current position:home page>Products>Analysis Instrument>PST>

Explosion Proof Moisture Transmitter - Easidew PRO XP

Updated:2023-09-20

Brand: Ophir
Model: Easidew PRO XP
Product description: 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
Data download

Feedback
WeChat

QQ

Online Service

product details

Explosion Proof Moisture Transmitter - Easidew PRO XP Description：

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 ppm_W 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)

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 ppm_V
Non-standard:mg/m³, lbs/MMSCF natural gas

Moisture content in liquid: 0...1000 ppm_W 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 ppm_W 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

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)

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

Mechanical Specifications

Ingress Protection

IP66 in accordance with standard BS EN 60529:1992;
NEMA 4 protection in accordance with standard NEMA 250-2003

Explosion and Flameproof Area Certificates*

	Standard: aluminium	Optional: 316 stainless Steel
ATEX/UKCA:	II 2 GD Ex db ia IIC T6 Gb EX tb IIIC T80°C Db IP66 Tamb -20 °C...+70 °C	II 2 GD Ex db ia IIC T6 Gb EX tb IIIC T80 °C Db IP66 Tamb -20 °C...+70 °C
IECEx:	Ex db ia IIC T6 Gb Ex tb IIIC T80 °C Db IP66 Tamb -20 °C...+70 °C	Ex db ia IIC T6 Gb Ex tb IIIC T80 °C Db IP66 Tamb -20 °C...+70 °C
cQPSus:	Class I, Division 1, Groups ABCD T6 Class II & III, Division 1, Groups EFG Class I, Zone 1 AEx/Ex db ia IIC T6 Gb Class I Zone 21, AEx/Ex tb IIIC T80 °C Db	Class I, Division 1, Groups ABCD T6 Class II & III, Division 1, Groups EFG Tamb -20 °C...+70 °C

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)

Filter (sensor protection)

Standard: Stainless steel sintered guard (for protection against fine particulate >80μm)
Optional: HDPE guard (for protection against fine particulate >10μm)

Process Connection and Material

3/4” - 16 UNF with recessed Viton^® O-ring
316 stainless steel: Optional O-ring: Kalrez **

Weight

Aluminium: 1.6kg (3lb 8oz)
316 Stainless Steel: 2.4kg (5lb 5oz)

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.

Suitable Applications

Moisture measurements in natural gas processing and transmission

Moisture in feedstock for polymer production

Biomethane gas production

Hydrogen coolants

LNG & LPG production

Inert & bulk gases

CNG production

Hydrocarbon refinery processing

Heat treating furnaces

Catalyst protection

PREVIOUS：Transmitter for Moisture Analysis - Michell E NEXT：Trace Moisture Transmitter - Michell Pura