Vaisala HUMICAP HMM170 - Accessories and Spare Parts

Property Description/Value
when condensation prevention and chemical
purge features are not used
12 – 35 V DC
all features available 18 – 35 V DC or 24 V AC ±10 %
Power consumption
Analog outputs 12 mA (voltage), 50 mA (current)
Chemical purge at 24 V DC +220 mA
Warmed probe at 24 V DC +240 mA
Table 10 HMM170 output parameters
Output parameter name and range
Absolute humidity (0 … 600 g/m
3
)
Relative saturation (0 … 100 %RS)
Absolute humidity at NTP (0 … 600 g/m
3
)
Temperature (−70 … +180 °C)
Dew/frost point temperature (−80 … +100 °C) Water activity (0 … 1)
Dew/frost point temperature at 1 atm (−80 …
+100 °C)
Water concentration (0 … 10
6
ppm)
Dew point temperature (−80 … +100°C)
Water concentration in oil (0 … 10
6
ppm)
Dew point temperature at 1 atm (−80 … +100 °C) Water concentration (wet basis) (0 … 100 vol‑%)
Dew point temperature dierence (−10 … +50
°C)
Water mass fraction (0 … 10
6
ppm
w
)
Enthalpy (−40 … 1500 kJ/kg) Wet-bulb temperature (0 … +100 °C)
Mixing ratio (0 … 500 g/kg) Water vapor pressure (0 … 1000 hPa)
Relative humidity (0 … 100 %RH) Water vapor saturation pressure (0 … 1000 hPa)
Relative humidity (dew/frost) (0 … 100 %RH)
Table 11 HMM170 compliance
Property Description/Value
EU directives RoHS Directive (2011/65/EU) and
Directive 2015/863/EU amending Annex II to
Directive 2011/65/EU
1)
FCC compliance FCC Part 15, Class B
HMM170 User Guide M212259EN-D
28