WatchGas SST1 Replacement CH4S Sensor SST-SPARE-MM GX-3R Sample Draw Pump a two way Nomex brass

a two way Nomex brass break away zipper and double stitched reinforcements

Provides face and neck protection

you'll need to complete a full calibration to verify the new sensor's response against a known CO standard

It IS a Qi-certified wireless (induction) vehicle charger for the WatchGas SST4 series (SST4-MICRO

WatchGas SST1 Replacement CH4S Sensor SST-SPARE-MM GX-3R Sample Draw Pump a two way Nomex brassWhen your methanethiol sensor drifts, you don't replace the whole monitor. You swap the sensor cell. That's the operational advantage of the serviceable WatchGas SST1 line. Traditional single gas monitors are single use when the sensor reaches end of life or a bump test reveals unrecoverable drift, the whole unit gets discarded. The SST1 platform is designed to be maintained: this WatchGas Replacement CH4S Sensor drops into the WatchGas SST1 MM