HMT333 Humidity and Temperature Transmitter with Remote Probe for Ducts or Tight Spaces with 5 m cable, 1%RH accuracy - Vaisala Online Store

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HMT333 Humidity and Temperature Transmitter with Remote Probe for Ducts or Tight Spaces with 5 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.

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 5 m (16.5 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

HMT333 Humidity and Temperature Transmitter with Remote Probe for Ducts or Tight Spaces with 5 m cable, 1%RH accuracy
HMT333 Humidity (Several Psychrometric Units) and Temperature Transmitter with Remote Probe for Ducts or Tight Spaces
Standard delivery time for single unit: 1 week
About delivery times »
Warranty: 24 months, extended to 10 years if calibrated annually at a Vaisala service center
About warranty »
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Detailed information

Measurement parameter(s)Relative humidity
Temperature
Absolute humidity
Dew point temperature
Enthalpy
Mixing ratio
Water vapor pressure
Wet bulb
Measurement range0 ... 100 % RH
-40 ... +80 °C (-40 ... +176 °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 ... +80 °C (-40 ... +176 °F)
Operating voltage10 ... 35 VDC, 24 VAC ±20%
Analog outputs4 ... 20 mA (default setting)
0 ... 20 mA
0 ... 1 V
0 ... 5 V
0 ... 10 V
Digital outputsRS-232
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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