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VAISALA DM70 HAND HELD DEWPOINT METER ~ MI70 DMP74B DMP74 DEW POINT is available to buy in increments of 1
Vaisala DM70 Hand Held Dewpoint Meter

While the DM70 is designed for high accuracy in very dry conditions, the sensor fully recovers from condensation. This model offers various configuration options suitable for checking the operation of desiccant or refrigerant dryers in compressed air systems. It is also commonly used for transformer and plastics drying, as well as nitrogen purged systems.

In addition to dew point and temperature, DM70 displays other calculated humidity parameters (dew point converted to atmospheric pressure, ppm volume and ppm weight concentration, absolute humidity, mixing ratio, relative humidity), all available in both metric (°C) and non-metric (°F) units.

The DM70 includes an MI70 indicator and one DMP74B probe option for dew point temperatures:

  • Measurement range: DMP74B -60...+20°C Td
  • Measurement accuracy: At -60 ... +20 °C: ±2 °C (±3.6 °F)
  • Operating pressure: 0 ... 20 bara (0 ... 290 psia)
  • IP rating: IP65 (NEMA 4)

System includes MI70 indicator, DMP74B probe, DSC74 sampling cell, power supply, and soft carry case.

DSC74 Sampling Cell with Quick Connector and Leak Screw

  • The DSC74 has been designed especially for compressed air lines. The sampling cell contains an adjustable leak screw that allows keeping up the pipeline pressure at the sensor. The leak screw is opened and closed with a screwdriver. The leak screw should be 1/2 turn open. This can be verified by first closing the leak screw, then turning 1/2 turn to open it. Then the air coming out will make a barely audible little hiss and it can be lightly felt when putting a hand in front of the air stream.

MI70 USB Connection Cable

  • For HM70, DM70, MM70 and GM70 meters
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Condition Used
Warranty This unit will arrive in the condition shown. It comes with a 14 Day Guarantee against being DOA from receipt.