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Humidity

HMD/S/W8XD/H/W Series



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HMD/S/W8XD/H/W Series

Vaisala Dew Point, Enthalpy & Wet Bulb Transmitters HMD/S/W8XD/H/W Series

Vaisala Dew Point, Enthalpy & Wet Bulb Transmitters

 

The Vaisala HMX8XD Dew Point, HMX8XW Wet Bulb, and HMX8XH Series Enthalpy Transmitters are rugged, compact, and ideally suited for monitoring dew point, wet bulb, or enthalpy in commercial HVAC/BAS applications. Using a Vaisala Intercap® RH sensor and an RTD temperature sensor, the unit's microprocessor computes the dew point, wet bulb, or enthalpy. Two linear outputs provide a 4-20mA signal for dew point, wet bulb, or enthalpy, and a 4-20 mA signal for dry bulb, temperature.


Products
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QtyModelDescriptionIn StockList PriceInternet Price
HMD82H DUCT ENTHALPY/DRY BULB XMTR INFO817.93654.34
HMD82TD DUCT DEW POINT/DRY BULB XMTR In Stock817.93654.34
HMD82W DUCT WET BULB/DRY BULB XMTR INFO817.93654.34
HMS82 OSA RH/DRY BULB XMTR In Stock859.34687.47
HMS82H OSA ENTHALPY/DRY BULB XMTR INFO859.34687.47
HMS82TD OSA DEW POINT/DRY BULB XMTR INFO859.34687.47
HMS82W OSA WET BULB/DRY BULB XMTR In Stock859.34687.47
HMW88 ROOM RH/DRY BULB XMTR In Stock495.79396.63
HMW88H ROOM ENTHALPY/DRY BULB XMTR INFO644.28515.42
HMW88TD ROOM DEW POINT / DRY BULB XMTR In Stock644.28515.42
HMW88W ROOM WET BULB/DRY BULB XMTR INFO644.28515.42
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Accessories

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Features
  • Dew point, Wet Bulb and Dry Bulb accuracy of ±1.8℉ (±1℃) over the specified range
  • Enthalpy accuracy of ±2 BTU/lb over specified range
  • Two 4-20 mA output signals
  • Microprocessor-based signal processing
  • Weather resistant duct/OSA mounting
  • Temperature compensated
Specifications

Accuracy:

Dew Point, Wet Bulb & Dry Bulb:±1.8℉ (1.0℃)

Enthalpy: ±2 BTU/lb

Relative Humidity: ±3% RH

Supply Voltage: 10 - 28 VDC

Signal Output:(2, Dry Bulb Temperature & Model Specific) 4-20 mA @ 600Ω

Measurement Range:

Dew Point, Wet Bulb & Dry Bulb:-40° to 140℉ (-40° to 60℃)

Enthalpy: -10 to 190 BTU/lb (-40 to 460 kj/hg)

Relative Humidity:0 to 100%

Sensing Technology:Viasal Intercap®

Operating Temperature:-40° to 140℉ (-40° to 60℃)

Operating Humidity:0 to 99 % non-condensing

Dimensions:

Duct:5.2″ H x 2.8″ W x 11.5″ D (13.1 x 7.2 x 29.1 cm)

OSA:8.1″ H x 4.8″ W x 3.9″ D (20.7 x 12.2 x 10 cm)

Room:7.6″ H x 2.8″ W x 1.6″ D (19.3 x 7.2 x 4.1 cm)

Enclosure rating:NEMA 4, IP65

Approvals:CE

Weight:

Duct:0.65 lb (0.29 Kg)

OSA:1.6 lb (0.72 Kg)

Room:0.25 lb (0.11 Kg)

Warranty:2 year

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