Item # EasidewTX I.S., EasidewTX I.S. Dew-Point Transmitters on Michell Instruments, Inc. Michell Instruments, Inc. - Item # EasidewTX I.S., EasidewTX I.S. Dew-Point Transmitters
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EasidewTX I.S. Dew-Point Transmitters
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The Easidew TX I.S. Transmitter is designed for ease of use, with all the features you want to make installation and operation as simple as possible. For the first time, intrinsically safe dew point measurement is made as accessible as temperature and pressure measurement with this fully configured, calibrated transmitter. Easidew TX I.S. can be quickly incorporated into your hazardous area air or gas management and control system since it is easy to install and operate. The costs of installation and operation are minimal due to the ruggedness, simplicity and reliability of the transmitter. The required periodic recertification to maintain your traceability is as easy and simple as the operation of the transmitter when using Michell's unique Service Exchange Program.

EasidewTX I.S. Dew-Point Transmitters

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EasidewTX I.S. Dew-Point Transmitters-2

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Performance · Electrical Input/Output · Operating Conditions · Mechanical Specification · Highlights

Performance

Measurement Range (Dew Point)

-100 to +20 ºC
-148 to +68 ºF

Accuracy (Dew Point)

±2 ºC
±3.6 ºF

Response Time

5 mins to T95 (dry to wet)

Repeatability (Dew Point)

0.5 ºC
0.9 ºF

Electrical Input/Output

Output Signal

4-20 mA (2-wire connection, current source) user configurable over range

Output

Dew point, moisture content in ppmv

Output Range

Dew point: -100 to + 20ºC (-148 to +68ºF)
Moisture content in gas: 0-3000 ppmv

Supply Voltage

12-28 VDC

Maximum Load Resistance

250 Ω @ 12 V
500 Ω @ 24 V

Maximum Current Consumption

20 mA

Supply Voltage Influence

±0.005% RH/V

Operating Conditions

Operating Humidity

0-100% RH

Operating Temperature

-40 to +60 ºC
-40 to +140 ºF

Maximum Operating Pressure

45 MPa
450 barg
6500 psi

Flow Rate

1 to 5 Nl/min (2.1 to 10.6 scfh) mounted in standard sampling block; 0 to 10 m/sec (0 to 32.8 ft/sec) direct insertion

Temperature Coefficient

Temperature compensated across operating temperature range

Mechanical Specification

Hazardous Area Certificates

 Question? 		ATEX - Ex II 1G EX ia IIC T4
FM - I.S. I 1 ABCD T4 (ta = +60ºC)
CSA - IS Class 1 Div 1 Groups ABCD T4

Ingress Protection

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

Housing Material

Stainless steel

Length

132 mm
5.19 in

Diameter

27 mm
1.06 in

Filter

HDPE Guard < 10 µm
80 µm sintered guard (optional)

Mounting Thread

5/8" - 18 UNF

Weight

150 g
5.29 oz

Interchangeability

Fully interchangeable transmitters

Fault Conditions (Factory Programmed)

Condition Output
Sensor fault 23 mA
Under-range dew point 4 mA
Over-range dew point 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

Highlights
  • ATEX FM/CSA certified
  • 2-wire loop powered connection
  • Dew point or ppm moisture content
  • IP66 (NEMA 4)
  • Excellent sensor protection
  • Wide measurement range, calibrated -100 to +20ºC / -148 to +68ºF dew point
  • Operating temperature: -40 to +60ºC / -40 to +140ºF
  • Fast response

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