Intrinsically Safe Dew-Point Measurement in Hazardous Areas
Made in United Kingdom. brand Michell, model Easidew PRO I.S.
International delivery to United Arab Emirates, Kuwait, Qatar, Saudi Arabia, Saudi Arabia, Bahrain, Oman and other Middle Eastern countries.
Our warehouses are located in UAE. Delivery to other countries (Europe, North and South America, Asia, Africa) is discussed individually.
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The Easidew PRO I.S. Intrinsically safe dew-point transmitter measures moisture in demanding process and refinery applications in either gases or non-polar liquids.
It offers a wide measurement range of –110 to +20 °Cdp, is easily integrated into existing systems and has global certifications for use in hazardous areas. The unit’s robust housing protects the electronics from harsh environmental conditions.
Based on Michell’s Ceramic Metal-Oxide Moisture Sensor, the Easidew PRO I.S. gives long term stability and a fast response to changes in moisture. With high-volume manufacturing capacity, the Easidew PRO I.S. is suitable for use by OEMs and systems integrators, who require short and consistent lead times.
Applications
| Product | Easidew PRO I.S. for Gases | Easidew PRO LQ I.S. for Liquids | |
| Performance Specifications | |||
| Measurement range | -110…+20 °C (-166…+68 °F) dew point -100…+20 °C (-148…+68 °F) dew point |
0…1000 ppmW capability – factory configured to customer-required range and application | |
| Accuracy | ±1 °C (±1.8 °F) dew point (+20…-60 °C / +68…-76 °F) ±2 °C (±3.6 °F) dew point (-60…-110 °C / -76…-166 °F) |
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| Response time | 5 mins to T95 (dry to wet) | ||
| Repeatability | 0.5 °C (0.9 °F) dew point | ||
| Calibration | Traceable 13-point calibration and certificate | ||
| Electrical Specifications | |||
| Output signal | 4…20 mA (2-wire connection, current source); User configurable over range | ||
| Output | Dew point or moisture content | Moisture content | |
| Analog output scaled range | Dew point: -110…+20 °C (-166…+68 °F) or -100…+20 °C (-148…+68 °F) Moisture content in gas: 0…3000 ppmV Non-standard: mg/m3, lbs/MMSCF natural gas |
Moisture content in liquid: 0…1000 ppmW capability – factory configured to customer-required range and application | |
| Supply voltage | 12–28 V DC | ||
| Load resistance | Max 250 Ω @ 12 V (500 Ω @ 24 V) | ||
| Current consumption | 23 mA max, depending on output signal | ||
| Saturation constants (for moisture in liquids measurements only) | 6-point look-up table for saturation constants up to 1000 ppmW over the temperature range 0…+50 °C (32…+122 °F); saturation constants for 10 common liquids can be programmed into the Easidew PRO LQ I.S. via the application software; alternatively, the user can program saturation constants manually | ||
| Compliances | CE & UKCA | ||
| Operating Specifications | |||
| Operating temperature | -40…+60 °C (-40…+140 °F) | ||
| Compensated Temperature Range | -20…+50 °C (-4…+122 °F) NOTE: The transmitter accuracy statement is only valid for the temperature range: -20/+50 °C (-4/+122 °F) |
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| Storage Temperature | -40…+60 °C (-40…+140 °F) | ||
| Operating pressure | 52.5 MPa (525 barg / 7614 psig) maximum | ||
| Flow rate | 1…5 Nl/min mounted in standard sampling block 0…10 m/sec direct insertion |
0.1…0.3 L/min through Easidew sample block 0.1…1 m/s direct insertion |
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| Mechanical Specifications | |||
| Ingress protection | IP66 in accordance with standard BS EN 60529:1992; NEMA 4 protection in accordance with standard NEMA 250-2003 | ||
| Intrinsically safe 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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| Russian pattern approval | Russia (GOST-R), Kazakhstan (GOST-K) | ||
| Canadian pressure vessel cert | C.R.N. – 11 Canadian provinces – 138 barg maximum | ||
| Oxygen service | Optional: cleaned for enriched oxygen | ||
| Housing material | 316 stainless steel | ||
| Filter (sensor protection) | Standard: Stainless steel sintered guard (for protection against fine particulate >80µm) Optional: HDPE guard (for protection against fine particulate >10µm) |
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| Process connection and material | 316 stainless steel 5/8” – 18 UNF with bonded seal, G1/2” and 3/4” UNF adapters available (material certificate to BS EN 10204 3.1 – see ‘accessories and spare parts’ on product order codes) | ||
| Weight | 1.27 kg (2.8 lb) | ||
| Electrical connections | Screw terminal via female M20 x 1.5 mm gland | ||
| Diagnostic conditions (factory programmed) | Condition Sensor fault Under-range dew point Over-range dew point |
Output 23 mA 4 mA 20 mA |
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| Approved galvanic isolators | KFD0-CS-EX2.50P KFD0-CS-EX1.50P KFD2-STC4-EX1.H MTL5541 |
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* The end user has a responsibility to ensure that when installed in the Hazardous Area, the system is compliant with relevant local
and international installation Standards for the use of equipment in explosive atmospheres.
You can request the necessary certificates, documentation, instructions and user guide for Michell Easidew PRO I.S. using the special form.
You can buy Michell Easidew PRO I.S. in UAE at a price starting from По запросу $ in «Texair FZCO» by leaving a request on the website, by phone +441225535040 or by email rop@texairmeasure.ae. Michell Easidew PRO I.S. price are subject to change depending on exchange rates. We deliver instruments by transport companies in United Arab Emirates, Kuwait, Qatar, Saudi Arabia, Saudi Arabia, Bahrain and other Middle Eastern countries.
See also: Hydrocarbon liquid moisture analyzers
