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Michell Instruments

EA2-IS-TX I.S. Dew Point Transmitter

Designed & certified for use in hazardous area applications in all regions w/ certification from: IECEx, CSA, FM and ATEX.

Have questions? We're here to help!
Have questions? We're here to help!
The Easidew I.S. (intrinsically safe) is designed to measure trace moisture and water dew-point in hazardous area applications. It is certified for measuring trace moisture in flammable or explosive gases and a wide range of non-polar liquids. It carries global hazardous area certification from IECEx, cQPSus, ATEX, and UKCA.
 

The Easidew I.S. is available with a choice of process connections for easy installation or retrofit.

• Measurement ranges -110 up to +20 °Cdp
• Dew point or ppmV moisture content output
• 2-wire loop power connection
• Accuracy ±2 °Cdp
• Traceable calibration certificate
• Easidew I.S. IECEx, cQPSus, ATEX and UKCA approvals
• Low cost of ownership and easy maintenance with sensor exchange program
• 316 Stainless steel sensor and sample blocks
• 5/8” UNF, 3/4” UNF, G 1/2” process connections
• KF40 Glove box flange
• Oxygen service cleaned
Operating Temperature-40 to +60°C
Compensated Temperature Range:-20 to +50°C
NOTE: The transmitter accuracy statement is only valid for the temperature range: -20/+50°C
Storage Temperature:-40 to +60°C
Operating Pressure45 MPa (450 barg) maximum
Overpressure Ratingx2 operating pressure 90 MPa (900 barg)
Flow Rate1 to 5 Nl/min mounted in standard sampling block
0 to 10 m/sec direct insertion
Mechanical Specifications
Ingress Protection SensorIP66 in accordance with standard BS EN 60529:1992
NEMA 4 in protection accordance with standard NEMA 250-2003
Hazardous Area Certificates ATEX: II 1 G Ex ia IIC T4 Ga (–20°C to +70°C)
IECEx: Ex ia IIC T4 Ga (–20°C to +70°C)
TC TR: 0Ex ia IIC T4 Ga (–20°C to +70°C)
FM: Class I, Division 1, Groups A B C D, T4
cCSAus: Class I, Division 1, Groups A B C D, T4
Housing Material316 Stainless steel
DimensionsL=132mm x Ø45mm (with connector)
Filter (Sensor Protection)Standard: HDPE Guard <10μm
Optional: 316 stainless steel sintered guard <80μm
Process Connection and Material5/8"- 18 UNF
Alternatives: G1/2" BSP or 3/4"- 16 UNF 316 stainless steel
Weight150g
InterchangeabilityFully interchangeable transmitter
Electrical ConnectionsHirschmann GDS series (DIN 4350-C)
Diagnostic Conditions (Factory Programmed)Condition-Output
Sensor Fault-23mA
Under range dew point-4mA
Over range dew point-20mA
Approved Galvanic IsolatorsKFD2-CR-EX1.20200 KFD2-STC4-EX1.H
KFD2-CR-EX1.30200 MTL5041
KFD0-CS-EX1.50P MTL5040
KFD0-CS-EX2.50P
Performance
Measurement Range-100 to +20°C dew point
-110 to +20°C dew point
Accuracy±2°C dew point
Response Time5 mins to T95 (dry to wet)
Repeatability0.5°C dew point
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 Range Dew point: -100 to +20°C
Moisture content in gas: 0 - 3000 ppmV
Non-standard available upon request
Supply Voltage12 to 28 V DC
Load ResistanceMax 250 Ω @ 12 V (500 Ω @ 24 V)
Current Consumption20 mA max
CE Marked Certified
Operating Specifications
• Trace moisture in flammable or non-flammable non-polar liquids
• Dew-point measurements in flammable or explosive gases, including natural gas
• Compressed air dryers in hazardous areas
• Trace moisture and dew-point measurements in CNG Stations
  • Thumbnail of document Data Sheet - EA2-IS-TX I.S. Dew Point Transmitter
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    Data Sheet - EA2-IS-TX I.S. Dew Point Transmitter

    Download
  • Thumbnail of document Manual - EA2-IS-TX I.S. Dew Point Transmitter
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    Manual - EA2-IS-TX I.S. Dew Point Transmitter

    Download

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