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Vaisala HMT330 HUMICAP® Humidity and Temperature Transmitter
Vaisala Instruments

HMT330 HUMICAP® Humidity and Temperature Transmitter

Vaisala HMT330 Series

Top-of-the-line model for demanding industrial applications. A large numerical and graphical display. A fully configurable transmitter. Optional data logging and (W)LAN interface.

  • Warmed probe for superior performance in condensing environments
  • Shows measurement trends and 1-year history graphically
  • Corrosion resistant IP65 housing
  • NIST traceable (certificate included)
  • Integrated data logging, with over four years of measured history
  • LAN and WLAN communication options
  • Six models for demanding applications:
    HMT331 for wall mounting
    HMT333 for duct mounting and tight spaces
    HMT334 for high pressures up to 100 bar and vacu um conditions
    HMT335 for high temperatures
    HMT337 for high temperatures and in small spaces
    HMT337 for high humidity and meteorological applications
    HMT338 for pressurized pipelines up to 40 bar
Wall Mount Kit
Wall Mount
DIN Rail Mount Kit
DIN Rail Mount
Pole or Pipeline Mount Kit
Pole or Pipeline Mount
Rain Shield
Pole mount w/ Rain Shield
Solar Radiation Shield
Solar Radiation Shield
Meterological Kit
Meteorological Kit
   
PDF File HMT 330 Brochure
PDF File HMT 330 Order Guide
PDF File HMT 330 Operation Manual
 
Relative humidity measurement

Measurement range

0 ... 100 % RH

Accuracy at +20 °C (68 °F) ± 1.0 % RH (0 ... 90 % RH)
± 1.7 % RH (90 ... 100 % RH)
Sensor Vaisala HUMICAP® 180
Temperature measurement

Measurement range
  HMT331
  HMT333
  HMT334 / 335 / 337 / 338


-40 ... +60 °C
-40 ... +80 °C
-70 ... +180 °C

Accuracy at +20 °C (68 °F) ± 0.2 °C
Sensor Pt100 RTD 1/3 Class B IEC 751
Other variables available (depends on model)

Dewpoint, temperature, mixing ratio, absolute humidity, wet bulb temperature, enthalpy, water vapor pressure.

Operating environment

Temperature
  for probe
  for transmitter body
  with display


same as measurement ranges
-40 ...+ 60 °C (-40 ... +140 °F)
0 ...+ 60 °C (+32 ... +140 °F)

Pressure
  HMT334
  HMT338
  HMT333 / 335 / 337


0 ... 10 MPa (0 ... 100 bar)
0 ... 4 MPa (0 ... 40 bar)
vapor tight

Inputs and outputs
Operating voltage
  with optional power supply module
10 ... 35 VDC, 24 VAC
100 ... 240 VAC 50/60 Hz
Power consumption @ 20 °C (U in 24 VDC)
  RS-232
  U out 2 x 0 ... 1 V/ 0 ... 5 V/ 0... 10 V
  I out 2 x 0 ... 20 mA V

max. 25 mA
max. 25 mA
max. 60 mA
Analog outputs 0 ... 20 mA, 4 ... 20 mA, 0 ... 1 V, 0 ... 5 V, 0 ... 10 V
Digital outputs RS-232, RS-485 (optional)
Menu languages English, French, Spanish, German, Japanese, Swedish, Finnish
Mechanical

Probe cable diameter
  HMT333
  other probes


6.0 mm
5.5 mm

Material (housing) G-AlSi 10 Mg (DIN 1725)
Housing classification IP65 (NEMA 4)

HMT330 Industrial Series



HMT331 RH & T Transmitter for Wall Mounting HMT331 RH & T Transmitter for Wall Mounting
Code: VIHMT331
Price: $2,010.00
Quantity in Basket: none
 



HMT333 RH & T Transmitter for General Industrial Use HMT333 RH & T Transmitter for General Industrial Use
Code: VIHMT333
Price: $1,590.00
Quantity in Basket: none
 



HMT334 RH & T Transmitter for Pressurized Processes HMT334 RH & T Transmitter for Pressurized Processes
Code: VIHMT334
Price: $2,660.00
Quantity in Basket: none
 



HMT335 RH & T Transmitter for High Temperature HMT335 RH & T Transmitter for High Temperature
Code: VIHMT335
Price: $2,060.00
Quantity in Basket: none
 



HMT337 RH & T Transmitter for High Temperature and Small Spaces HMT337 RH & T Transmitter for High Temperature and Small Spaces
Code: VIHMT337HT
Price: $2,060.00
Quantity in Basket: none
 



HMT337 RH & T Transmitter with Warmed Probe for High Humidities HMT337 RH & T Transmitter with Warmed Probe for High Humidities
Code: VIHMT337HH
Price: $3,060.00
Quantity in Basket: none
 



HMT338 RH & T Transmitter for Pressurized Pipelines HMT338 RH & T Transmitter for Pressurized Pipelines
Code: VIHMT338
Price: $2,400.00
Quantity in Basket: none
 






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