BW Technologies GasAlertMicro 3 User Manual

H2s, co, o2, so2, combustibles gas detectors
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GasAlertMicro
H 2 S, CO, O 2 , SO 2 , Combustibles
1, 2, 3 and 4 Gas Detectors
User Manual

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Summary of Contents for BW Technologies GasAlertMicro 3

  • Page 1 GasAlertMicro H 2 S, CO, O 2 , SO 2 , Combustibles 1, 2, 3 and 4 Gas Detectors User Manual...
  • Page 2 Limited Warranty & Limitation of Liability BW Technologies Ltd. (BW) warrants this product to be free from defects in material and workmanship under normal use and service for a period of two years, beginning on the date of shipment to the buyer. This warranty extends only to the sale of new and unused products to the original buyer. BW’s warranty obligation is limited, at BW’s option, to refund of the purchase price, repair, or replacement of a defective product that is returned to a BW authorized service...
  • Page 3: Table Of Contents

    Table of Contents Title Page Introduction............................1 Contacting BW Technologies........................ 2 Safety Information - Read First ......................2 Getting Started ............................6 Activating the Detector ........................10 Self-Test..........................10 Self-Test Pass ........................11 Self-Test Fail........................12 Battery Test.......................... 12 Datalogger Operation ......................12 Deactivating the Detector........................
  • Page 4 GasAlertMicro Users Manual Set Span Concentration Values ..................18 STEL Calculation Period......................19 “Stealth Mode” ........................19 Change the Date and Time....................20 Adjust Datalogger Sampling Rate ..................20 Alarms .............................21 Gas Exposures Computed....................24 Viewing Gas Exposures.......................24 Gas Alarm Setpoints ......................25 Resetting Gas Alarm Setpoints....................25 Stopping a Gas Alarm......................26 Sensor Alarm ........................26 Low Battery Alarm........................26...
  • Page 5 Verification (optional)...................... 33 Maintenance............................34 Replacing the Batteries ....................... 34 Replacing a Sensor or Sensor Filter ................... 36 Installing the MultiMediaCard (MMC) .................. 38 If the Detector Does Not Work ......................39 Replacement Parts and Accessories....................42 Specifications ............................44 Appendix A ............................
  • Page 6 GasAlertMicro Users Manual Printing: Printing the data ....................55 Security: Locking or protecting the data .................56 Customization: Calculating long-term average exposures..........56 Importing the Data File Into Compatible Desktop Applications ...........56 Determining Application Compatibility .................56 MultiMediaCard Compatibility ......................61 MultiMediaCard Troubleshooting ......................61 Recovering Data Files ......................61...
  • Page 8 GasAlertMicro Users Manual List of Tables Table Title Page Gases Monitored........................1 International Symbols ......................5 GasAlertMicro Detector ......................7 Display Elements ........................8 Pushbuttons ...........................9 Alarms ..........................21 Computed Gas Exposures....................24 Gas Alarm Setpoints ......................25 Sample Factory Set Alarm Setpoints...................25 Applying Gas to the Sensors ....................28 Replacing the Batteries......................35 Replacing a Sensor or Sensor Filter..................36 Troubleshooting Tips ......................39...
  • Page 9 List of Figures Figure Title Page GasAlertMicro Detector ......................7 Display Elements ........................8 Applying Gas to the Sensors ....................28 Replacing the Batteries ....................... 35 Replacing a Sensor or Sensor Filter ................... 37 Installing the MultiMediaCard (MMC) .................. 38...
  • Page 10 GasAlertMicro Users Manual...
  • Page 12 GasAlertMicro (2 Gas) Detector (CO, O GAMIC-W GasAlertMicro (1 Gas) Detector (*Combustibles) GAMIC-H GasAlertMicro (1 Gas) Detector (H GAMIC-M GasAlertMicro (1 Gas) Detector (CO) GAMIC-X GasAlertMicro (1 Gas) Detector (O For other gas combinations please contact BW Technologies . See “P.2”.
  • Page 13: Introduction

