HMD112 Humidity and Temperature Transmitter for demanding HVAC, Duct Model, Current Loop, 2% accuracy - Vaisala Online Store

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HMD112 Humidity and Temperature Transmitter for demanding HVAC, Duct Model, Current Loop, 2% accuracy

The analog Vaisala HMD112 Humidity and Temperature Transmitter is designed for accurate humidity and temperature measurements in HVAC and cleanroom applications.

The transmitter comes with a 3-point traceable calibration certificate and has an accuracy of ±2 %RH

When a display is needed a RDP100 remote display can be used.

HMD112 transmitter is equipped with the proven HUMICAP® 180R sensor. The sensor’s superior long-term stability minimizes maintenance needs throughout the transmitter’s lifetime. If necessary, the transmitter can be field-calibrated using either an HM70 Hand-Held Humidity and Temperature Meter, or a PC connection.

Analog outputs are preset at the factory to:
RH model:
Channel 1: 4 ... 20 mA = 0 ... 100% RH
Channel 2: 4 ... 20 mA = -40 ... +60 °C (-40 ... +140 °F) T
Dew point model:
Channel 1: 4 ... 20 mA =-40 ... +60 °C (-40 ... +140 °F) Td
Channel 2: 4 ... 20 mA = -40 ... +60 °C (-40 ... +140 °F) T

The package includes:

  • HMD112 transmitter

HMD112 Humidity and Temperature Transmitter for demanding HVAC, Duct Model, Current Loop, 2% accuracy
HMD112 Humidity, Dew point and Temperature Transmitter for Ducts in HVAC and Cleanroom Applications
Standard delivery time for single unit: 1 week
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Warranty: 24 months
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Detailed information

Measurement parameter(s)Relative humidity
Temperature
Measurement range0 ... 100 % RH
-40 ... +60 °C (-40 ... +140 °F) T
Measurement accuracyAt temperature +10 ... +30 °C (+50 ... +86 °F) and relative humidity 0 ... 90 %RH:
±2 %RH
±0.2 °C T
Operating temperature-40 ... +60 °C (-40 ... +140 °F)
Operating voltage20 ... 28VDC at 600 ? load
10 ... 28VDC at 0 ? load
Analog outputs4 ... 20 mA, loop powered
Housing classificationIP65
Links See full specifications on Vaisala.com
Download user guides and other product documents on Vaisala.com


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