Updated:2023-09-20
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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) | |||||||
Diagnostic Conditions (Factory Programed) |
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Approved Galvanic Isolators |
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Suitable Applications
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