Michell Easidew Online Dew Point Hygrometer

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Michell Easidew Online Dew Point Hygrometer is designed to measure the continuous measurement of dew point in the air. This Dew Point hygrometer is easy to install and supplied with 13-point calibration certificate. The application requires a to customize online system, we can specialized design and manufacturing capability according to cover your requirements.
Applications : Controlled environments in glove boxes, Membrane dryers, Compressed air dryers, Breathing air safety and quality, Moisture in welding gases, Hydrogen cooled electricity generators, Inert and bulk gases, and Hazardous areas.



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Michell Easidew Online Dew Point Hygrometer measures the range of -100 to +20°C dew point with a high accuracy rate. This Online Dew Point Hygrometer is easy to install and maintain. This Dew Point hygrometer measures and display the dew point and moisture content for the use of wide range of moisture applications.
Features of Easidew Online Dew Point Hygrometer:

  • Measurement range -100 to +20 °C (-148 to +68 °F) dew point
  •  Accuracy ±2 °C (±3.6 °F) dew point
  •  4 to 20 mA output
  •  Dew point or ppmV moisture content output
  •  Traceable 13-point calibration certificate
  •  Choice of AC or DC Power Supply
  •  Modbus RTU over RS485 output
  •  Dual configurable alarm outputs
  •  Sample block and cable included

Additional information


Michell Instruments


Easidew online hygrometer

Measuring Range

-110 to +20°C (-166 to +68°F) dew point; -100 to +20°C (-148 to 68°F) dew point


±2°C (±3.6°F) dew point

Response Time

5 mins to T95 (dry to wet)


0.5°C (0.9°F) dew point

Online Output Signals

4–20 mA or 0–20 mA; Modbus RTU over RS485; dual programmable relay alarms

Operating Temperature

Sensor: -40 to +60°C (-40 to +140°F); Monitor: 0 to +50°C (+32 to +122°F)

Operating Pressure

45 MPa (450 barg / 6527 psig) maximum


Dew point or moisture content

Supply voltage

AC: 85 to 264V; DC: 24V


Ingress Protection : Sensor: IP66 in accordance with standard BS EN 60529:1992+A2:2013; NEMA 4 protection in accordance with standard NEMA 250–2014 Monitor: IP65 (NEMA 4X) front panel only


Sensor: L=132mm x ø45mm / L=5.2” x ø1.77” (with connector cable) Monitor: 1/8 DIN Case, 96 x 48 x 85mm / 3.78 x 1.89 x 3.35” (w x h x d)

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Michell Easidew Online Dew Point Hygrometer

Michell Easidew Online Dew Point Hygrometer