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Original factory packaging
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Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Updated:2025-03-13
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Product Manual
Reliable Analysis of Dew-Point or Moisture Content in Gases and Liquids
Features
Measurement ranges -110 up to +20 °Cdp (-166 to 68 °Fdp)
Global explosion / flameproof certification
Accuracy ±1 °Cdp (±1.8 °Fdp)
2-wire 4...20 mA output
Traceable 13-point calibration certificate
450 bar (6527 psi) pressure rating
Low cost of ownership and easy maintenance with sensor exchange program
3/4” UNF industry standard process connection
EN 10204 3.1 material certification
Moisture in gases and liquids
Integral display meter
Oxygen service cleaned
The Easidew PRO XP moisture transmitter is an explosion-proof dew-point transmitter for trace moisture measurements in gases or liquids in hazardous areas. It is certified by ATEX, UKCA, cQPSus, IECEx, and GOST for use in any North American, European or Asian zone.
The transmitter has a wide dew-point measurement range of –110 to +20 °Cdp (-166 to 68 °Fdp) with industry-standard process and electrical connections, ensuring low installation costs. The Easidew PRO XP incorporates the latest Michell Ceramic Metal-Oxide Moisture Sensor providing stable and reliable measurements for all new and replacement moisture applications. The unit can also be supplied with an integral 4-digit LED display, displaying the configured moisture output signal.
Specifications
| Easidew PRO XP for Gases | Easidew PRO XP LQ 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 (32.9 °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) 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 | 14...28 V DC | |||||||||||||
| Load Resistance | Max 250 Ω @ 14 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 8 common liquids can be
programmed into the Easidew PRO XP LQ via the application software; Alternatively the user can program saturation constants manually |
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| 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 | 45 MPa (450 barg/6527 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 |
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| Explosion and Flameproof Area Certificates* |
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| Pattern Approval | Kazakhstan (GOST-K) | |||||||||||||
| Additional Approvals | TRCU 012 (EAC), Japan Ex, PESO (India), NEPSI (China), KCS (Korea) | |||||||||||||
| Canadian Pressure Vessel Certification | C.R.N. - all Canadian provinces | |||||||||||||
| Oxygen service | Optional: cleaned for enriched oxygen | |||||||||||||
| Housing material |
Standard: Aluminium (copper free), epoxy and polyurethane
powder coated, blue RAL 5009 Optional: 316 stainless steel (supplied with BS EN 10204 3.1 material certificate if option F2 requested) |
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| 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 |
3/4” - 16 UNF with recessed Viton® O-ring 316 stainless steel: Optional O-ring: Kalrez ** |
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| Weight |
Aluminium: 1.6kg (3lb 8oz) 316 Stainless Steel: 2.4kg (5lb 5oz) |
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| Electrical Connections | Dual 3/4” NPT gland | |||||||||||||
| Programmable display meter range | Optional: -1999...+9999 | |||||||||||||
| Programmable display decimal point | Optional: 0...3 decimal places | |||||||||||||
| Display meter overload limits | Optional: 3.6 mA & 20.4 mA | |||||||||||||
| Programmable display meter scales | Optional: °C, °F, %, No Scale | |||||||||||||
| Stainless Steel Tags | Optional: 316 stainless steel tags (70 x 25mm / 2.76 x 1in) | |||||||||||||
| Diagnostic conditions (factory programmed) |
Conditions: Sensor fault, Under-range dew point, Over-range dew point |
Output: 23 mA, 4 mA, 20 mA | ||||||||||||
|
* 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. ** Kalrez O-ring is non standard and available at an additional cost detailed on the price list. |
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