Flagship Dewpoint and Temperature Transmitter DMT340 series

for Demanding Low Humidity Conditions

Condensation-resistant Vaisala DMT340 is designed for industrial low-humidity applications such as industrial drying, compressed air systems, semiconductor industry, dry rooms, baking ovens, and metal heat treatment to provide accurate and reliable measurement.


  • DMT341 for wall-mounting

  • DMT342 with small size flanged probe for use with sampling cell

  • DMT344 for pressurized processes, 

  • DMT347 with small pressure-tight probe

  • DMT348 for pressurized pipelines, see also DMP8

DMT340 is compatible with the Vaisala DRYCAP® Handheld Dew Point Meter DM70.


  • Vaisala DRYCAP® sensor provides accurate, reliable measurement with excellent long-term stability and fast response time

  • Condensation-resistant

  • Unique auto-calibration feature

  • Graphical display and keypad for convenient operation

  • Optional alarm relays and mains power supply module

  • Integrated data logging with over four years of measurement history

  • LAN communication option

  • Traceable calibration (certificate included)

Related Articles

Specific References


DMT340 Series Catalogue

Flagship Dewpoint and Temperature Transmitter DMT340 series

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