__________________________________________________________________________ English 
 
VAISALA_______________________________________________________________________ 15 
Technical Data 
Relative Humidity Measurement Specifications 
Property  Description / Value 
Measurement range  0 ... 100 % RH 
Accuracy (including non-linearity, 
hysteresis, and repeatability): 
 
at 0 ... +40 °C (+32 ... +104 °F)  ±1.7 %RH (0 ... 90 % RH) 
±2.5 %RH (90 ... 100 % RH) 
at -40 ... 0 °C and +40 ... +80 °C 
(-40 ... +32 °F and +104...+176 °F) 
 
±3.0 %RH (0 ... 90 % RH) 
±4.0 %RH (90 ... 100 % RH) 
Factory calibration uncertainty at 
20 °C (+68 °F)  ±1.5 %RH 
Humidity sensor  HUMICAP
®
 180R 
 
Temperature Measurement Specifications 
Property  Description / Value 
Measurement range  -40 ... +80 °C (-40 ... +176 °F) 
Accuracy over temperature range:   
at +15 ... +25 °C (+59 ... +77 °F)  ±0.2 °C (±0.36 °F) 
at 0 …+15 °C and +25 …+40 °C 
(+32 ... +59 °F and +77 ...+104 °F)  ±0.25 °C (±0.45 °F) 
at -40 ... 0 °C and +40 ... +80 °C 
(-40 ... +32 °F and +104...+176 °F) 
±0.4 °C (±0.72 °F) 
Temperature sensor  Pt1000 RTD 1/3 Class B IEC 751 
 
Operating Environment Specifications 
Property  Description / Value 
Operating temperature range 
Transmitter body, no display 
Transmitter body, with display 
HMP110 probe 
 
-40 ... +60 °C (-40 ... +140 °F) 
-20 ... +60 °C (-4 ... +140 °F) 
-40 ... +80 °C (-40 ... +176 °F) 
Storage temperature range  -50 ... +70 °C (-58 ... +158 °F) 
Electromagnetic compatibility  EN 61326-1:2006 Electrical 
equipment for measurement, control 
and laboratory use - EMC 
requirements - Basic immunity test 
requirements. 
 
EN 55022:2006 + Am 1:2007 
Information technology equipment - 
Radio disturbance characteristics - 
Limits and methods of 
measurement. Class B.