    GasAlertMicro Introduction Table 1. Gases Monitored Gas Detected Unit of Measure a Warning To ensure your personal safety, read “Safety Hydrogen Sulfide (H parts per million (ppm) Information” before you use the detector. Carbon Monoxide (CO) parts per million (ppm) The GasAlertMicro gas detector (“the detector”) warns of Oxygen (O percent by volume (%)
  • Page 14: Contacting Bw Technologies

    Safety Information - Read First Contacting BW Technologies Use the detector only as specified in this manual, otherwise To contact BW Technologies, call: the protection provided by the detector may be impaired. 1-888-749-8878 USA International symbols used on the detector and in this 1-800-663-4164 Canada manual are explained in Table 2.
  • Page 15 ⇒ Do not use the detector if it is damaged. Before you use the detector, inspect the case. Look for cracks or missing parts. ⇒ If the detector is damaged or something is missing, contact BW Technologies immediately. See “Contacting BW Technologies”.
  • Page 16 GasAlertMicro Users Manual a Cautions (cont.) ⇒ The combustible sensor is factory calibrated to 50% LEL methane. If monitoring a different combustible gas in the % LEL range, calibrate the sensor using the appropriate gas. High off-scale % LEL or % v/v methane readings may indicate an explosive concentration.
  • Page 17 ⇒ Do not attempt to disassemble, adjust or service the detector unless instructions for that procedure are contained in the manual and/or that part is listed as a replacement part. Use only BW Technologies replacement parts. ⇒ Do not immerse the detector in liquids.
  • Page 18: Getting Started

    GasAlertMicro Users Manual The detector comes with sensors installed. The Getting Started “Maintenance” section describes how to install the batteries. The items listed below are included with your detector. If the To become familiar with the features and functions of the detector is damaged or something is missing, contact the detector, study the following figures and tables: place of purchase immediately.
  • Page 19 GasAlertMicro Getting Started Table 3. GasAlertMicro Detector Item Function Audible Alarm Visual Alarm Bars Sensors Pushbuttons Display Battery Holder Datalogger (optional) Alligator Clip Figure 1. GasAlertMicro Detector...
  • Page 20 GasAlertMicro Users Manual Table 4. Display Elements Item Function Alarm Condition Battery Button Indicator Clock Gas Identifier Bars Optional Datalogger Card Indicator Automatically Zero Sensor Gas Cylinder Automatically Span Sensor Pass Code Lock Real Time Calendar (Date, Month, Year) Alarm Condition (Low, High TWA, STEL or Multi-gas) or view TWA, STEL and Maximum Gas Exposures Figure 2.
  • Page 21 GasAlertMicro Getting Started Table 5. Pushbuttons Pushbutton Description • To turn on the detector, press A. • To turn off the detector, press A and hold for 5 seconds. • To activate or deactivate the confidence beep, press and hold C then press A at startup. ON/OFF •...
  • Page 22: Activating The Detector

    GasAlertMicro Users Manual Activating the Detector ⇒ To activate the detector, press A in a normal atmosphere (20.9% Oxygen). Self-Test The detector performs the actions in steps 1-9. Manually, check that all actions occur. Note: If battery power is low LOW flashes, the display reads .
  • Page 23: Self-Test Pass

    GasAlertMicro Activating the Detector Note: If the detector has recently failed a bump test in the MicroDock Test and Calibration Station the display will read Note: bunp test hAS FailEd . Press C to acknowledge the warning. BW recommends that you retest the detector.
  • Page 24: Self-Test Fail

    GasAlertMicro Users Manual Deactivating the Detector The detector starts recording the maximum gas exposure and calculating the STEL (short-term exposure level) and ⇒ To turn off the detector, press A and hold for 5 seconds. TWA (time-weighted average) exposures. If the SAFE display is activated, SAFE will scroll across the screen.
  • Page 25: Confidence Beep

    GasAlertMicro Confidence Beep Enable or disable latching alarms. Confidence Beep Enable or disable “SAFE” display mode. The Confidence Beep tells you the detector is on and the Combustible sensor measuring selection: %LEL or batteries have sufficient power to respond to a hazardous % by volume.
  • Page 26: Latched Alarms Function

