HMT335 Humidity and Temperature Transmitter with Remote Probe (10 m Cable) for Temperatures Up to +180°C (+356°F) - Vaisala Online Store

/ Online Store

Your location
appears to be United States.

HMT335 Humidity and Temperature Transmitter with Remote Probe (10 m Cable) for Temperatures Up to +180°C (+356°F)

The HMT335 is a top-of-the-line versatile instrument with a stainless steel probe designed to withstand high temperatures. The HMT335 is ideal for duct measurements as the probe tolerates mechanical stress and withstands high flow rates. For example, the HMT335 can be used in hot drying processes. 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 HMT335 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...+180°C (-40...+356°F) T

The package includes:

  • 25 cm (10") stainless steel probe with 10 m (33 ft) cable
  • Installation flange, allowing an adjustable installation depth for the probe
  • 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

HMT335 Humidity and Temperature Transmitter with Remote Probe (10 m Cable) for Temperatures Up to +180°C (+356°F)
HMT335 Humidity (Several Psychrometric Units) and Temperature Transmitter with Remote Probe (5 m Cable) for Temperatures Up to +180°C (+356°F)
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 »
Choose operating voltage
Quantity Price
+ VAT

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
-70 ... +180 °C (-94 ... +356 °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-70 ... +180 °C (-94 ... +356 °F)
High temperature+180 °C (+356 °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


Did not find products or accessories and spares parts you were looking for?
Online Store has a limited selection of our products. See our full product offering»
Discuss your specific needs with our knowledgeable Sales Engineers. Find your local sales contact»

Shopping cart
Total 0,00 €

About the Online Store

Contact Us

Payment Methods

Trusted Commerce