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GasAlert Extreme

User Manual

28

Computed Gas Exposures

a

Warning

To avoid possible personal injury, do not deactivate the detector
during a work shift. The detector automatically resets the TWA,
STEL, and MAX gas exposures during start-up. If the detector is
reactivated during a work shift, the new values will not reflect the
entire work shift.

Table 7. Computed Gas Exposures

Viewing Gas Exposures

Toxic Gases

1. Press

C

and

D

simultaneously. The LCD displays the TWA

gas exposure first.

2. Then the LCD displays the STEL gas exposure.

3. Then the LCD displays the MAX gas exposure.

Oxygen

For oxygen detectors, press

C

and

D

simultaneously to view both the

maximum low and maximum high levels of oxygen exposure.

Gas Exposure

Description

TWA

Time-weighted average based on an
8-hour workday.

Accumulated value.

STEL

Short-term exposure limit (STEL) to
gas based on a 15-minute period.

Accumulated value.

MAX*

Maximum (MAX) concentration
encountered during a work shift.

*For oxygen, it is the highest or the lowest value from
20.9% encountered.

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Содержание GasAlert Extreme

Страница 1: ......

Страница 2: ...any other applicable recommendations of BW b the buyer promptly notifying BW of any defect and if required promptly making the product available for correction No goods shall be returned to BW until receipt by the buyer of shipping instructions from BW and c the right of BW to require that the buyer provide proof of purchase such as the original invoice bill of sale or packing slip to establish th...

Страница 3: ... Test Fail 12 Deactivating the Detector 13 Confidence Beep 13 User Options Menu 14 Exit 15 Clock Option 15 Passcode Protection Option 16 Enable Passcode Protection 16 Disable Passcode Protection 17 Deactivation Passcode Protection 17 Stealth Mode Option 18 Automatic Backlight Option 19 Latching Alarm Option 19 Automatic Oxygen O2 Calibration Option 20 Calibration Past Due Option 21 Languages 21 ...

Страница 4: ...ers 25 EVNT Transfer 25 Unsuccessful Transfer 25 Alarms 26 Computed Gas Exposures 28 Viewing Gas Exposures 28 Toxic Gases 28 Oxygen 28 Gas Alarm Setpoints 29 Stopping a Gas Alarm 29 Clearing Gas Exposures 30 Resetting Gas Alarm Setpoints 30 Sensor Alarm 30 Low Battery Alarm 31 Automatic Shutdown Alarm 31 Calibration and Setting Alarm Setpoints 32 Guidelines 32 Test Cap 33 Calibration 34 Start Cali...

Страница 5: ...g the STEL Alarm Setpoint 38 Setting the Low Alarm Setpoint 38 Setting the High Alarm Setpoint 39 Verification 39 Datalog and Event Log 40 Datalog 40 Event Log 40 Maintenance 41 Replacing the Battery or Sensor 43 Replacing the Battery 43 Replacing the Sensor 43 Cleaning a Sensor Screen 44 Clearing a Sensor 45 Troubleshooting 46 Replacement Parts and Accessories 49 Specifications 50 General Specifi...

Страница 6: ...GasAlert Extreme User Manual ...

Страница 7: ...Detector 6 4 Display Elements 7 5 Pushbuttons 8 6 Alarms 26 7 Computed Gas Exposures 28 8 Gas Alarm Setpoints 29 9 Factory Alarm Setpoints 30 10 Test Cap 33 11 Replacing the Battery or Sensor 41 12 Rear Shell Seal 42 13 Front Shell Seal 42 14 Troubleshooting Tips 46 15 Replacement Parts and Accessories 49 ...

Страница 8: ...GasAlert Extreme User Manual ...

Страница 9: ...List of Figures Title Figure Page 1 GasAlert Extreme Detector 6 2 Display Elements 7 3 Test Cap 33 4 Replacing the Battery or Sensor 41 5 Rear Shell Seal 42 6 Front Shell Seal 42 ...

