Technical data Model : Testo 605iSensor type Humidity – capacitiveMeasuring range : 0 tp 100 %RHAccuracy ±1 digit : ±(1.8 %RH 3 % of m.v.) at +25 °C (5 to 80 %RH)Resolution : 0.1% RH Sensor type NTCMeasuring range : -20 to +60 °CAccuracy ±1 digit : ±0.8 °C (-20 to 0 °C), ±0.5 °C (0 to +60 °C)Resolution : 0.1 °C General technical data Compatability : requires iOS 8.3 or newer /Android 4.3 or newer requires mobile end device with Bluetooth 4.0Storage temperature : -20 to +60 °COperating temperature : -20 to +50 °CBattery type : 3 micro batteries AAABattery life : 150 hrsDimensions : 243 x 30 x 24 mm, 100 mm probe shaftอ่านเพิ่มเติม