- Brand: Michell Instruments
Tags: Easidew, PRO, I.S., Intrinsically, Safe, Dew-Point, Transmitter, Michell, Instruments
Product Features
- Measurement ranges -110 up to +20°Cdp
- Global Intrinsically Safe certifications
- Accuracy ±1°Cdp
- 2-wire 4-20 mA output
- Traceable 13-point calibration certificate
- 450 bar pressure rating
- 3/4” UNF industry standard process connection
- EN 10204 3.1 material certification
- Moisture in gases and liquids
- Service exchange version
- Electronics Conformal Coating
- Oxygen Service Cleaned
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| Product | Easidew PRO I.S. for Gases | Easidew PRO LQ I.S. for Liquids |
| Performance Specifications | ||
| Measurement Range | -110 to +20°C dew point; -100 to +20°C dew point | 0 to 1000 ppmW |
| Accuracy | ±1°C dew point (+20 to -60°C) ±2°C dew point (-60 to -110°C) | |
| Response Time | 5 mins to T95 (dry to wet) | |
| Repeatability | 0.5°C 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 to +20°C or –100 to +20°CMoisture content in gas:0-3000 ppmV Non-standard:mg/m3, lbs/MMSCF natural gas | Moisture content in liquid: 0 to 1000 ppmW Non-standard available on request |
| Supply Voltage | 14 to 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 to +50°C; Saturation constants for 10
common liquids can be programmed into the Easidew PRO XP IS via the
application software; Alternatively the user can program saturation constants manually | |
| CE Conformity | Approved | |
| 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 | |
| Flow rate | 1 to 5 Nl/min mounted in standard sampling block 0 to 10 m/sec direct insertion | 0.1 to 0.3L/min through Easidew sample block 0.1 to 1m/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 | |
| Intrinsically safe area certificates | ATEX: II 1 G Ex ia IIC T4 Ga (–20°C to +70°C) IECEx: Exd ia IIC T4 Ga (–20°C to +70°C) TC TR 0Ex ia IIC T4 Ga (–20°C to +70°C) CCSAUS: Class I, Division I Groups A B C D, T4 FM: Class I, Division 1, Groups A B C D, T4 | |
| Russian Pattern Approval | Russia (GOST-R), Kazakhstan (GOST-K) | |
| Canadian Pressure Vessel Certification | C.R.N. — 11 Canadian provinces | |
| 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) | |
| Process Connection and Material | 316 stainless steel 5/8” — 18 UNF with bonded seal, G1/2” and 3/4” UNF adaptors available (material certificate to BS EN 10204 3.1 — see ‘accessories and spare parts’ on product order codes) | |
| Weight | 1.27kg | |
| Electrical Connections | Screw terminal via female M20 x 1.5mm gland | |
| Diagnostic 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-EX2.50P KFD0-CS-EX1.50P KFD2-STC4-EX1.H MTL5040 MTL5541 MTL5041 | |
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