Страница 10: ...GasAlert Extreme User Manual ...

Страница 11: ...GasAlert Extreme Models Model Gas Monitored GasAlert Extreme O2 Oxygen by volume GasAlert Extreme CO Carbon monoxide ppm Low H2 sensitivity GasAlert Extreme CO Carbon monoxide ppm GasAlert Extreme H2S Hydrogen sulfide ppm High range Model Gas Monitored GasAlert Extreme H2S Hydrogen sulfide ppm GasAlert Extreme PH3 Phosphine ppm GasAlert Extreme SO2 Sulfur dioxide ppm GasAlert Extreme Cl2 Chlorine ...

Страница 12: ...ologies by Honeywell s website at www gasmonitors com ISO 9001 Safety Information Read First Use the detector only as specified in this manual otherwise the protec tion provided by the detector may be impaired International symbols used on the detector and in this manual are explained in Table 2 Read the Warnings and Cautions on the following pages before using the detector cNote This instrument c...

Страница 13: ...rms Ensure the sensor screen is not blocked If the detector is damaged or parts are missing contact BW Technologies by Honeywell immediately If the detector has been disassembled ensure the front and rear shells are properly aligned and fastened before acti vating the detector Refer to Maintenance Periodically test the sensor s response to gas by exposing the detector to a targeted gas concentrati...

Страница 14: ...art is listed as a replacement part Use only BW Technologies by Honeywell replace ment parts Refer to Replacement Parts and Accessories The detector warranty will be voided if customer personnel or third parties damage the detector during repair attempts Non BW Technologies by Honeywell repair service attempts void this warranty Symbol Meaning h Classified to both U S and Canadian Safety standards...

Страница 15: ...l NH3 sensor GasAlert Extreme NH3 model NH3 sensor high range GasAlert Extreme NO2 model NO2 sensor GasAlert Extreme HCN model HCN sensor GasAlert Extreme ETO model ETO sensor GasAlert Extreme ClO2 model ClO2 sensor GasAlert Extreme O3 model O3 sensor GasAlert Extreme NO model NO sensor Test cap and hose The detector is shipped with the battery and sensor installed To order replacement sensors and...

Страница 16: ...sAlert Extreme Detector Table 3 GasAlert Extreme Detector Item Description 1 Visual alarm indicators LEDs 2 Liquid crystal display LCD 3 Pushbuttons 4 Audible alarm 5 Sensor and sensor screen 6 Infrared IR communication port 7 Alligator clip ...

Страница 17: ...the backlight option enabled The backlight does not operate when stealth mode is enabled Table 4 Display Elements Item Description 1 Numeric value 2 Gas cylinder 3 Automatically span sensor 4 Passcode lock 5 Set alarm setpoints and user options 6 Maximum gas exposure 7 Alarm conditions 8 Battery 9 Data transmission 10 Alarm or alarm setpoint 11 Automatically zero sensor 12 Optional datalogger indi...

Страница 18: ...ntered to deactivate the detector For more information refer to Deactivation Passcode Protection E To decrement the displayed value or to scroll down press E To enter the user options menu press E and D simultaneously and hold until OPTN and then EXIT displays 5 seconds To initiate calibration and set alarm setpoints press and hold E and C simultaneously until CAL displays D To increment the displ...

Страница 19: ...s 2 Alarm Function Test The detector beeps the LEDs flash the backlight activates briefly and the detector vibrates 3 Battery Test The detector tests the batteries If the battery volt age is too low to continue the detector performs an automatic shutdown Refer to Automatic Shutdown Alarm 4 Date and Time The LCD displays the date and time automati cally in the following order To adjust the date or ...

Страница 20: ...type of gas the detector is manufactured to monitor Refer to Table 1 for the type of gases monitored If the battery is low the LCD displays the low battery icon and the self test continues 7 TWA Alarm Setpoint The LCD displays the TWA alarm set point Note The TWA alarm setpoint screen does not apply to O2 detectors 8 STEL Alarm Setpoint The LCD displays the STEL alarm set point Note The STEL alarm...

