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Humidity Dew point meter.

625 Humidity Meter Temperature Humidity Dew Point. Probe plug-in.
testo 625, humidity/temperature measuring instrument, incl. plug-in humidity probe head, battery.
The compact instrument with built-in humidity probe head for measuring air moisture and temperature.
The large 2 line display shows humidity, wet bulb temperature or dew point as well as temperature.

625 Humidity Meter

Model  Description 
0563 6251  625 Hygrometer with integral humidity probe head

When measuring at hard-to-access points, the humidity probe head can be easily removed and attached to
the handle via the probe cable (accessory).
Alternatively, the readings can be transmitted wirelessly over wide distances from the probe to the measuring
instrument.
To do this, the humidity probe head is attached to the radio handle (accessory) and the radio module
(accessory) is added to testo 625.

Storage temperature  -40 to +185 °F 
Operating temperature  -4 to +122 °F 
Probe Type NTC    
Meas. Range  -14 to +140 °F 
Accuracy  ±1 digit ±0.9 °F
Resolution   0.1 °F 
Probe type Type K   
Meas. Range  -328 to +2500 °F  
Resolution  0.1 °F 
Probe type humid. sensor, cap.   
Meas. Range  0 to +100 %RH 
Accuracy  ±2.5 %RH (+5 to +95%RH) 
Resolution  0.1 %RH