Vaisala HMP4 - Figure 35 HMP1 Probe Dimensions; Table 10 HMP1 Compliance; Table 11 HMP1 Mechanical Specifications

Output parameter name and unit
Dew/frost point temperature (°C) Water concentration (ppm
v
)
Dew/frost point temperature at 1 atm (°C) Water concentration (wet basis) (vol‑%)
Dew point temperature at 1 atm (°C) Water mass fraction (ppm
w
)
Dew point temperature dierence (°C) Water vapor pressure (hPa)
Enthalpy (kJ/kg) Water vapor saturation pressure (hPa)
Mixing ratio (g/kg) Wet-bulb temperature (°C)
Table 10 HMP1 compliance
Property Value/Description
EU directives EMC Directive (2014/30/EU)
RoHS Directive (2011/65/EU)
EMC compatibility EN 61326‑1, industrial environment
Compliance marks CE, China RoHS, RCM, WEEE
Table 11 HMP1 mechanical specifications
Property Description/Value
Connector M12 5-pin A-coded male
Weight 38 g (1.34 oz)
Materials
Probe AISI 316L
Probe body PBT
112 [4.41]
162 [6.38]
Ø 25
[0.98]
M12/5
Ø 5
[0.20]
16
[0.63]
50 [1.97]
mm
[in]
Figure 35 HMP1 probe dimensions
HMP Series with MMP8 and TMP1 User Guide M212022EN-F
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