Страница 21: ... Due Disabled If the detector is not pass code protected and after the CAL PAST message is acknowl edged the detector continues the self test and then enters normal operation Calibration Past Due Enabled If the detector is passcode protected and when CAL PAST displays press C to acknowledge the message and to access the PASS screen If required refer to Passcode Protection Option Press D or E to sc...

Страница 22: ...uing operation For information regarding bump tests refer to the MicroDock ll User Manual Self Test Pass If the detector passes the self test it enters normal operation The LCD displays the ambient gas reading The detector begins recording immediately It records the maximum MAX gas exposure the short term exposure levels STEL and calculates the time weighted average TWA Self Test Fail If the detec...

Страница 23: ... The confidence beep provides continuous confirmation that the detector is operating properly When the confidence beep is enabled the detector beeps every 5 seconds The confidence beep can be enabled or disabled during start up Note The detector is shipped with the confidence beep disabled Enabling the confidence beep decreases battery life To enable disable the confidence beep complete the follow...

Страница 24: ...otected the following screen dis plays 2 Press D or E to scroll to the required passcode Press C to confirm the selection and access the EXIT screen Note If the passcode is not confirmed within 10 seconds NO dis plays and the detector returns to normal operation 3 From the EXIT screen press D or E to scroll through the user options 4 Press C to select a displayed option Note As a safety precaution...

Страница 25: ...o scroll to the required year and press C to confirm the selection Or To bypass the year press C to retain the current value and automatically proceed to the month screen 4 Repeat step 3 for the remaining date time changes 5 Press D or E to select another option or press C to exit the user options menu and return to normal operation Note The time and date values can only be changed in the order th...

Страница 26: ... protection option can be enabled or disabled Note The detector is shipped with the passcode protection option disabled Enable Passcode Protection To enable passcode protection complete the following Note The passcode is provided on a separate card inside the ship ping container 1 From the EXIT screen of the user options menu press D or E to scroll to the PASS option 2 Press C to select the option...

Страница 27: ...tection option is enabled dis abled use D and E to toggle between the ON and OFF options Display the desired option and press C to confirm the selection The LCD returns to the EXIT screen 5 Press D or E to select another user option or press C to exit the user options and return to normal operation Note If a passcode value is not selected or confirmed by pressing C within 10 seconds NO displays an...

Страница 28: ...t Only the vibrator alarm remains enabled Note The detector is shipped with stealth mode disabled To enable disable the stealth mode complete the following 1 From the EXIT screen press D or E to scroll to the STLH option 2 Press C to select the option The LCD flashes either ON or OFF 3 Press D or E to toggle between the ON OFF options Ensure the desired option is displayed and press C to confirm t...

Страница 29: ... ON OFF options Ensure the desired option is displayed and press C to confirm the selection The LCD returns to the EXIT screen 4 Press D or E to scroll to a new user option or press C to exit and return to normal operation Note If the option is not confirmed by pressing C within 10 seconds the detector returns to normal operation Latching Alarm Option The latch alarm LTCH option ensures that an al...

Страница 30: ...ensure the detector is activated in safe area in normal 20 9 oxygen atmosphere This option enables disables the automatic oxygen O2 calibration The O2 calibration begins automatically during start up after the calibration due screen displays Note The detector is shipped with the automatic O2 calibration option disabled To enable disable the automatic O2 calibration option complete the fol lowing 1...

Страница 31: ...ed option is displayed and press C to confirm the selection The LCD returns to the EXIT screen 4 Press D or E to scroll to a new user option or press C to exit and return to normal operation Note If the option is not confirmed by pressing C within 10 seconds the detector returns to normal operation Languages The LCD can display text in five different languages Refer to the follow ing language opti...

