Easidew I.S. Dew-Point Transmitter

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The Easidew I.S. (intrinsically safe) transmitter is a dew-point transmitter designed and certified for use in hazardous area applications (flammable or explosive gases) in all regions with certification from: IECEx, CSA, FM and ATEX.

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The Easidew I.S. (intrinsically safe) transmitter is a dew-point transmitter designed and certified for use in hazardous area applications (flammable or explosive gases) in all regions with certification from: IECEx, CSA, FM and ATEX.

The Easidew I.S. is available with a a 5/8" UNF process connection or alternatively with a G1/2" BSP or 3/4" UNF 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.

	Easidew, Easidew M12 and Easidew 34 Transmitter	Easidew I.S. Transmitter
Performance Specifications
Measurement range	–110 to +20°C dew point; –100 to +20°C dew point; non standard ranges available on request
Accuracy	±2°C dew point*
Response time	5 mins to T95 (dry to wet)
Repeatability	0.5°C dew point
Calibration	Traceable 13 point calibration certificate
Electrical Specifications
Output signal	4–20 mA (2-wire connection, current source); User configurable over range Easidew M12: Modbus RTU over RS485
Output	Dew point or moisture content
Analog output scaled range	Dew point: –110 up to +20°C; Moisture content in gas: 0– up to 3000 ppm_V;
Supply voltage	12 to 28 V DC
Load resistance	Max 250 Ω @ 14 V (500 Ω @ 24 V)
Current consumption	23 mA max, depending on output signal
CE conformity	Approved
UL61010-1 & CAN/CSA C22.2 No. 61010-1
Operating Specifications
Operating temperature	-40 to +60°C
Compensated temperature range	-20 to +50°C
Storage Temperature	-40 to +60°C
Operating pressure	45 MPa (450 barg) maximum
Flow rate	1 to 5 Nl/min mounted in standard sampling block; 0 to 10 m/sec direct insertion
Mechanical Specifications
Ingress protection	IP66 in accordance with standard BS EN 60529:1992; NEMA 4 protection in accordance with standard NEMA 250–2003 Easidew M12: IP65
Intrinsically safe area certificates		ATEX: II 1 G Ex ia IIC T4 Ga (-20 to +70 °C) IECEx: EX ia IIC T4 Ga (-20 to +70 °C) TC TR@ 0Ex ia IICT4 Ga (-20 to +70 °C) FM: Class I, Division 1, Groups A B C D, T4 _CCSA_US: Class I, Division 1, Groups A B C D, T4
Oxygen service	Optional: cleaned for enriched oxygen
Housing material	316 stainless steel
Dimensions	MiniDIN 43650 form C L=132mm x ø45mm (with connector cable) Easidew M12: M12 5 pin L = 155mm x ø45mm (with connector cable)
Filter (sensor protection)	Standard: HDPE <10μm Optional: 316 stainless steel sintered guard <80μm
Process connection	Easidew: 5/8” - 18 UNF Easidew 34: 3/4” - 16 UNF Easidew M12: 5/8” -18 UNF, 3/4” - 16 UNF, G1/2” BSP	5/8” -18 UNF, 3/4” - 16 UNF, G1/2” BSP
Weight	150g
Electrical connections	Easidew: MiniDIN 43650 form C Easidew M12: M12 5 Pin (A coded)	MiniDIN 43650 form C
Mating Electrical Connectors	Mating connector supplied as standard Easidew M12: optional 0.8, 2, 5 metre M12 A coded connector/cable available
Diagnostic conditions (factory programmed)	Conditions Sensor fault Under-range dew point Over-range dew point Output 23 mA 4 mA 20 mA
Approved galvanic isolators		KFD2-CR-EX1.20200 KFD2-CR-EX1.30200 KFD0-CS-EX1.50P KFD0-CS-EX2.50P KFD2-STC4-EX1.H MTL5041 MTL5040
NOTES * Over Compensated Temperature Range

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Datasheet Easidew I.S. 2019.5.28 0.1 MB