Vaisala HMP4 - HMP9 Specifications; Figure 51 Optional Ball Valve Installation Kit Dimensions; Table 42 HMP9 Measurement Performance

Ø 21.5 [0.83]
(drilling)
Ø 14 [0.55]
Ø 14 [0.55]
195 [7.67]
ISO1/2” fitting body
supplied with HMP8
ISO1/2”
80 [3.15]
mm
[in]
Figure 51 Optional ball valve installation kit dimensions
9.7
HMP9 specifications
Table 42 HMP9 measurement performance
Property Description/Value
Relative humidity
Measurement range 0 … 100 %RH
Accuracy at +23 °C (+73.4 °F)
1)
±0.8 %RH (0 … 90 %RH)
Factory calibration uncertainty
2)
±0.7 %RH (0 … 40 %RH)
±1 %RH (40 … 95 %RH)
Non-linearity 0.4 %RH
T
63
response time
3)
15 s
Sensor HUMICAPâ I
Temperature
Measurement range −40 … +120 °C (−40 … +248 °F)
Accuracy at +23 °C (+73.4 °F)
1)
±0.1 °C (±0.18 °F)
Factory calibration uncertainty
2)
±0.1 °C (±0.18 °F) at +23 °C (+73.4 °F)
T
63
response time
3)
70 s
1) Defined against calibration reference. Including non-linearity, hysteresis, and repeatability.
2) Defined as ±2 standard deviation limits. Small variations possible; see calibration certificate.
3) In still air
Chapter 9 – Technical data
85