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Vaisala Humidity and Temperature Transmitters for Demanding Humidity Measurement

Model: HMT 330 Series

The HMT330 transmitter family offers reliable performance for a wide variety of demanding industrial humidity measurements.
Quantity Price/Unit
0 or more POA
Datasheet (PDF)



▪ Six models for demanding industrial applications
▪ Full 0 to 100 %RH measurement, temperature range up to +180 °C (+356 °F) depending on model
▪ Pressure tolerance up to 100 bar depending on model
▪ 4th generation Vaisala HUMICAP® sensor for superior accuracy and stability
▪ Optional graphical display and keypad for convenient operation
▪ Multilingual user interface
▪ Excellent performance in harsh conditions; good chemical tolerance
▪ Corrosion-resistant IP65/IP66 housing
▪ 5-point calibration (certificate included)
▪ 10-year warranty when annually calibrated at the Vaisala Service Center
▪ RS232/485/422 WLAN/LAN
▪ MODBUS protocol support (RTU/TCP)
▪ Compatible with Vaisala view Linc software

The Vaisala HUMICAP® Humidity and Temperature Transmitter Series HMT330 is designed for demanding industrial applications where stable measurements and extensive customization are essential. With multiple options to choose from, the instrument can be tailored to meet the specific needs of each individual application.

Wide Range of Installation Options
The wide variety of measurement probes, several installation accessories, and universal mains
and DC power options make the instruments easy to install in various locations and kinds of environment; walls, poles, pipelines, and ducts, for example. The input/output cable can be fed through the back of the transmitter, which is a useful feature, especially for cleanroom installations

The HMT330 series includes six models:
• HMT331 for wall-mounted applications
• HMT333 for ducts and tight spaces
• HMT334 for high-pressure and vacuum applications
• HMT335 for high-temperature applications
• HMT337 for high-humidity applications
• HMT338 for pressurized pipelines

Please refer to product's datasheet (PDF)
Product Dimensions (mm): 183 x 116 x 77
Package Dimensions (mm): 0 x 0 x 0
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