Dew Point and Temperature Meter Series DMT340

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


  • 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
  • Traceable calibration (certificate included)

Looking for DMT340 performance with interchangeable probes and a transmitter supporting two probes? View Indigo family.

There are several models for different types of needs:

  • DMT341 for wall-mounting, see also DMP7
  • DMT344 for pressurized processes, see also DMP8
  • DMT347 with small pressure-tight probe, see also DMP7
  • DMT348 for pressurized pipelines, see also DMP8

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

Key benefits

Choose the probe suitable for your needs

Five different probe types designed to meet various requirements.

Easy maintenance

The Vaisala DRYCAP® sensor is immune to particulate contamination, water condensation, oil vapor, and most chemicals.

Stable measurement

The auto-calibration feature allows the transmitter to perform calibration and adjustment by itself while the measured process is running.

Product Resources