INDUSTRIAL SCIENTIFIC HMX271 O2 Sensor + SP202 Permissible Sampling Pump

Industrial Scientific Permissible Sampling Pump SP202

Industrial Scientific Tx1-2 Single Gas Detector, H2s, 0-200Ppm SB:APRIL 7 2026

4x INDUSTRIAL SCIENTIFIC TX1-Single Gas Detector Orange ( untested )

Industrial Scientific O2 Sensor Module 1710-1213

Industrial Scientific HMX271 O2 Sensor

INDUSTRIAL SCIENTIFIC HMX271 O2 Sensor

INDUSTRIAL SCIENTIFIC HMX271 O2 Sensor w/ Case- Untested