8. Technical Data
8.1 Specifications
Table 6 Relative Humidity Measurement Performance
Property Specification
Humidity sensor Vaisala HUMICAPâR2
Measurement range 0 ... 100 %RH
Stability ±2.5 %RH over 2 years
Accuracy at 0 … +40 °C (+32 … +104 °F) (Incl. Non-Linearity, Hysteresis and Repeatability)
0...90%RH ±1.5%RH
90...100%RH ±2.5%RH
Accuracy at +40 … +80 °C (+104 … +176 °F) and -40 ... 0 °C (-40 ... +32 °F) (Incl. Non-Linearity,
Hysteresis and Repeatability)
0 … 90 %RH ±2.5%RH
90 … 100 %RH ±3.5%RH
Factory calibration uncertainty ±1.0 %RH
Start-up and Response Time
Start-up time at +20 °C (+68 °F) 8 s
Response time (T63) at +20 °C (+68 °F) 15 s
Calculated Humidity Parameters (Default Analog Output Scale)
Dew point -40 ... +80 °C (-40 ... +176 °F)
Dew point / frost point -40 ... +80 °C (-40 ... +176 °F)
Absolute humidity
0 … 300 g/m
3
(0 … 131.1 gr/ft
3
)
Wet bulb temperature -40 ... +80 °C (-40 ... +176 °F)
Enthalpy -40 … 1600 kJ/kg (-9.5 ... 695.6 Btu/lb)
Mixing ratio 0 … 600 g/kg (0 … 4200 gr/lb)
Table 7 Temperature Measurement Performance
Property Specification
Measurement range -40 ... +80 °C (-40 ... +176 °F)
Default analog output scale -20 … +80 °C (-4 … +176 °C)
Chapter 8 – Technical Data
41
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