Due to restrictions on hazardous shipping, a $48 hazardous materials fee will be added to your shipping costs & shipping may take longer.
  • Usually ships in 1-2 weeks



  • Ranges:
    • Hydrogen sulfide: 0-200ppm
    • Carbon monoxide: 0-1000ppm
    • Oxygen: 0-30.0%
    • Combustible gases: 0-100% LEL (0.5.0% v/v)
  • Resolution:
    • Hydrogen sulfide: 0.1ppm
    • Carbon monoxide: 1ppm
    • Oxygen: 0.1%
    • Combustible gases: 1% LEL; 0.1% v/v
  • Continuous LCD shows real-time gas concentrations
  • Sampling via manual aspirator pump
  • Rechargeable & alkaline battery packs
Instrumart has factory trained staff for repairs as well as calibrations.

What's in the Box

  • GasAlertQuattro 4-gas detector (H2S, CO, O2, %LEL)
  • IR Connectivity Kit with Fleet Manager II software
  • Quad-mix calibration gas: CH4 (2.5%), O2 (18.0%), H2S (25ppm), CO (100ppm)
  • 0.5 LPM regulator
  • Calibration cap with 1ft hose
  • Manual aspirator kit (QT-AS01) with sampling probe (GA-PROB1-1) & 10ft hose
  • Reversible screwdriver
  • Hard-sided carrying case with lid insert pockets & foam case insert
  • Alkaline battery adapter
  • AA batteries


The Honeywell BW GasAlertQuattro confined space kit offers all the essential tools required for confined space entry, including a 4-gas detector, calibration and sampling equipment, an IR connectivity kit, and more.


This product can be used in the following applications: