Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Updated:2025-03-13
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Product Manual
Moisture Measurement in Hazardous Areas
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
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
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.
Specifications
| Performance | ||||||||
| Measurement Range |
-100...+20°C dew point -110...+20°C dew point |
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| Accuracy | ±2°C dew point | |||||||
| Response Time | 5 mins to T95 (dry to wet) | |||||||
| Repeatability | 0.5°C dew point | |||||||
| Calibration | Traceable 7-point calibration certificate | |||||||
| Electrical Specifications | ||||||||
| Output Signal |
4...20 mA (2-wire connection, current source) User-configurable over range |
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| Output | Dew point, moisture content in ppmV | |||||||
| Analog Output Scaled Range |
Dew point: -100...+20°C Moisture content in gas: 0 - 3000 ppmV Non-standard available upon request |
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| Supply Voltage | 12...28 V DC | |||||||
| Load Resistance | Max 250 Ω @ 12 V (500 Ω @ 24 V) | |||||||
| Current Consumption | 20 mA max | |||||||
| Compliances | CE & UKCA | |||||||
| Operating Specifications | ||||||||
| Operating Temperature | -40...+60°C | |||||||
| Compensated Temperature Range: |
-20...+50 °C NOTE: The transmitter accuracy statement is only valid for the temperature range: -20/+50 °C |
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| Storage Temperature: | -40...+60 °C | |||||||
| Operating Pressure | 45 MPa (450 barg) maximum | |||||||
| Overpressure Rating | x2 operating pressure 90 MPa (900 barg) | |||||||
| Flow Rate |
1...5 Nl/min mounted in standard sampling block 0...10 m/sec direct insertion |
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| Mechanical Specifications | ||||||||
| Ingress Protection Sensor |
IP66 in accordance with standard
BS EN 60529:1992 NEMA 4 in protection accordance with standard NEMA 250-2003 |
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| Hazardous Area Certificates |
ATEX/UKCA: II 1 G Ex ia IIC T4 Ga (–20 °C...+70 °C) IECEx: Ex ia IIC T4 Ga (–20 °C...+70 °C) TR CU: 0Ex ia IIC T4 Ga (–20 °C...+70 °C) cQPSus: IS, Class I, Division 1, Groups A, B, C & D, T4 Class I, Zone 0, AEx ia IIC T4 Ga, Ex ia IIC T4 Ga Tamb +70°C |
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| Housing Material | 316 Stainless steel | |||||||
| Dimensions | L=132mm x Ø45mm (with connector) | |||||||
| Filter (Sensor Protection) |
Standard: HDPE Guard <10μm Optional: 316 stainless steel sintered guard <80μm |
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| Process Connection and Material |
5/8"- 18 UNF Alternatives: G1/2" BSP or 3/4"- 16 UNF 316 stainless steel |
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| Weight | 150g | |||||||
| Interchangeability | Fully interchangeable transmitter | |||||||
| Electrical Connections | Hirschmann GDS series (DIN 4350-C) | |||||||
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Diagnostic Conditions (Factory Programed) |
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| Approved Galvanic Isolators |
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Suitable Applications
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