HMT120 Wet Bulb / Dry Bulb Transmitter for Cooling Towers, Current Loop - Vaisala Online Store

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HMT120 Wet Bulb / Dry Bulb Transmitter for Cooling Towers, Current Loop

The HMT120 is intended for outdoor wet / dry bulb measurements in HVAC cooling tower applications. The HMT120 is delivered with a weather shield for the transmitter unit to protect it from the outdoor elements. Also, a solar radiation / precipitation shield is provided for the probe to ensure precise and representative outdoor temperature and humidity measurement.

The HMT120 has two 4…20 mA loop-powered outputs corresponding to 0...+80°C (+32...+176°F) wet bulb and -40…+60 °C (-40…+140 ° F) temperature.

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See HMT120 series products

The package includes:

  • Calibration certificate (ISO9001 compliant, traceable)
  • Vaisala DTR504A solar radiation shield for housing the measurement probe
  • Rain shield with installation accessories for the transmitter unit
  • 5 m (16.5 ft) probe cable
  • Cable gland for 2…6 mm cable
  • NPT1/2" and metric PG9 conduit fittings to facilitate wiring
  • User's Guide in English

HMT120 Wet Bulb / Dry Bulb Transmitter for Cooling Towers, Current Loop
HMT120 Wet Bulb / Dry Bulb Transmitter for Cooling Towers, 2-Wire Loop Powered
Standard delivery time for single unit: 1 weeks
About delivery times »
Warranty: 24 months
About warranty »

Part no. HMT120KC0A4B12C5Z0Z

Quantity Price
843 € + VAT

Detailed information

Measurement parameter(s)Wet bulb temperature
Temperature
Measurement range0 ... 100 % RH
-40 ... +60 °C (-40 ... 140 °F) T
Measurement accuracy±1.5 % RH (0 ... 90 % RH)
±2.5 % RH (90 ... 100 % RH)
±0.2 °C (±0.36 °F) T
Operating temperature-40 ... +60 °C (-40 ... 140 °F)
Operating voltage10 ... 35 VDC / 24 VAC
Analog outputs4 ... 20 mA
Housing classificationIP65 (NEMA 4)
Links See full specifications on Vaisala.com
Download user guides and other product documents on Vaisala.com


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