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Technical Data
Models
Model number Type Output Special Features Ingress Protection
TMW82 Wall-mount, T-only 2-wire, current output IP30
TMW83 Wall-mount, T-only 3-wire, voltage output IP30
HMW82 Wall-mount, RH+T 2-wire, current output IP30
HMW83 Wall-mount, RH+T 3-wire, voltage output IP30
HMW88 Wall-mount, RH+T 2-wire, current output Calculated parameters* IP65
HMW88D Wall-mount, RH+T 2-wire, current output Display, calculated parameters* IP65
HMW89 Wall-mount, RH+T 3-wire, voltage output Calculated parameters* IP65
HMW89D Wall-mount, RH+T 3-wire, voltage output Display, calculated parameters* IP65
TMD82 Duct-mount, T-only 2-wire, current output IP65
TMD83 Duct-mount, T-only 3-wire, voltage output IP65
HMD82 Duct-mount, RH+T 2-wire, current output Calculated parameters* IP65
HMD82D Duct-mount, RH+T 2-wire, current output Display, calculated parameters* IP65
HMD83 Duct-mount, RH+T 3-wire, voltage output Calculated parameters* IP65
HMD83D Duct-mount, RH+T 3-wire, voltage output Display, calculated parameters* IP65
HMS82 Outdoor, RH+T 2-wire, current output Radiation shield, calculated parameters* IP65
HMS83 Outdoor, RH+T 3-wire, voltage output Radiation shield, calculated parameters* IP65
*Output parameters for humidity: relative humidity, dew point temperature, wet bulb temperature, and enthalpy.
Performance
Operating temperature range -40 ... +60 °C (-40 ... +140 °F)
Operating humidity range 0 ... 100 %RH
RELATIVE HUMIDITY
Measurement range 0 ... 100 %RH
Accuracy
Temperature range +10 ... +30 °C (+50 ... +86 °F)
0 ... 90 %RH ±3 %RH
90 … 100 %RH ±5 %RH
Temperature range -20 ... +10° C, +30 ... +60 °C
(-4 ... +50 °F, +86 ... +140 °F)
0 … 90 %RH ±5 %RH
90 … 100 %RH ±7 %RH
Temperature range -40 ... -20 °C (-40 ... -4 °F)
0 ... 100%RH ±7 %RH
Stability in typical HVAC applications ±2 %RH over 2 years
Humidity sensor Vaisala INTERCAP
®
TEMPERATURE
Measurement range -40 ... +60 °C (-40 ... +140 °F)
Accuracy
At +20 °C (+68 °F) ±0.3 °C (±0.54 °F)
Temperature dependence ±0.01 °C/ °C
Temperature sensor Pt1000 RTD Class F0.1 IEC 60751
CALCULATED PARAMETERS
Measurement range for dew point
temperature and wet bulb temperature -40 ... +60 °C (-40 ... +140 °F)
Measurement range for
enthalpy -40 ... 460 kJ/kg (-10 ... +190 BTU/lb)
Performance
Operating temperature range -5 ... +55 °C (+23 ... +131 °F)
Operating humidity range 0 … 100 %RH, non-condensing
RELATIVE HUMIDITY
Measurement range 0 ... 100 %RH
Accuracy
Temperature range +10 ... +30 °C (+50 ... +86 °F)
0 ... 70 %RH ±3 %RH
70 ... 100 %RH ±5 %RH
Temperature range -5 ... +10 °C, +30 ... + 55 °C
(+23 ... +50 °F, +86 ... +131 °F)
0 …100 %RH ±7 %RH
Stability in typical HVAC
applications
±2 %RH over 2 years
Humidity sensor Vaisala INTERCAP
®
TEMPERATURE
Measurement range -5 ... +55 °C (+23 ... +131 °F)
Accuracy
+10 ... +30 °C (+50 °F ... +86 °F) ±0.5 °C (±0.9 °F)
-5 ... +10 °C, +30 ... +55 °C
(+23 ... +50 °F, +86 ... +131 °F) ±1.0 °C (±1.8 °F)
Temperature sensor Digital temperature sensor
Specifications for Models HMW82/83 and
TMW82/83
Specifications for Models HMD82/83,
TMD82/83, HMW88/89, and HMS82/83
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