Honeywell Temperature and Humidity Sensor HSH-DM3M Honeywell HSH-D series duct temperature & relative humidity sensors are applied to measure the HVAC duct air temperature and relative humidity. FEATURES Measuring Temp. Range -40 ~ 60 ℃ IP Rated IP65 Housing Material PC(Fire rating:UL94-V0) Storage Temp. -40 ~ 70 ℃ Download PDF Now