- Brand: Michell Instruments
Tags: Easidew, Dew-Point, Transmitter, Series, Michell, Instruments
Simple to install and maintain, the Easidew transmitter series measures dew point and moisture
content and is available with a range of process connections and electrical connectors. All Easidew models are available with
service exchange program which reduces the cost of maintenance.
Michell’s Advanced Ceramic Moisture Sensor technology
based transmitter is calibrated to international standards and
is delivered with a traceable calibration certificate.
Product Features
- 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
- Power supply 12 to 28 V DC
- Easidew I.S. IECEx, cCSAus, FM and ATEX 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
- MiniDIN 43650, M12 electrical connectors
- Oxygen Service Cleaned
3D CAD files (Step)
- Includes
- Easidew 5/8 UNF
- Easidew 34 3/4 UNF
- Easidew M12 5/8 UNF
- Easidew M12 3/4 UNF
- Easidew M12 G1/2
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Technical Specifications
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 ppmV; | ||
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 CCSAUS: 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 |