Vaisala Humidity & Temperature Transmitter Hmt331

US $500.00

  • Flemington, New Jersey, United States
  • Jan 29th
HMT331 Humidity and Temperature Transmitter for Wall Mounting The HMT331 is the top-of-the-line wall-mounted transmitter for demanding HVAC and condition monitoring applications. The Vaisala HUMICAP® Humidity and Temperature Transmitter HMT330 series incorporates Vaisala’s 40 years of experience in industrial humidity measurement. The instrument offers a wide variety of different psychrometric units, including dew point, enthalpy, wet bulb temperature, absolute humidity, and mixing ratio. The transmitter has a keypad and a large graphical display for convenient monitoring of the reading and transmitter setting changes. For example both output signal type (voltage or current) and scaling can easily be changed by the user. 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 Detailed information Measurement parameter(s) Relative humidity Temperature Absolute humidity Dew point temperature Enthalpy Mixing ratio Water vapor pressure Wet bulb Measurement range 0 ... 100 % RH -40 ... +60 °C (-40 ... +140 °F) T Measurement accuracy ±1.0 % RH (0 ... 90 % RH) ±1.7 % RH (90 ... 100 % RH) ±0.2 °C (±0.36 °F) T Operating temperature -40 ... +60 °C (-40 ... +140 °F) Operating voltage 10 ... 35 VDC, 24 VAC ±20% Analog outputs 4 ... 20 mA (default setting) 0 ... 20 mA 0 ... 1 V 0 ... 5 V 0 ... 10 V Digital outputs RS-232 Housing classification IP65 (NEMA 4)

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