GasAlertQuattro multi gas detector

Rugged and reliable, the BW Technologies GasAlertQuartto combustible gas detector combines a comprehensive range of features with simple one-button operation. With flexible power options, the GasAlertQuattro portable gas detector is always ready.

The graphic LCD display easy to identify icons that indicate operational information, such as bump test and calibration status for simplified onsite auditing. IntelliFlash provides continuous visual confirmation of detector operation and compliance.  The GasAlertQuattro combustible gas detector is fully compatible with BW’s IntelliDoX automatic test and calibration system and Fleet Manager 2 desktop software.


  • Minimize costs and training with one button operation
  • Field proven SureCell sensors offer an unprecedented performance in even the harshest environments
  • Interchangeable power options with extended battery runtimes for longer shifts
  • Continuous LCD shows real time gas concentrations
  • Compact and lightweight design makes it comfortable to wear
  • Simple automatic calibration procedure: compatible with BW MicroDock II automatic test and calibration station
  • Full function self test of sensor, battery status, circuit integrity and audible/visual alarms on start up
  • Bright wide angled visual alarm bars
  • Built in concussion proof boot
  • Powered by an interchangeable rechargeable battery pack or alkaline pack with 3 AA batteries
  • One button operation and straightforward user interface minimizes training
  • Comprehensive datalogging and event logging capacity
  • IntelliFlash verifies operation and compliance to both the user and supervisors from up to 20 feet
  • Enhanced resistance to common industrial cross sensitive gases such as methanol and ethanol (CO and H2S sensors)
  • Multi language support in English, French, German, Spanish and Portuguese
  • Field proven SureCell sensors offer an unprecedented performance in even the harshest environments


Sensors Electrochemical sensors & catalytic bead
Alarms Visual (six red LEDs), vibrating, audible (95dB)
Low, High, STEL, TWA, OL (over limit)
Tests Sensor integrity, circuitry, battery and audible/visual alarms on activation, battery (continuous), sensor (continuous)
Battery Life AA alkaline: 14 hours (68 to 122ºF)
Rechargeable: 20 hours (68 to 122ºF) or 18 hours (-4 to 32ºF)
User Options Confidence beep, confidence flash, set STEL interval, sensor on/off, latching alarms, safe display mode, force calibration, auto zero on start up, flip display, combustible gas measurement (%LEL or % by volume methane), user definable calibration gas concentration, force bump, custom start up message, datalog interval
Humidity 10-100% rH, non-condensing
Operating Temperature -4 – 122ºF
Ratings EMI/RFI: Complies EMC Directive 2004/108/EC
IP 66/67
Intrinsic Ratings UL: Class I, Division 1, Groups A, B, C, D
ATEX: CE Ex II 1 G Ga Ex ia IIC T4
IECEX: Ga Ex ia IIC T4
Warranty Full two year warranty including all sensors
Size 5.1″ x 3.2″ x 1.9″
Weight 12 ounces

Sensor Specifications

Hydrogen Sulfide (H2S)
0 – 200 ppm
0.1 ppm
Carbon Monoxide 0 – 1,000 ppm 1 ppm
Oxygen (O2) 0-30.0% 0.1%
Combustible Gases 0-100% LEL
0-5.0% v/v


Download GasAlertQuattro EN
gasAlert Quattro frame


  1. Bump test  ikona film1
  2. Bump test ikona film1