Страница 32: ... DEUT option enables the LCD to display text in German Note If the multi language option is included the detector is shipped with English selected as the default language 1 From the EXIT screen of the user options menu press D or E to scroll to the DEUT option 2 Press C to select the option The LCD then displays the Ger man exit screen 3 Press D or E to scroll to a new user option or press C to ex...

Страница 33: ...then displays the English exit screen 3 Press D or E to scroll to another user option or press C to exit and return to normal operation Datalogger Sampling Rate Option The datalogger sampling rate RATE option defines how often the detector records a datalog The datalogger sampling rate ranges from 1 to 60 seconds Note The detector is shipped with a datalogging sampling rate of 5 seconds To adjust ...

Страница 34: ...BW accessory to the detector and the PC Refer to the IR DataLink Instruction Sheet 2 From the EXIT screen of the user options menu press D or E to scroll to the SEND option 3 Press C to select the option and to access the data transfer option screens 4 Select one of the following options to transfer data 5 When the data transfer is complete the detector beeps and vibrates and the LEDs flash The LC...

Страница 35: ...selected the event logs transfer immediately and the LCD displays the EXIT screen Unsuccessful Transfer If the connection between the detector and the IR DataLink is discon nected during a transfer FAIL displays The LCD then displays the EXIT screen 1 From the PC save the previously transferred data to ensure that it will not be deleted 2 Repeat steps 3 5 of the Data Transfer Option 3 From the det...

Страница 36: ...y Alarm Display Low Alarm Slow beep Slow flash ALARM flashes Slow vibrations TWA Alarm Slow beep Slow flash ALARM flashes Slow vibrations High Alarm Fast beep Fast flash ALARM flashes Fast vibrations STEL Alarm Fast beep Fast flash ALARM flashes Fast vibrations Sensor Alarm Slow beep Slow flash ALARM flashes Slow vibrations Low Battery Alarm One beep and one flash every 5 seconds and one quick vib...

Страница 37: ...centration is below the alarm setpoint and the alarms have been acknowledged by pressing C The TWA and STEL alarms deactivate by clearing the TWA and STEL peak exposure Refer to Clearing Gas Exposures Alarm Display Alarm Display Automatic Shutdown Alarm Low battery Eight beeps flashes and vibrations LOW displays Automatic Shutdown Alarm Calibration past Eight beeps flashes and vibrations Automatic...

Страница 38: ...ess C and D simultaneously The LCD displays the TWA gas exposure first 2 Then the LCD displays the STEL gas exposure 3 Then the LCD displays the MAX gas exposure Oxygen For oxygen detectors press C and D simultaneously to view both the maximum low and maximum high levels of oxygen exposure Gas Exposure Description TWA Time weighted average based on an 8 hour workday Accumulated value STEL Short te...

Страница 39: ...L peak exposures Refer to Clearing Gas Exposures or deactivating the detector and reactivating it again If the detector is passcode protected to prevent deactivation refer to Deactivation Passcode Protection a Caution Follow all safety procedures as defined by your employer Confirm with your supervisor before clearing TWA and STEL alarms Alarm Condition Low alarm Toxic gases Ambient gas level abov...

Страница 40: ...able an alarm set the alarm setpoint to 0 The ETO sensor is extremely cross sensitive and it responds strongly to CO Table 9 Factory Alarm Setpoints Sensor Alarm The detector tests for a missing or defective sensor during the activation self test Refer to Troubleshooting Gas TWA STEL Low High O2 N A N A 19 5 vol 22 5 vol CO low H2 35 ppm 200 ppm 35 ppm 200 ppm CO 35 ppm 200 ppm 35 ppm 200 ppm H2S ...

Страница 41: ...attery in only a safe area free of hazardous gas Automatic Shutdown Alarm There are two situations when an automatic shutdown alarm occurs 1 If the battery voltage is in immediate danger of falling below the minimum operating voltage the detector beeps and vibrates eight times and the LEDs flashes eight times After 3 seconds the LCD deactivates and the detector deactivates The LCD periodically dis...

