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Vaisala DMT143 and DMT143L Miniature Dew Point Transmitters

Vaisala DMT143 and DMT143L Miniature Dew Point Transmitters

The Vaisala DMT143 and DMT143L provide compact, dependable dew-point measurement for small industrial dryers, compressed-air systems, glove boxes and OEM equipment.

  • Dew-point measurement range across the family from −70 to +60 °C Td/f
  • Accuracy up to ±2 °C Td/f
  • Vaisala DRYCAP® technology with automatic calibration
  • Resistant to condensation, compressor oil and particulate contamination
  • Analog output and RS-485 with Modbus RTU options
  • Compatible with the Vaisala Indigo80 handheld indicator
Vaisala DMT152 Dew Point Transmitter – Discontinued

Vaisala DMT152 Dew Point Transmitter – Discontinued

The Vaisala DMT152 provides accurate dew-point measurement down to −80 °C Td/f for ultra-dry industrial and OEM applications. This model is discontinued and has been replaced by the Vaisala DMT153.

  • Calibrated dew-point range from −80 to −20 °C Td/f
  • Accuracy up to ±2 °C Td/f
  • Operating pressure up to 50 bar
  • Analog outputs and RS-485 communication
  • DRYCAP® sensor resistant to condensation and contamination
  • Use DMT153 for new projects
Vaisala DMT132 Dew Point Transmitter for Refrigerant Dryers

Vaisala DMT132 Dew Point Transmitter for Refrigerant Dryers

The Vaisala DMT132 is a compact and economical dew-point transmitter designed to verify refrigerant-dryer performance by measuring the actual outlet-air dew point.

  • Dew-point measurement range from −30 to +50 °C Td/f
  • Accuracy up to ±1 °C in the typical refrigerant-dryer range
  • Two-wire, loop-powered 4–20 mA output
  • Operating pressure up to 20 bar
  • Resistant to condensation and compressor oil
  • Optional warning LED and loop-powered display
Vaisala DMT345 and DMT346 High-Temperature Dew Point Transmitters – Discontinued

Vaisala DMT345 and DMT346 High-Temperature Dew Point Transmitters – Discontinued

The Vaisala DMT345 and DMT346 provided direct dew-point measurement in hot industrial drying processes. Both models are discontinued and replaced by Vaisala DMP5 or DMP6 smart probes with an Indigo transmitter.

  • DMT345: former solution for processes up to +180 °C
  • DMT346: former solution for very hot processes up to +350 °C
  • DMT345 replacement: DMP5 with a suitable Indigo transmitter
  • DMT346 replacement: DMP6 with a suitable Indigo transmitter
  • Direct in-process measurement without a conventional sampling system
  • Contact Seacom for mechanical and electrical migration review
Vaisala DMT340 Dew Point and Temperature Transmitter – Discontinued

Vaisala DMT340 Dew Point and Temperature Transmitter – Discontinued

The Vaisala DMT340 Series provided configurable dew-point and temperature measurement for industrial low-humidity applications. The series is discontinued and replaced by Vaisala Indigo500 transmitters with DMP7 or DMP8 smart probes.

  • Former models: DMT341, DMT342, DMT344, DMT347 and DMT348
  • Designed for dry rooms, industrial dryers, compressed air and process gases
  • Legacy display, data logging, analog, relay and communication options
  • Use DMP7 for compact, wall-mounted or tight-space applications
  • Use DMP8 for pressurised processes and pipelines
  • Pair the selected probe with an Indigo500 transmitter
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