Check the listing for details. YELLOW JACKET 'YJACK DEW' PSYCHROMETER 67063. Condition: New. Listed at 166.48 USD. Wireless measurement of psychrometric parameters with easeMeasures percent relative humidity, dry bulb temperature, wet bulb temperature and dew point temperatureMeasure enthalpy change across evaporator coil for system operational efficiencyFeatures 8" flexible steel wand for optimal sensor positioning within ventilation ductingOptimized sensor housing designed for increased air exchange and better response timeFeatures high strength mounting magnet for secure attachment to ventilation systemsBluetooth 4.2 compliant low energy radio400 ft line of sight signal range*Compatible with YJACK VIEW App and P51-870 TITAN devices (firmware version v2.0 or later)Rapid response timeRelative Humidity Measurement Range: 0 to 100% RHRelative Humidity Accuracy: +/- 2.0 %RH TYP (10 to 90 %RH)**Temperature Measurement Range: -40°F to 257°F (-40°C to 125°C)Temperature Measurement Accuracy: +/- 0.2 °C TYP (-10 to 80°C)**Operating Temperature: -0.4°F to 131°F (-18°C to 55°C)Storage Temperature: -40°F to 122°F (-40°C to 50°C)Long 1500 hour battery life (2x AAA included)IP52 rated2-year manufacturer warranty