HMS112 Outdoor Humidity, Dew point, Wet bulb, Enthalpy and Temperature transmitter for HVAC, Current Loop, 2% accuracy - Vaisala Online Store

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HMS112 Outdoor Humidity, Dew point, Wet bulb, Enthalpy and Temperature transmitter for HVAC, Current Loop, 2% accuracy

The analog Vaisala HMS112 Humidity and Temperature Transmitter is designed for accurate humidity and temperature measurements outdoors. HMS112 includes an integrated radiation shield to minimize measurement errors from solar radiation. The transmitter is ideal for controlling cooling towers and for differential enthalpy control of economizers.

With RH accuracy of ±2 %RH, the transmitters have been calibrated with 3-point NIST traceable calibration (certificate included).

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:
Channel 1: 4 ... 20 mA = 0 ... 100% RH
Channel 2: 4 ... 20 mA = -40 ... +60 °C (-40 ... +140 °F) T

The package includes:

  • HMS112 transmitter

HMS112 Outdoor Humidity, Dew point, Wet bulb, Enthalpy and Temperature transmitter for HVAC, Current Loop, 2% accuracy
HMS112 Humidity and Temperature Transmitter for Outdoor Measurements in HVAC Applications
Standard delivery time for single unit: 1 week
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Warranty: 24 months
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Part no. HMS112

Quantity Price
367 € + VAT

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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