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HMT370EX User Guide
13. Technical data
13.1 Specifications
Table 38 Measurement performance
Property
Relative humidity
Measurement range
Accuracy at +23 °C (+73.4 °F)
Factory calibration uncertainty
T
response time
63
Sensor options
Temperature
Measurement range
Accuracy at +23 °C (+73.4 °F)
Factory calibration uncertainty
Sensor
Other available measurement parameters
Dew point temperature, dew point / frost point temperature, absolute humidity, mixing ratio, wet-
bulb temperature, water concentration, water vapor pressure, water vapor saturation pressure,
enthalpy, dew point temperature difference, absolute humidity at NTP, water mass fraction, relative
saturation, water activity, water concentration in mineral transformer oil, water concentration in
JET A-1 fuel, saturation temperature
1)
Defined against calibration reference. Including non-linearity, hysteresis, and repeatability.
2)
Defined as ±2 standard deviation limits. Small variations possible; see calibration certificate.
â 180L2 sensor is used in the HMP378F and HMP378H probe variants that are
3)
The HUMICAP
intended for oil and JET A-1 fuel measurements. For specifications, see
4)
For units and abbreviations, see
132
Description/value
0 ... 100 %RH
±0.8 %RH (0 ... 90 %RH)
1)
±0.5 %RH (0 ... 40 %RH)
2)
±0.8 %RH (40 ... 95 %RH)
15 s
HUMICAPâ R2
HUMICAPâ 180L2
−70 ... +180 °C (−94 ... +356 °F)
±0.1 °C (±0.18 °F)
±0.1 °C (±0.18 °F) at +23 °C (+73.4 °F)
Pt1000 RTD Class F0.1 IEC 60751
4)
Available measurement parameters (page
M212305EN-B
3)
Table 39 (page
12).
133).
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