WatchGas SST1 Replacement CH4S Sensor SST-SPARE-MM Full Face Mask Choose the SST1-H-36 for jobs

Choose the SST1-H-36 for jobs where simplicity matters more than data (contractor work

use the standard sensor for intermittent-leak-detection environments

Not sure whether the LEL CAT or LEL NDIR variant fits your work

Contains Aloe Vera Gel & Vitamin E

WatchGas SST1 Replacement CH4S Sensor SST-SPARE-MM Full Face Mask Choose the SST1-H-36 for jobsWhen 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