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Testo SE & CO KGaA 

Digital hot wire probe for climate measuring instrument testo 440

Digital probe with intelligent calibration concept. Integrated, extendable telescope enables convenient measurement.
Flow speed:0 ... 30 m/s
Resolution flow speed:0.01 m/s
Pressure:700 ... 1,100 hPa
Resolution pressure:0.1 hPa
Sensor Ø:9 mm
Cable length:1.7 m
TemperatureAccuracy temperaturePKCat. No. 
-20 ... 70 °C±0.5 °C14684645