    GasAlertMicro Users Manual To enable the latched alarm function, press C when the display advises Latchin Alarms The display will advise latched To choose the desired options, press H or G. Press C to alarm function is (activated). select the option. Note: To quickly scroll through the options press and hold H or G.
  • Page 27: Combustible Sensor Measuring Selection

    GasAlertMicro User Option Menu To enable the Safe Display function, press C when the screen To change the combustible reads SAFE dISPLAY sensor’s units, press C when the display reads LEL Sen Units The screen will then advise that the The screen then advises that LEL Safe Display function is activated.
  • Page 28: Language Selection

    GasAlertMicro Users Manual Language Selection The display then advises the H sensor is The detector is shipped with English as the displayed language. Multiple languages are available. To choose the desired language, press H or G. Press C to select the new language.
  • Page 29: Pass Code Protection

    GasAlertMicro User Option Menu Unit Please Enter Enter Pass Code Protection Locked Code Pass Code The detector is shipped with Pass Code Protection off. Pass Code Protection prevents the user access to the User Option Menu and the Calibration menu (after Auto Zero). The key icon is lit on a pass code protected unit.
  • Page 30: Automatic Oxygen Calibration Enable Or Disable

    GasAlertMicro Users Manual Automatic Oxygen Calibration Enable or Disable Set Span Concentration Values The detector is shipped with the Automatic Oxygen Span concentration values can be modified. Calibration at start up enabled. Note: BW recommends that Span Concentration values be set between specific ranges.
  • Page 31: Stel Calculation Period

    GasAlertMicro User Option Menu “Stealth Mode” STEL Calculation Period The detector is shipped with Stealth Mode disabled. Stealth The detector is shipped with the STEL calculation period set Mode disables the speakers, backlight and alarm LEDs. to 15 minutes. The period can be adjusted between 5 and 15 minutes.
  • Page 32: Change The Date And Time

    GasAlertMicro Users Manual Change the Date and Time Adjust Datalogger Sampling Rate Time and date adjustments apply only to detectors equipped The detector is shipped with the datalogger set to record a with a User Downloadable Datalogger. sample every 5 seconds. The sample rate can be adjusted between 1 and 127 seconds.
  • Page 33: Alarms

    GasAlertMicro Alarms Alarms During an alarm condition, the detector activates the backlight and the display shows the current ambient gas Table 6 describes the detector alarms and shows how the reading. display looks for each alarm. If more than one type or level of alarm exists at the same Table 7 describes the computed gas exposures.
  • Page 34 GasAlertMicro Users Manual Table 6. Alarms (cont.) Alarms Display Alarms Display STEL Alarm: TWA Alarm: • Fast modulating tone and • Slow modulating tone and flash flash • L and target gas bar • L and target gas bar flash flash •...
  • Page 35 GasAlertMicro Alarms Table 6. Alarms (cont.) Alarms Display Alarms Display Automatic Shutdown Normal Shutdown: Alarm: • 4 beeps and flashes • 8 beeps and flashes • Vibrator Alarm • LOW displays temporarily activates periodically • Vibrator Alarm temporarily activates Low Battery Alarm: (Confidence Beep disabled) •...
  • Page 36: Gas Exposures Computed

    GasAlertMicro Users Manual Gas Exposures Computed a Warning To avoid possible personal injury, do not turn off the detector during a work shift. TWA and STEL readings reset if the detector is left off for more than 5 minutes. Table 7. Computed Gas Exposures The display then shows the STEL gas exposures: Gas Exposure Description...
  • Page 37: Gas Alarm Setpoints

    GasAlertMicro Alarms Resetting Gas Alarm Setpoints Gas Alarm Setpoints Note: Standard factory alarm setpoints will vary by region. The detector's gas alarm setpoints trigger the gas alarms, which are described in Table 8. Table 9. Sample Factory Set Alarm Setpoints Table 8.
  • Page 38: Stopping A Gas Alarm

    GasAlertMicro Users Manual Stopping a Gas Alarm Automatic Shutdown Alarm The Low and High Alarms stop when the ambient gas level If the battery voltage is in immediate danger of dropping returns to the acceptable range. below the minimum operating voltage, the audible alarm beeps 8 times and the visual alarm flashes 8 times.
  • Page 39: Calibration And Setting Alarm Setpoints

