Vaisala HUMICAP® Humidity and Temperature Transmitter HMT337

  • For high humidity and meteorological applications
  • Warmed probe for superior performance in condensing environments
  • Shows measurement trends and 1-year history graphically
  • Corrosion resistant IP65 housing
  • NIST traceable (certificate included)

 

Relative humidity measurement

Measurement range
Accuracy at +20 °C (68 °F)

Sensor

0 ... 100 % RH
± 1.0 % RH (0 ... 90 % RH)
± 1.7 % RH (90 ... 100 % RH)
Vaisala HUMICAP® 180

Temperature measurement

Measurement range
Accuracy at +20 °C (68 °F)
Sensor

-70 ... +180 °C
± 0.2 °C
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
Pressure


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

Inputs and outputs

Operating voltage
     with optional power supply module
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
Analog outputs
     current output
     voltage output
Digital outputs
Menu languages

10 ... 35 VDC, 24 VAC

100 ... 240 VAC 50/60 Hz


max. 25 mA

max. 25 mA
max. 60 mA

0 ... 20 mA, 4 ... 20 mA
0 ... 1 V, 0 ... 5 V, 0 ... 10 V
RS-232, RS-485 (optional)
English, French, Spanish, German, Japanese, Russian, Swedish, Finnish

Mechanics

Probe cable diameter
Material (housing)
Housing classification

5.5 mm
G-AlSi 10 Mg (DIN 1725)
IP65 (NEMA 4)

For complete specifications, please see the brochure or user guide in "Product Documentation".

Brochures

Order Forms

User Guides

Wiring Diagrams

Vaisala News articles

OEM and integration contact

Vaisala Oyj
P.O.Box 26
FI 00421 Helsinki
Finland
Phone: +358-9-8949 2699
Fax: +358-9-8949 2485
Switchboard: +358-9-89491
Email: metinstruments@vaisala.com

Calibration services

Calibrated quantities
Traceability

relative humidity, temperature
NIST

Calibration services are available at Vaisala service centers for a fixed price.
-Accredited calibrations (ISO17025)
-Factory calibrations (ISO9001)

Calibration price includes:
-calibration and certificate before adjustment
-adjustment to meet specifications
-calibration and certificate after adjustment
-replacement of wearing parts

Spare parts

Common spare and wearing parts are available. For availability contact sales.

Repair

Repair services are available at Vaisala service centers for a fixed price.

Repair price includes:
-repair work
-required parts
-calibration certificate
-service report

Technical support

Technical support for your installed units, contact helpdesk@vaisala.com.


HMT330 Humidity Transmitters

This page was printed from www.vaisala.com on Jul 6, 2008
URL: http://www.vaisala.com/weather/products/weatherinstruments/humiditytemperature/hmt337