HMT333 Humidity and Temperature Transmitter with Remote Probe for Ducts or Tight Spaces, 2 m cable, 1%RH accuracy

The HMT333 is the top-of-the-line versatile instrument for applications where a small remote probe is needed. 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.

See other HMT330-series transmitters
Field check and adjust your transmitter using a HM70 humidity meter

Vaisala offers a 10-year warranty for new HMT333 transmitters that are calibrated annually at a Vaisala Service Center. Please see the details on our web page and the conditions of the 10-year warranty.

Analog outputs are preset at the factory to:

• Channel 1: 4…20 mA = 0...100% RH
• Channel 2: 4...20 mA = -40...+80°C (-40...+176°F) T

The package includes:

• Compact probe with 2 m (6.5 ft) cable
• Calibration certificate (ISO9001 compliant, traceable to NIST)
• M20x1.5 cable gland and NPT1/2" conduit fitting included to facilitate wiring
• User's Guide in English