    • CG-Q58-4 and CG-Q34-4 Calibration Gas (4-gas mix) • To disable an alarm, set its alarm setpoint to 0. are available from BW Technologies. See the section “Replacement Parts and Accessories.” • The combustible sensor is factory calibrated to 0 to 100% LEL using methane.
  • Page 40: Diagnostics Protection

    GasAlertMicro Users Manual • The detector should be allowed to stabilize for 1 minute, after activation, prior to calibration or a bump test. Diagnostics Protection The detector tests the ambient air (Auto Zero) and the test gas applied (Auto Span) to ensure it meets expected values. In Auto Zero, if any background target gas is present, the sensor(s) affected will read and exit the Auto Zero...
  • Page 41: Calibration Procedure

    GasAlertMicro Calibration and Setting Alarm Setpoints Calibration Procedure To calibrate the detector and set its alarm setpoints, perform the following: Start Calibration Note: To quit at any point after auto zero, press A. The detector retains any saved values, and the audible alarm The audible alarm then beeps once signifying that calibration beeps 4 times before the detector returns to normal has begun.
  • Page 42: Auto Span

    GasAlertMicro Users Manual Pass Code Protect: If the detector is pass code protected, Auto Span Sensor Fail after a successful Auto Zero, the detector will prompt for the pass code before proceeding to Auto Span and Alarm Setpoints. See the section “Pass Code Protection”.
  • Page 43: Alarm Setpoints

    GasAlertMicro Calibration and Setting Alarm Setpoints Alarm Setpoints the sensor. See the section “Replacing a Sensor or Sensor Filter”. Alarms may be set anywhere within the detection range for the sensor. See the section “Specifications” or set to zero for If the span adjustment is an unusually large off.
  • Page 44: Setting The Twa Alarm Setpoint

    GasAlertMicro Users Manual Setting the STEL Alarm Setpoint Note: If you do not press any pushbuttons within 10 seconds, the detector automatically retains the previous The display shows the STEL Alarm setpoint for H alarm setpoint. If you change an alarm setpoint but pause for 10 seconds before pressing C, the detector will display and reject the new value.
  • Page 45: Setting The High Alarm Setpoint

    GasAlertMicro Calibration and Setting Alarm Setpoints Setting the HIGH Alarm Setpoint The display shows the High Alarm Setpoint for H To change the calibration due date (1 to 365 days), press H or G until the display shows the new value. Press C to save the displayed value.
  • Page 46: Maintenance

    Calibrate, bump test and inspect the detector at regular a Low Battery Alarm. intervals. ⇒ Use only batteries recommended by BW Technologies to prevent damage or personal • Keep an Operations Log of all maintenance, calibrations, injury. bump tests and alarm events.
  • Page 47 GasAlertMicro Maintenance Table 11 and Figure 4 illustrate how to replace the batteries. If the detector is on, turn it off. Press the two release buttons on the detector. The battery tray pulls out and snaps in. Remove the batteries from the battery tray and replace according to the polarity markings.
  • Page 48: Replacing A Sensor Or Sensor Filter

    GasAlertMicro Users Manual Replacing a Sensor or Sensor Filter Note: Detectors that are configured for 1, 2 or 3 gases may contain a dummy sensor in one of the three sensor locations. a Warning To avoid personal injury, use only sensors specifically Re-assemble the detector.
  • Page 49 GasAlertMicro Maintenance Figure 5. Replacing a Sensor or Sensor Filter...
  • Page 50: Installing The Multimediacard (Mmc)

    GasAlertMicro Users Manual Installing the MultiMediaCard (MMC) Figure 6 illustrates how to install the MMC. If the detector is on, turn off the detector. Remove the battery tray (see Figure 4). Slide the MMC face down into the MMC port and replace the battery tray.
  • Page 51: If The Detector Does Not Work

