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Vaisala HMDW80 Series Humidity and Temperature Transmitters

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Vaisala INTERCAP® Humidity and Temperature Transmitter Series HMDW80 measure relative humidity and temperature in various building automation applications. Transmitters combine easy installation and reliable operation with a low requirement for maintenance. The versatile HMDW80 series includes transmitters for wall and duct mounting and IP65-classified transmitters for humid areas. It also includes temperature-only transmitters and transmitters with an optional display. Calculated humidity parameters – dew point temperature, wet bulb temperature, and enthalpy – are also available.

Easy Installation
HMDW80 series transmitters are optimized for easy installation. There are no loose parts, screws are retained in the enclosure, all connectors are clearly labeled, and the connectors are within easy reach. The duct mount transmitters are well suited to variable duct sizes and the wall mount transmitters can be installed without the need to make holes in the transmitter enclosure.

Reliable Operation
HMD80 series transmitters require minimal maintenance thanks to their excellent sensor stability and high-quality materials. If necessary, the INTERCAP® sensor can be easily exchanged in the field with minimum downtime.

 

  • Wall-mount temperature-only transmitters TMW82/83
  • Standard wall-mount humidity and temperature transmitters HMW82/83
  • IP65-classified wall-mount humidity and temperature transmitters HMW88/89(D) with and without display, for humid areas
  • Duct-mount humidity and temperature transmitters HMD82/83(D) with and without display
  • Dew point temperature, wet bulb temperature and enthalpy output option available in selected models (see product datasheet for more details).

 

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* IP54
HMW89 Wall-mount, RH+T 3-wire, voltage output Calculated parameters* IP65
HMW89D Wall-mount, RH+T 3-wire, voltage output Display, calculated parameters* IP54
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* IP54
HMD83 Duct-mount, RH+T 3-wire, voltage output Calculated parameters* IP65
HMD83D Duct-mount, RH+T 3-wire, voltage output Display, calculated parameters* IP54

 *Output parameters for humidity: relative humidity, dew point temperature, wet bulb temperature and enthalpy

Specifications for Models HMW82/83 and TMW82/83

Performance  
Operating temperature range

Operating humidity range

-5 … +55 °C (+23 … +131 °F)

0 … 100 %RH, non-condensing

Relative Humidity
Measurement range

Accuracy

Temperature range

0 … 70 %RH

70 … 100 %RH

Temperature range

 

0 …100 %RH

Stability in typical HVAC applications

Humidity sensor

0 … 100 %RH

 

+10 … +30 °C (+50 … +86 °F)

±3 %RH

±5 %RH

-5 … +10 °C, +30 … + 55 °C

(+23 … +50 °F, +86 … +131 °F)

±7 %RH

±2 %RH over 2 years

Vaisala INTERCAP®

Temperature
Measurement range

Accuracy

+10 … +30 °C (+50 °F … +86 °F)

 

-5 … +10 °C, +30 … +55 °C

(+23 … +50 °F, +86 … +131 °F)

Temperature sensor

-5 … +55 °C (+23 … +131 °F)

 

±0.5 °C (±0.9 °F)

 

±1.0 °C (±1.8 °C)

 

Digital temperature sensor

 

Specifications for Models HMD82/83, TMD82/83 and HMW88/89

Performance
Operating temperature range

Operating humidity range

-40 … +60 °C (-40 … +140 °F)

0 … 100 %RH

Relative Humidity
Measurement range

Accuracy

Temperature range

0 … 90 %RH

90 … 100 %RH

Temperature range

 

0 … 90 %RH

90 … 100 %RH

Temperature range

0 … 100%RH

Stability in typical HVAC applications

Humidity sensor

0 … 100 %RH

 

+10 … +30 °C (+50 … +86 °F)

±3 %RH

±5 %RH

-20 … +10° C, +30 … +60 °C

(-4 … +50 °F, +86 … +140 °F)

±5 %RH

±7 %RH

-40 … -20 °C (-40 … -4 °F)

±7 %RH

±2 %RH over 2 years

Vaisala INTERCAP®

Temperature  
Measurement range

Accuracy

At +20 °C (+68 °F)

Temperature dependence

Temperature sensor

-40 … +60 °C (-40 … +140 °F)

 

±0.3 °C (±0.54 °F)

±0.01 °C/ °C

Pt1000 RTD Class F0.1 IEC 60751

Calculated Parameters
Measurement range for dew point temperature and wet bulb temperature

 

Measurement range for enthalpy

-40 … +60 °C (-40 … +140 °F)

 

 

-40 … 460 kJ/kg (-10 … +190 BTU/lb)

 

 

Specifications for Models HMD82/83D and HMW88/89D

Performance
Operating temperature range

Operating humidity range

-5 … +60 °C (+23 … +140 °F)

0…100 %RH, non-condensing

Relative Humidity  
Measurement range

Accuracy

Temperature range

0 … 90 %RH

90 … 100 %RH

Temperature range

 

0 … 90 %RH

90 … 100 %RH

Stability in typical HVAC applications

Humidity sensor

0 … 100 %RH

 

+10 … +30 °C (+50 … +86 °F)

±3 %RH

±5 %RH

-5 … +10 °C, +30 … +60 °C

(+23 … +50 °F, +86 … +140 °F)

±5 %RH

±7 %RH

±2 %RH over 2 years

Vaisala INTERCAP®

Temperature  
Measurement range

 

Operating temperature range of the display

Accuracy At +20 °C (+68 °F)

Temperature dependence

Temperature sensor

(Analog output scaling)

-40 … +60 °C (-40 … +140 °F)

+5 … +60 °C (+23 … +140 °F)

±0.3 °C (±0.54 °F)

±0.01 °C/ °C

Pt1000 RTD Class F0.1 IEC 60751

Calculated Parameters  
Measurement range for dew point temperature and wet bulb temperature

 

Measurement range for enthalpy

-40 … +60 °C (-40 … +140 °F)

 

 

-40…460 kJ/kg (-10…+190 BTU/lb)

 

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