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Testo SE & CO KGaA 

Digital hot ball probe for climate measuring instrument testo 440

Digital probe with intelligent calibration concept. Integrated, extendable telescope enables convenient measurement.
Flow speed:0 ... 10 m/s
Accuracy flow speed:±0.03 m/s
Pressure:700 ... 1,100 hPa
Resolution pressure:0.1 hPa
Sensor Ø:3 mm
TemperatureAccuracy temperaturePKCat. No. 
-20 ... 70 °C±0.5 °C16320878