    Batteries.” Depleted batteries. → Replace batteries. See the section Damaged or defective detector. “Replacing the Batteries.” → Contact BW Technologies (see P.2) Detector enters alarm immediately Sensor needs to stabilize. → Used sensor: wait 60 seconds when turned on. New sensor: wait 5 minutes Low Battery Alarm.
  • Page 52 GasAlertMicro Users Manual Table 13. Troubleshooting Tips (cont.) Problem Possible Cause Solution → Used sensor: wait 60 seconds Detector does not display normal Sensor not stabilized. ambient gas reading after activation New sensor: wait 5 minutes self-test. Detector requires calibration. →...
  • Page 53 “Replacing a Sensor or Sensor Filter.” Detector automatically shuts off. Automatic Shutdown feature activated → Replace batteries. See the section due to weak batteries. “Replacing the Batteries.” → Contact BW Technologies General fault (see P.2) Detector displays Internal clock has failed...
  • Page 54: Replacement Parts And Accessories

    N2-34 litre To order parts or accessories listed in Table 14, contact CG-S25 GAS-CAL SO 25PPM BAL N2 BW Technologies (see P.2) CG-BUMP-S25 SO2 bump test gas Table 14. Replacement Parts and Accessories CG-BUMP1 BUMP Alarm Gas Aerosol (CH4- Model No.
  • Page 55 GasAlertMicro Replacement Parts and Accessories Model No. Description Model No. Description GAMIC-C01-K Kit of 4 AA NiMH rechargeable GA-CH-2 Chest Harness batteries and 110 VAC 4-port GA-ES-1 Extension Strap charger, American plug type) GAMIC-TC-1 Calibration cap (standard) GAMIC-C01-K- 230 VAC 4-port charger* and (xx) 4 AA NiMH batteries GAMIC-TC-2...
  • Page 56: Specifications

    GasAlertMicro Users Manual Specifications Model No. Description ft./0.3 m probe Instrument Dimensions : 6 x 10 x 3.3 cm (2.4 x 4.0 x 1.3 in.) GA-TPROB6 Telescopic Sample Probe (6.5 Weight: 211 g (7.4 oz.) ft./2 m) Operating Temperature: -20 °C to +50 °C (-4 to +122 ºF) M2437K Battery lock screw, kit of 10 Storage Temperature: -20 °C to +50 °C (-4 to +122 ºF)
  • Page 57 GasAlertMicro Specifications Audible Alarm: 95 dB at 1 ft (0.3 m) variable pulsed dual NiMH rechargeable: beepers Quest Platinum HGAAC1800G T2 (211.4°C) Quest HG1600AACS T3 (199°C) Visual Alarm: Dual red light-emitting diodes (LED) Energizer NH15 T2D (205°C) Display: Alphanumeric liquid crystal display (LCD) Maha Powerex 1700 mAh MH-AA170 T3 (192°C) Maha Powerex 1800 mAh MH-AA180...
  • Page 58 GasAlertMicro Users Manual Battery Charger (optional): Quest™ Q2 4-port rapid NiMH MMC Card Test: Automatically on activation battery charger with country-specific mains adapter GasAlertMicro with User Downloadable First-time Charge: 1-4 hours per battery Datalogger Normal Charge: 1 hour per battery Operation: Requires no user intervention (automatic) Approvals: Approved by CSA to both U.S.
  • Page 59: Excel Datalog Manager (E.d.m.)

    The Support CD for the User Downloadable Datalogger Pentium (or equivalent), 30 MB free hard disk space, Detectors contains: Windows 95, Microsoft® Excel 95 • BW Technologies’ Excel Datalog Manager (E.D.M.) Sample Data Files software plug-in. • Installation and Use instructions Sample data is available on CD.
  • Page 60: Installing Excel Datalog Manager (E.d.m.)

    • PCMCIA (PC card) adapters. After setup is complete and you have restarted your computer, you will find a new item, called BW Technologies, listed in your start menu. This item contains: • E.D.M. Help – (Use instructions & Help information) •...
  • Page 61: Start Excel Datalog Manager

