Humidity meter.

610 humidity and temperature meter.
testo 610; humidity and temperature meter.
Long-term stable humidity sensor +/-2.5 %RH accuracy
Dewpoint calculation and wet bulb included
Protective cap for safe storage

610 humidity and temperature meter

Model  Description 
0560 0610  610 Pocket Pro Temp and RH Meter
Probe Type NTC    
Meas. Range  14 to +122 °F 
Accuracy  ±0.9 °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