Easidew TX I.S.

 FM/CSA, ATEX & IECE Certified Dew-Point Transmitter
Easidew comms kit The Easidew I.S. (intrinsically safe) transmitter is a dew-point transmitter designed and certified for use in hazardous area applications (flammable or explosive gases) in all regions with certification from: IECEx, CSA, FM and ATEX.

The Easidew I.S. is available with a a 5/8" UNF process connection or alternatively with a G1/2" BSP or 3/4" UNF process connection. It is designed for ease of use, incorporating all of the features needed to make installation and operation into your air or gas management system as simple as possible.

Michell's Advanced Ceramic Moisture Sensor technology based transmitter is calibrated to international standards and is delivered with a traceable calibration certificate.

Product Features

  • IECEx, CSA, FM, ATEX certified transmitter for use in hazardous areas
  • 5/8" UNF, G1/2" BSP or 3/4" UNF process connection
  • Dew-point or ppmV moisture content
  • 2-wire loop powered connection
  • Rugged 316 stainless steel IP66 construction
  • Measurement range -100 to +20°C
  • Accuracy ±2°Cdp
  • Calibration Certificate (NPL, NIST)
Easidew TX I.S.

Technical Specifications

Performance
Measurement Range -100 to +20°C dew point
-110 to +20°C dew point
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
Output Dew point, moisture content in ppmV
Analog Output Scaled Range Dew point: -100 to +20°C
Moisture content in gas: 0 - 3000 ppmV
Non-standard available upon request
Supply Voltage 12 to 28 V DC
Load Resistance Max 250 Ω @ 12 V (500 Ω @ 24 V)
Current Consumption 20 mA max
CE Marked Certified
Operating Specifications
Operating Temperature -40 to +60°C
Compensated Temperature Range: -20 to +50°C
NOTE: The transmitter accuracy statement is only valid for the temperature range: -20/+50°C
Storage Temperature: -40 to +60°C
Operating Pressure 45 MPa (450 barg) maximum
Overpressure Rating x2 operating pressure 90 MPa (900 barg)
Flow Rate 1 to 5 Nl/min mounted in standard sampling block
0 to 10 m/sec direct insertion
Mechanical Specifications
Ingress Protection Sensor IP66 in accordance with standard BS EN 60529:1992
NEMA 4 in protection accordance with standard NEMA 250-2003
Hazardous Area Certificates ATEX: II 1 G Ex ia IIC T4 Ga (–20°C to +70°C)
IECEx: Ex ia IIC T4 Ga (–20°C to +70°C)
TC TR: 0Ex ia IIC T4 Ga (–20°C to +70°C)
FM: Class I, Division 1, Groups A B C D, T4
cCSAus: Class I, Division 1, Groups A B C D, T4
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
Process Connection and Material 5/8"- 18 UNF
Alternatives: G1/2" BSP or 3/4"- 16 UNF 316 stainless steel
Weight 150g
Interchangeability Fully interchangeable transmitter
Electrical Connections Hirschmann GDS series (DIN 4350-C)
Diagnostic Conditions
(Factory Programmed)
Condition
Sensor fault
Under-range dew point
Over-range dew point
Output
23 mA
4 mA
20 mA
Approved Galvanic Isolators
KFD2-CR-EX1.20200
KFD2-CR-EX1.30200
KFD0-CS-EX1.50P
KFD0-CS-EX2.50P
KFD2-STC4-EX1.H
MTL5041
MTL5040

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