Technical data, 1 relative humidity, 2 temperature – Vaisala HMP260 User Manual
Page 59: 3 calculated variables
HMP260 SERIES
HMP260-U017en-1.5
Operating Manual
1997-11-25
53
8.
TECHNICAL DATA
Specifications of the protection unit, see Appendix 9.
8.1
Relative humidity
Measuring range
0...100 %RH
Accuracy (including nonlinearity and repeatability)
maximum achievable accuracy when calibrated against high quality, certi-
fied humidity standards:
±1 %RH (0...90 %RH)
±2 %RH (90...100 %RH)
when calibrated against salt solutions (ASTM E104-85):
±2 %RH (0...90 %RH)
±3 %RH (90...100 %RH)
Response time (90 %) at +20 °C in
15 s
still air (with sintered filter)
Sensor
HUMICAP
®
H-sensor (part no.
16663)
8.2
Temperature
Measuring range
HMP263
-40...+120 °C
HMP264
-40 ...+180 °C
HMP265
-40...+180 °C
Typical accuracy of electronics at
±0.1 °C
+20 °C (+68 °F)
Typical temperature dependence of
0.005 °C/°C
electronics
Sensor
Pt 100 RTD 1/3 DIN 43760B
8.3
Calculated variables
Typical ranges
dewpoint temperature
-40...+100 °C
mixing ratio
0...500 g/kg dry air
absolute humidity
0...600 g/m
3
wet bulb temperature
0...+100 °C