DM70 Hand-held Dewpoint and Temperature Meter set for Refrigerant Dryers, -40 to +60°C Dewpoint - Vaisala Online Store

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DM70 Hand-held Dewpoint and Temperature Meter set for Refrigerant Dryers, -40 to +60°C Dewpoint

The Vaisala DRYCAP® Hand-Held Dewpoint Meter DM70 measures dew point and temperature accurately over a wide measurement range. The probe may be inserted directly into pressurized processes up to 20 bar (290 psi), and it responds rapidly from ambient to process conditions. The sensor withstands condensation and fully recovers from getting wet. This DM70 model is especially suitable for checking the operation of refrigerant dryers in compressed air systems.

The DM70 also supports the use of Vaisala's humidity, carbon dioxide and moisture in oil probes, making it a versatile investment applicable to several multi-parameter applications. Two probes can simultaneously be connected to the DM70.

The MI70 Link Windows® software and the USB connection cable form a practical mean for transferring logged and real time measurement data from the DM70 to a PC. Included in the package

  • MI70 hand-held indicator
  • DMP74A dew point probe Td/f: -40 to 60°C (-40 to 140°F)
  • Calibration certificate
  • DSC74 sampling cell with quick connect fitting for convenient process installation
  • Rechargeable battery pack and universal AC adapter
  • USB cable and MI70LINK software
  • User guide in English
  • Professional carrying case

Factory calibration options

ISO 9001 standard calibration option:
• -40, -10 and +4 °C Td/f

ISO/IEC 17025 accredited calibration options:
• -57, -40, -10 °C Td/f
• -57, -40, -30, -20, -10 °C Td/f
• -57, -40, -10 °C Td/f and +20, +40 °C
• -57, -40, -30, -20, -10 °C Td/f and -10, 0, +20, +40, +60 °C

DM70 Hand-held Dewpoint and Temperature Meter set for Refrigerant Dryers, -40 to +60°C Dewpoint
DM70 Hand-held Dewpoint and Temperature Meter for Refrigerant Dryers
Standard delivery time for single unit: 1 week
About delivery times »
Warranty: 24 months
About warranty »
Choose factory calibration for the instrument

Part no. DM70F5A1A3B1

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Detailed information

Measurement parameter(s)Dew point temperature
Absolute humidity*
Dew point converted to atmospheric pressure*
Mixing ratio*
ppm volume and weight concentration*
Relative humidity*
Measurement range-40 ... +60 °C (-40 ... +140 °F) Td
-10 ... +60 °C (+14 ... +140 °F) T
Measurement accuracy±2 °C (± 3.6 °F) Td
±0.2 °C (±0.36 °F) T
Operating temperature-10 ... +60 °C (+14 ... +140 °F)
Operating pressure0 ... 20 bar (0 ... 290 psi)
Operating voltageRechargeable NiMH battery pack and universal AC adapter
Analog outputs0 ... 1 V
Housing classificationIP65 (NEMA 4) for probe
IP54 for MI70 indicator
Links See full specifications on
Download user guides and other product documents on

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