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Quick Details

  • Place of Origin: United Kingdom
  • Brand Name: Michell
  • Model Number: Easidew
  • Measurement Range: -100 to +20°Cdp
  • Accuracy: ±2°Cdp
  • Response Time: 5 mins to T95 (dry to wet)
  • Repeatability: 0.5°Cdp
  • Calibration: Traceable 7-point calibration certificate
  • Output Signal: 4-20 mA (2-wire connection, current source)
  • Supply Voltage: 12 to 28 V DC
  • Current Consumption: 20 mA max
  • Operating Temperature: -40 to + +60°C
  • Operating Pressure: 45MPa (450 barg/6500 psig) max

Packaging & Delivery

Packaging Details standard carton box
Delivery Time 15 days

Easidew Dew-Point Transmitter


The Easidew is a dew-point transmitter with a 5/8” process connection. It is designed for ease of use, incorporating all of the features needed to make installation and operation into your air or gas management system as simple as possible.

Michell’s Advanced Ceramic Moisture Sensor technology based transmitter is calibrated to international standards and is delivered with a traceable calibration certificate. 


Product Features

  • 5/8” UNF process connection
  • Dew point or ppmV moisture content
  • 2-wire loop powered connection
  • Rugged 316 stainless steel IP66 construction
  • Measurement range -100 to +20°Cdp
  • Accuracy ±2°Cdp
  • Calibration Certificate (NPL, NIST)


Technical Specifications

Measurement Range-100 to +20°Cdp
Response Time5 mins to T95 (dry to wet)
CalibrationTraceable 7-point calibration certificate
Electrical Specifications
Output Signal4-20 mA (2-wire connection, current source)
User-configurable over range
OutputDew point, moisture content in ppmV
Analog Output Scaled RangeDew point: -100 to +20°C
Moisture content in gas: 0-3000ppmV
Non-standard available upon request
Supply Voltage12 to 28 V DC
Load ResistanceMax 250 Ω @ 12 V (500 Ω @ 24 V) 
500 Ω @ 24 V
Current Consumption20 mA max
CE MarkedCertified
Operating Specifications
Operating Temperature-40 to + +60°C
Operating Pressure45MPa (450 barg/6500 psig) max
Overpressure Ratingx2 operating pressure 90 MPa (900 barg)
Flow Rate1 to 5 Nl/min mounted in standard sampling block;
0 to 10m/sec direct insertion insertion
Temperature CoefficientTemperature compensated across operating temperature range
Mechanical specifications
Ingress ProtectionIP66 in accordance with standard BS EN 60529:1992
NEMA 4 in protection accordance with standard NEMA 250-2003
Housing Material316 stainless steel
DimensionsL=132mm x ø45mm (with connector)
(Sensor Protection)
Standard: HDPE guard <10µm 
Optional:  316 stainless steel sintered guard <80µm
Process Connection and Material5/8" - 18 UNF 
316 stainless steel
InterchangeabilityFully interchangeable transmitter
Electrical ConnectionsHirschmann GDS series (DIN 4350-C)
Diagnostic Conditions
(Factory Programmed)
Sensor fault
Under-range dew point
Over-range dew point
23 mA
4 mA
20 mA
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