the item. Firmly hold the sides of the Position the new sensor to Place the sensor on the sensor, then pull it straight align with its connectors on circuit board.

  • Page 94: Figure 8.3 Service Tasks, Safecore Module

    Module assembly and module cover (includes dust filter) replacement Hold the sensor collar by the To reattach (or replace) the module cover, hold the cover by edges. Align and lower the the edges and align it with the module; then, lower it onto collar into the module.

  • Page 95: Warranty

    (including negligence), strict liability, products liability or any other theory of liability, will be limited to the lesser of Buyer’s actual damages or the price paid to Industrial Scientific for the Products that are the subject of Buyer’s claim. All claims against Industrial Scientific must be brought...
  • Page 96 Buyer expressly waives any longer statute of limitations. It shall be an express condition to Industrial Scientific’s warranty that all products be carefully inspected for damage by Buyer upon receipt, be properly calibrated for Buyer’s particular use, and be used, repaired, and...

  • Page 97: Supplemental Information About Gases And Sensors

    Appendix A Supplemental Information about Gases and Sensors Cross Sensitivity and Toxic Gases A sensor is designed to detect for and measure the presence of a particular gas, the "target gas"; however, it may also respond to other gases. When this is the case, the sensor is said to have "cross-sensitivity"...

  • Page 98: Lel And Combustible Gases

    Table A.1 Cross-sensitivity guidelines (%) Sensor CO/H Target Gas 0.08 The values supplied above are estimates. They generally apply only to new sensors used for monitoring gases in these environmental conditions: 20 °C (68 °F), 50% RH, and 1 atm. Values are subject to change.
  • Page 99 Table A.2 LEL correlation factors Calibration gas Sample Pen- Butane Hexane Methane Propane vol) drogen tane Hydrogen 4.0% 0.56 0.33 1.00 0.94 0.47 0.58 Isopropanol 2.0% 1.10 0.90 2.00 1.90 1.00 1.20 Methane 5.0% 0.60 0.35 1.06 1.00 0.50 0.62 Methanol 6.0% 0.60...

  • Page 100: Supplemental Information About The Intrinsic Safety External Power Supply

    Appendix B Supplemental information about the Intrinsic Safety External Power Supply Figure B.1.A Drawing 1810D9387-200 (left)

  • Page 101: Figure B.1.B Drawing 1810D9387-200 (Right)

    Figure B.1.B Drawing 1810D9387-200 (right)

  • Page 104: Contact Information

    Vertriebshändler unserer Produkte oder ein Servicecenter bzw. eine Niederlassung von Industrial Scientific zu finden. Para buscar un distribuidor local de nuestros productos o un centro de servicio u oficina comercial de Industrial Scientific, visite www.indsci.com. 如需查找就近的产品经销商或 Industrial Scientific 服务中 心或业务办事处，请访问我们的网站 www.indsci.com...

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