WatchGas SST4-MINI & SST4-PUMP CAT LEL Sensor SST-SPARE-X2 No Shipping Rates FR400A - Black (used with

FR400A - Black (used with the black or blue air purifier)

Datalogging standard

3 ppm) and ACGIH TLV (0

Part Number: WG01-SST-O-RPL — WatchGas Replacement O2 Sensor (2-year warranty)

WatchGas SST4-MINI & SST4-PUMP CAT LEL Sensor SST-SPARE-X2 No Shipping Rates FR400A - Black (used withWhen your LEL sensor drifts, you don't replace the whole monitor. You swap the sensor cell. That's the operational advantage of the serviceable WatchGas SST4 line. This WatchGas Replacement CAT LEL Sensor drops into the WatchGas SST4 MINI Diffusion 4 Gas Detector and the WatchGas SST4 PUMP 4 Gas Detector when either is configured with a CAT (catalytic bead) LEL sensor. An LEL sensor is the fire channel of a 4 gas monitor. It doesn't measure toxicity