RHT803 and RHT802 are Battery Operated Humidity/Temperature Indicators for non-hazardous as well as Flameproof (Explosion-proof) applications. These instruments feature a smart %RH + Temperature sensor with high accuracy and reliability. The LCD display shows %RH and Temperature in °C or °F. These products find application in HVAC, Building Management Systems, Warehouses, Cold Rooms, Environmental and Stability Chambers, Greenhouses, etc. Both instruments feature a battery life of over 1 year, and the enclosures are IP65.