BW Gas Alert Extreme Single Gas Detector

Code: GAXT
  • Discontinued
  • Spares Available
  • Single Gas Monitor

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Honeywell’s BW Gas Alert Extreme Gas Detector is a single gas detector for Toxic gas or Oxygen. Now obsolete replacement here.

The electrochemical sensor and instrument have a two-year warranty. Replaceable sensor and battery can extend monitor life. Data logging is a standard feature on all models, an LCD shows real-time gas readings. If a gas hazard is detected visual and audible (95dB) alarms will trigger, the detector will also vibrate.

The user can configure the instrument for passcode setting to prevent resetting of critical parameters, also selectable are latching alarms, stealth mode, automatic calibration (O2 models only), backlight, calibration setpoints, lockout if calibration expired and language choice.

Includes a self-test facility for sensor, circuitry, battery, audible and visual alarm. The replaceable 3V battery is constantly tested, typical life one and a half years. The detector is fully compatible with the MicroDock II automatic test and calibration station.

  • Water-resistant
  • Low, high, STEL, TWA
  • Can be used with a motorised sampling pump
  • Languages supported: English, French, German, Spanish and Portuguese
  • Approvals  UL Class I, Div. 1, Gr. A, B, C, D. Class II, Div. 1, Gr. E, F, G. American Bureau of Shipping, ATEX, IECEx & EAC Ex (CU TR Ex)
  • IP 66/67
  • Size: 1.1 x 2.0 x 3.75 in. / 2.8 x 5.0 x 9.5 cm weight 2.9 oz. / 82 g

Supplied complete with stainless steel alligator clip, concussion-proof housing, calibration/test cap with hose, manual and disc manual with multiple languages.

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Title Size
GasAlertExtremeDatasheet 305 KB
GasAlert_Extreme Order Detail 370 KB
GasAlert Extreme User Manual 1 MB
GasAlert Extreme Service Guide 1 MB

Additional information

Weight 0.09 kg

Ordering Information

GasAlert Extreme

Models supplied as standard in yellow, for black add -B to model code

GAXT-A-DL Ammonia (NH3) 0-100 ppm
GAXT-A2-DL Ammonia (NH3) high range 0-400 ppm
GAXT-M-DL Carbon monoxide (CO) 0-1000 ppm
GAXT-M2-DL Carbon monoxide H2 resistant (CO-H) 0-1000 ppm
GAXT-C-DL Chlorine (Cl2) 0-50.0 ppm
GAXT-V-DL Chlorine dioxide (ClO2) 0-1 ppm
GAXT-E-DL Ethylene oxide (ETO) (C2H4O) 0-100 ppm
GAXT-Z-DL Hydrogen cyanide (HCN) 0-30.0 ppm
GAXT-H-DL Hydrogen sulfide (H2S) 0-100 ppm
GAXT-H-2-DL Hydrogen sulfide (H2S) high range 0-500 ppm
GAXT-N-DL Nitric oxide (NO) 0-250 ppm
GAXT-D-DL Nitrogen dioxide (NO2) 0-99.9 ppm
GAXT-X-DL-2 Oxygen (O2) 0-30.0%
GAXT-G-DL Ozone (O3) 0-1 ppm
GAXT-P-DL Phosphine (PH3) 0-5.0 ppm
GAXT-S-DL Sulfur dioxide (SO2) 0-100 ppm

Carrying & Protective Accessories and Spares

GA-BALERT Concussion-proof boot with stainless steel alligator-style clip
GA-BT-K1 Replacement breathing Tubes, a kit of 200 for Breathing Adaptor (GA-BA-K1)
GA-BSPLASH-K Splash guard filters for use with GA24-BALERT (kit of 5)
GA-HC-1 Hard hat clip (non-conductive)
GA-CL-1 Belt clip with screw
GA-NS-1 Neck strap with safety release
GA-LY-1 Short strap (6 in./15.2 cm)
GA-ES-1 Extension strap (4 ft./1.2 m)
GA-CH-2 Chest harness

Sampling, Power Supply and Datalogging Accessories

GA-AS02 Manual Aspirator Pump Kit GA Extreme
GA-TC-1 Test cap and hose

Power Supply

E2829 Battery – lithium, 3V (Panasonic CR-2PE/BN)

Replacement Sensors and Sensor Screens

GAXT-SS Replacement sensor Screen Filters with gasket (kit of 10)
SR-A04 Replacement Ammonia NH3 sensor
SR-A204 Replacement Ammonia NH3 sensor, extended range
SR-M04-SC Replacement Carbon monoxide CO sensor
PS-RM04H Replacement Carbon monoxide CO-H sensor, H2 resistant
PS-RC10 Replacement Chlorine Cl2 sensor
SR-V04 Replacement Chlorine dioxide ClO2 sensor
SR-E04 Replacement Ethylene oxide (ETO) sensor
PS-RZ10 Replacement Hydrogen cyanide HCN sensor
PS-RH04S Replacement Hydrogen sulfide H2S sensor
SR-N04 Replacement Nitric oxide NO sensor
PS-RD04 Replacement Nitrogen dioxide NO2 sensor
SR-X2V Replacement Oxygen O2 sensor
SR-G04 Replacement Ozone O3 sensor
SR-P04 Replacement Phosphine PH3 sensor
PS-RS04 Replacement Sulfur dioxide SO2 sensor

Service Parts

GA-AG-2 Alligator Clip A None
GAXT-BC1 Replacement back enclosure (yellow) with screws (without alligator clip)
GAXT-BC1B Replacement back enclosure (black) with screws (without alligator clip)
E2829 Battery – lithium, 3V (Panasonic CR-2PE/BN)
GAXT-A-DL-PCB1 PCB replacement for GAXT-A-DL NH3
GAXT-A2-DL-PCB1 PCB replacement for GAXT-A2-DL NH3 extended range
GAXT-M-DL-PCB1 PCB replacement for GAXT-M-DL CO
GAXT-M2-DL-PCB1 PCB replacement for GAXT-M2-DL CO, H2 resistant
GAXT-C-DL-PCB1 PCB replacement for GAXT-C-DL CI2
GAXT-V-DL-PCB1 PCB replacement for GAXT-V-DL ClO2
GAXT-E-DL-PCB1 PCB replacement for GAXT-E-DL ETO
GAXT-Z-DL-PCB1 PCB replacement for GAXT-Z-DL HCN
GAXT-H-DL-PCB1 PCB replacement for GAXT-H-DL H2S
GAXT-H-2-DL-PCB1 PCB replacement for GAXT-H-2-DL H2S extended range
GAXT-N-DL-PCB1 PCB replacement for GAXT-N-DL NO
GAXT-D-DL-PCB1 PCB replacement for GAXT-D-DL version NO2
GAXT-X-DL-PCB1 PCB replacement for GAXT-X-DL O2
GAXT-S-DL-PCB1 PCB replacement for GAXT-S-DL SO2
GAXT-SS Replacement sensor Screen Filters with gasket (kit of 10)
GAXT-FC1 Replacement front enclosure (yellow) with 4 screws of one type
GAXT-FC1B Replacement front enclosure (black) with 4 screws of one type
GAXT-LCD Replacement LCD and holder with light pipe
MC-SCREW-K1 PCB and back case screws of one type None
GA-VM-2 Replacement vibration motor Level-1

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