WatchGas SST1 Serviceable NH3 Gas Detector SST1-A Accessories FIXED GAS DETECTORS The new O2 sensor is

The new O2 sensor is electrochemical with a 3 to 5 year life span

9580 to talk through your NH3 monitoring setup with someone who knows the SST1 platform — not a call-center script

zipper on the back for ventilation

BW REG-DF-1 Demand Flow Regulator is made to attach to the disposable aluminum canisters of calibration gas

If in doubt about the size

WatchGas SST1 Serviceable NH3 Gas Detector SST1-A Accessories FIXED GAS DETECTORS The new O2 sensor isAmmonia is pungent enough to smell at 5 ppm and by the time you can't smell it anymore, you're above OSHA's exposure limit. Anyone who works around ammonia refrigeration compressor rooms, poultry houses, fertilizer operations, industrial cleaning, chemical facilities knows the paradox: at low concentrations it's obvious, and at dangerous concentrations olfactory fatigue kicks in fast. Workers stop noticing what they're breathing. The WatchGas SST1 A