Catalogues - humidity-and-temperature-transmitters-for-industrial-applications

Catalogue Humidity and Temperature Transmitters for Industrial Applications

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VAISALA - 2068, 141211, 89146, 94200, 3075, 90981

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•!• YAISALA

P.O. Box 26, FI-00421 Helsinki, FINLAND Tel. +358 9 894 91

Fax: +358 9 8949 2485

Email: industrialsales@vaisala.com www.vaisala.com/HMT330

HMT337 Humidity and Temperature transmitter for High Humidity Applications

Features/Benefits

• For high-humidity applications in industry and meteorology

• Warmed probe for superior performance in condensing environments

• Small, stainless steel, vapor-tight remote probe

• For temperatures -70 ... +180 °C (-94... +356 °F)

. Vaisala HUMICAP Sensor for excellent accuracy and stability

• High tolerance of chemicals

• Graphical display of measurement trends and over four-year history

• Corrosion resistant IP65 housing

• NIST traceable (certificate included)

The HMT337 is the ideal professional transmitter for the most demanding process and meteorological measurements.

If the relative humidity value is needed, an additional temperature sensor suppliers is used. The measured ambient temperature provides the compensation for calculating relative humidity and other humidity parameters.

Many ways to install

A tight installation through a process wall can be achieved with Swagelok* professional fittings. Meteorological installation kits for outdoor installations and duct installation kits are also available.

The Vaisala HUMICAP' Humidity and Temperature Transmitter HMT337 is delivered in one of three configurations:

• Basic: non-warmed probe for moderate humidities

• With a warmed probe: for near-condensing conditions and dew point measurement

• With awarmed probe and an additional temperature sensor: for near-condensing conditions and relative humidity measurement

True humidity readings in conditions of condensation

The Vaisala unique warmed probe provides fast and reliable measurement in environments where humidity is near saturation. The warming prevents condensation from forming on the sensor.

As the probe is warmed, the humidity level inside it stays belowthe ambient level. With accurate temperature metering, the ambient dewpoint can be calculated precisely.

Technical Data

Temperature measurement range

_-70 ... +180 °C (-94 ... +356 °F)

Accessories_

Cable gland and AGRO HMP247CG

Duct installation kit

(RHprobe) 210697

Duct installation kit

(Tprobe) 215003

Swagelok fittings (NPT and ISO) for both RH and T probes

Solar radiation shield DTR502B

Meteorological inst. kit HMT330MIK

PCsoftware + cable 215005

USB-RJ45 Serial Connection Cable 219685 Connection cable for HM70 211339

Wall mounting plate 214829

(plastic)

Pole installation kit 215108

Rainshield 215109

DIN rail installation set_215094

Dimensions

Dimensions in mm (inches)

Duct installation kit

37.5 (1.48)

79.5 (3.13)

99.5 (3.92)

130 (5.12)