Страница 42: ...the ETO detector To ensure accurate calibration BW recommends using a pre mium grade calibration gas approved by the National Institute of Standards and Technology NIST Do not use a gas cylinder beyond its expiration date Before calibrating a new NO or ETO sensor allow the sensor to stabilize for 2 hours in a safe area that is free of hazardous gas Calibrate a new sensor before use Allow the senso...

Страница 43: ... hose are shipped with the detector for calibra tion Refer to Table 10 and Figure 3 for installation information Note Only use the calibration cap during calibration Table 10 Test Cap Figure 3 Test Cap Item Description 1 Test cap 2 Hose 3 Regulator 4 Gas cylinder ...

Страница 44: ...function automatically zeroes the detector 2 The LCD flashes while the detector automatically zeroes the sensor When the auto zero is complete the detector beeps twice Note Do not apply the calibration gas until the LCD displays the flashing gas cylinder icon otherwise the detector auto zero will fail Auto Zero Fail If the sensor fails auto zero the following screen displays The detector then bypa...

Страница 45: ...the pass code is incorrect NO displays The detector then beeps four times and automatically returns to normal operation Set Span Note To bypass the set span function press C to automatically pro ceed to the span screen The set span function inputs a new calibration gas concentration value 4 Set SPAN flashes Press D or E to scroll to the required gas concentration The detector value must match the ...

Страница 46: ...etector beeps once 9 The detector then begins spanning the sensor as follows NH3 Cl2 ClO2 O3 and ETO 5 minutes to span O2 30 seconds to span other gases 2 minutes approximately to span The detector beeps three times when the span is complete Successful Span If the span is successful the LCD automatically displays the calibration due date screen Unsuccessful Span If the detector fails to span a sen...

Страница 47: ...rm setpoint screen Note If a new value is selected but not confirmed within 10 seconds by pressing C the detector automatically retains the original value and NO displays The detector proceeds to the TWA alarm setpoint Setting the TWA Alarm Setpoint Note To bypass and retain the current TWA alarm setpoint value press C The detector automatically proceeds to the STEL alarm setpoint When the CAL DUE...

Страница 48: ... detector automatically retains the original value and NO displays The detector proceeds to the low alarm setpoint Setting the Low Alarm Setpoint Note To bypass and retain the current low alarm setpoint value press C The detector automatically proceeds to the high alarm setpoint When the STEL alarm setpoint value has been changed or bypassed the Set LOW alarm setpoint screen displays 16 Press D or...

Страница 49: ...ue and NO displays The detector proceeds to normal oper ation When calibration is complete the detector beeps and vibrates four times and the LEDs flash four times before returning to normal opera tion Verification 1 After calibration is complete and the detector is in normal opera tion verify calibration by using a gas cylinder other than the one used for calibration 2 The gas concentration shoul...

Страница 50: ...nitors Current gas reading Sensor status Detector status Passcode protect enabled disabled STEL period setting fixed to a 15 minute period Confidence beep enabled disabled Automatic backlight enabled disabled Stealth mode enabled disabled Latching alarm enabled disabled Calibration past due user option enabled disabled Language the detector is set to display Event Log Event log information is reco...

Страница 51: ...ain an operations log of all maintenance calibrations bump tests and alarm events Clean the exterior with a soft damp cloth Do not use solvents soaps or polishes Do not immerse the detector in liquids Table 11 Replacing the Battery or Sensor Figure 4 Replacing the Battery or Sensor Item Description 1 Rear shell machine screws 4 2 Rear shell 3 Battery 4 PCB machine screws 2 5 PCB 6 Sensor 7 Sensor ...

