S301-IRF-R22 | Honeywell R22 Refrigerant Gas Sensor 0–1000 PPM 4–20 mA Panelview 20 MΩ (mV/TC) Thermocouple Types

20 MΩ (mV/TC) Thermocouple Types K

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S301-IRF-R22 | Honeywell R22 Refrigerant Gas Sensor 0–1000 PPM 4–20 mA Panelview 20 MΩ (mV/TC) Thermocouple TypesDescription The Honeywell S301 IRF R22 is a refrigerant gas sensor specifically designed for R22 detection when used with the Honeywell 301 EM monitoring system. It measures concentrations from 0 to 1000 ppm and provides a 420 mA output for integration with building safety controls. Engineered for continuous monitoring, it supports early leak detection in commercial refrigeration and HVAC environments. Technical Specifications Condition New Never Used