Gas Monitors: GasAlert Quatro Rugged and reliable, the GasAlert Quatro four-gas detector combines a comprehensive range of features with simple one-button operation. With flexible power options, the GasAlert Quatro is always ready. The graphic LCD displays 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.
Size Weight Power
5.1” × 3.2” × 1.9”
13.0 × 8.1 × 4.7 cm
11.15 oz
316 g
Rechargeable batteries
Concussion-Proof Boot - GA-BQTThe heavy duty concussion-proof boot slips easily and securely onto the detector for additional protection in extreme conditions. Equipped with a rugged stainless steel alligator clip, the external rubber boot also helps keep the detector clean.
Carrying Holster - GA-HQTErgonomic and comfortable to wear, the carrying holster securely attaches the GasAlert Quatro to your belt or close to your breathing zone. The 360° swivel clip ensures that mobility is never hampered.
Manual Aspirator Pump Kit - QT-AS01The manual aspirator pump kit with 1' (0.3 m) probe is a cost-effective solution for remote sampling without a pumped instrument.
Other Parts & Accessories
  • QT-BAT-R01 Quatro rechargeable battery pack, yellow
  • QT-BAT-A01 Quatro Alkaline battery pack with batteries, yellow
  • GA-SPAK Quatro sampler pack
  • QT-AS01 Quatro replacement test cap and hose
  • GA-PROB1-1 Quatro sampler probe with hydrophobic and particulate filters
  • GA-PROB-FIL-K1 Quatro filter and gasket replacements for sample probe GA-PROB1-1
  • QT-SS Quatro quad sensor screens kit of 2 (QT-SS-K1: kit of 10)
  • SR-W04-75C Quatro replacement combustible sensor
  • SR-X10-C1 Quatro replacement oxygen sensors
  • SR-H04-SC Quatro replacement hydrogen sulfide sensor
  • SR-M04-SC Quatro replacement carbon monoxide sensor
  • QT-SCREW-K1 Quatro replacement screw kit