    GasAlertMicro Excel Datalog Manager (E.D.M.) Start Excel Datalog Manager 2. File Location: Click “‘Browse”’ to locate your data file. Once located, highlight the file and click “‘Open’,” then Double click on the E.D.M. icon on “‘Next”’ to move to the next option. the desktop to start the Excel Datalog Manager Wizard.
  • Page 62 GasAlertMicro Users Manual 3. Archive Back-up of Data File: 4. Location of Final File: Use this step to select the location of the finished Excel data workbook. The data file will be This option enables you to create a complete backup copy of sorted, imported into Excel, formatted, and saved as an the original card data.
  • Page 63 GasAlertMicro Excel Datalog Manager (E.D.M.) 5. Filter: This step allows the user to filter the original files ALL Records involving alarm conditions, failures, down to a convenient, manageable size without losing any calibrations, battery warnings or other important events will critical information.
  • Page 64: Workbook Features And Functions

    GasAlertMicro Users Manual Type and order of displayed data E.D.M. Workbook Features and Functions Data is presented in chronological order by date. The day of the week and the instrument serial number is also presented, The customized Excel workbook created by the E.D.M. followed by the instantaneous gas readings and time wizard provides the datalogger data in a preformatted layout.
  • Page 65: Working With The Data

    GasAlertMicro E.D.M. Workbook Features and Functions Changing or removing the preformatted cell color- flash memory, and of the nature of the datalogger operation. coding The card will generally contain data from the previous 300 hours of operation. Gas readings are color-coded according to alarm conditions. If you wish to remove change or the color coding, select the In some cases, depending on use, the data file may contain ‘Conditional formatting’...
  • Page 66: Filtering: Restricting The Viewed Data By Date, Gas Reading Or Status Code

    GasAlertMicro Users Manual Filtering: Restricting the viewed data by date, gas Examples: reading or status code • To restrict by date: Choose ‘Custom’ from the date & Data managers often wish to view only events that occur time header. In the dialog box that appears, click on the within a specific time frame, exceed a certain gas or down arrow icon for the top left-hand box, and select ‘is accumulated TWA level, or some other particular set of...
  • Page 67: Charting: Manually Charting The Data

    GasAlertMicro E.D.M. Workbook Features and Functions Examples To chart a section of data, use the data filters (described above) to restrict the data display to the section or type of • To chart data over a date range: use the filter on the date data you are interested in.
  • Page 68: Security: Locking Or Protecting The Data

    GasAlertMicro Users Manual Security: Locking or protecting the data Data for user-accessible models is comma-separated- values (CSV) format. The data order is: Excel incorporates security features that allow spreadsheet • Date, day, time data to be locked against accidental or deliberate alteration, •...
  • Page 69 GasAlertMicro E.D.M. Workbook Features and Functions • Open desired application. STEL alarm • Use the applications “File/Open “ menu options to Dual alarm (Low and STEL alarms) locate and open the data file. Dual alarm (High and STEL alarms) If the recorded data file is compatible with the application, it will open.
  • Page 70 GasAlertMicro Users Manual Alarm Status Codes Low Alarm High Alarm TWA Alarm Multi-gas Alarm Calibration Manual Shutdown Automatic Shutdown Self-test Fail Real-time Clock Failure Note: TWA readings greater than 99 are recorded as OL.
  • Page 71 GasAlertMicro E.D.M. Workbook Features and Functions When datalogger information is imported into most Note: Some compatible software packages have an internal spreadsheet software, it will appear similar to the example file size limit of and may not load the entire file. Check your below;...
  • Page 72 GasAlertMicro Users Manual Line 10 shows H S, CO and combustibles (0-100% LEL) in In this example: low alarm. Oxygen is less than 20.9% but within acceptable Line 1 shows the TWA alarm setpoints (code ‘3’) for H S and range.
  • Page 73: Multimediacard Compatibility

    When purchasing additional MultiMediaCards, CARD IS BLANK , then the detector will proceed to auto- BW Technologies recommends MMC Flash Memory cards format the MMC card. that contain between 32 MB and 128 MB storage capacity. Recovering Data Files MultiMediaCard(s) compatible with the “MMC“...
  • Page 74 GasAlertMicro Users Manual • Insert the MMC card back into the detector. The display will then read Note: Card cannot be used Pull out card to continue . Insert a new • Allow the detector to reformat the MMC card. card or erase the data.
  • Page 76 D2067/3 English iERP: 115021 © 2002 BW Technologies. All rights reserved. Printed in Canada. All product names are trademarks of their respective companies.

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