Страница 52: ...GasAlert Extreme User Manual Figure 5 Rear Shell Seal Table 12 Rear Shell Seal Figure 6 Front Shell Seal Table 13 Front Shell Seal Item Description 1 Seal Item Description 1 Seal ...

Страница 53: ...ubleshooting Replacing the Battery To replace a battery complete the following Refer to Figures 4 5 and 6 and Tables 11 12 and 13 Replace the battery in a safe area free of hazardous gas 1 Deactivate the detector 2 Remove the four machine screws on the rear shell and remove the rear shell 3 Remove the battery c Warning This instrument contains a lithium battery Do not mix with the solid waste stre...

Страница 54: ...screen complete the following Refer to Fig ures 4 5 and 6 and Tables 11 12 and 13 1 Deactivate the detector 2 Remove the four machine screws on the rear shell and remove the rear shell 3 Remove the two machine screws from the PCB 4 Remove the PCB Place the PCB on a clean surface 5 Remove the screen 6 Using a soft clean brush wash the screen with clean warm water 7 Insert the sensor screen with the...

Страница 55: ...sensor has a high degree of resistance to common vapors and gases To clear a sensor move the detector to a clean environment and wait 10 to 30 minutes Note Do not expose a sensor to the vapors of inorganic solvents such as paint fumes or organic solvents ...

Страница 56: ...Damaged or defective detector Contact BW Technologies by Honeywell Reversed battery Reinstall the battery correctly The detector enters alarm mode immedi ately when it is activated Sensor needs to stabilize Used sensor wait 60 seconds New sensor wait 5 minutes Low battery alarm Replace the battery Refer to Replacing the Battery or Sensor Sensor alarm Replace the sensor Refer to Replacing the Batte...

Страница 57: ...orming operations that does not require user input Pushbutton operation restores automatically when the operation ends The detector does not accurately measure the gas Detector requires calibration Calibrate the sensor Refer to Calibration and Setting Alarm Setpoints Detector is colder hotter than ambient gas Allow the detector to acquire ambient tem perature before use Sensor screen is blocked Cl...

Страница 58: ...ck MAX gas exposure reading Alarms set incorrectly Reset the alarm setpoints Refer to Calibra tion and Setting Alarm Setpoints Missing or faulty sensor Replace the sensor Refer to Replacing the Battery or Sensor The detector automatically deactivates Automatic shutdown feature activated due to depleted battery Replace the battery Refer to Replacing the Battery or Sensor Detector does not auto zero...

Страница 59: ...ent SO2 sensor 1 PS RC10 Replacement Cl2 sensor 1 SR A04 Replacement NH3 sensor 1 SR A204 Replacement NH3 sensor high range 1 PS RD04 Replacement NO2 sensor 1 PS RZ10 Replacement HCN sensor 1 SR E04 Replacement ETO sensor 1 SR V04 Replacement ClO2 sensor 1 SR G04 Replacement O3 sensor 1 SR N04 Replacement NO sensor 1 GAXT SS Sensor screens 10 GA TC 1 Test cap and hose 1 GA BALERT Concussion proof ...

Страница 60: ...00 ppm 1 ppm increments GasAlert Extreme NO2 0 100 0 ppm 0 1 ppm increments GasAlert Extreme HCN 0 30 0 ppm 0 1 ppm increments GasAlert Extreme ETO 0 100 0 ppm 0 1 ppm increments GasAlert Extreme ClO2 0 1 00 ppm 0 01 ppm increments GasAlert Extreme O3 0 1 00 ppm 0 01 ppm increments GasAlert Extreme NO 0 250 ppm 1 ppm increments Sensor type Plug in electrochemical cells Calibration Auto zero set sp...

Страница 61: ...een tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules and ICES 003 Canadian EMI requirements These limits are designed to provide reasonable protection against harmful interference in a residential instal lation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruc...

Страница 62: ...GasAlert Extreme User Manual ...

Страница 63: ...iERP 125465 D5561 6 English BW Technologies 2008 All rights reserved ...

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