- Brand: Michell Instruments
Tags: ES20, Compact, Sampling, System, Dew-Point, Transmitters, Michell, Instruments
The ES20 Compact Sampling System is designed to reliably and accurately
measure dew point or moisture content in a wide variety of industrial gas applications up to 20 barg (290 psig).
This sampling system is an economical and high quality solution with a short lead time.
Product Features
- Process connection via 6mm or 1/4” tube fittings
- Dew point, moisture content, flow, contamination and pressure control
- Sample inlet pressure up to 20 barg / 290 psig
- Modular design
- Stainless steel tubing and fittings
- Flexible filtration options
- High quality components
- Designed for challenging process environments
- Compatible with various transmitters or hygrometers
- Optional displays
Technical Specifications
| Electrical Specifications | |
| Supply voltage (vacuum pump only) | 230 V AC** |
| Operating Specifications | |
| Operating temperature | ES20 fitted with: Particulate or coalescing filter without monitor: -15 to +60°C (+5 to +140°F) Particulate or coalescing filter with monitor: 0 to +50°C (+32 to +122°F) Vacuum pump with or without monitor: 0 to +40°C (+32 to +104°F)** |
| Operating inlet pressure | ES20 fitted with: Particulate filter: 0 to 20 barg (0 to 290 psig) Coalescing filter: 0 to 20 barg (0 to 290 psig) Vacuum pump: -0.3 bar to 1 barg (–4.4 to 14.5 psig)** |
| Flow rate | 1 to 5 Nl/min (2.1 to 10.6 scfh) |
| Mechanical Specifications | |
| Process connection and material | Inlet/outlet process connections via 6mm or 1/4” tube fittings, 316 stainless steel |
| Gas wetted parts | Stainless steel tube, filter housing and fittings (316 stainless steel), Filter element (borosilicate glass microfibres), Transmitter sample block (316 stainless steel), Flowmeter (borosilicate glass) with Viton® seals, Pump (Teflon®) |
| Ingress protection | No enclosure: No protection (base plate only) GRP & SS enclosures: IP66, NEMA 4X |
| Housing material | Base plate: 316 stainless steel GRP enclosure: Glass fibre reinforced polyester and 4mm (0.2”) safety glass SS enclosure: 316 stainless steel and 4mm (0.2”) safety glass |
| Dimensions | Base plate: 457mm x 350mm x 2mm (18” x 13.8” x 0.08”) (h x w x d) GRP enclosure: 530mm x 430mm x 200mm (20.9” x 16.9” x 7.9”) (h x w x d) SS enclosure: 500mm x 400mm x 200mm (19.7” x 15.7” x 7.9”) (h x w x d) |
| Pressure and flow control | Atmospheric or process pressure: Via metering valves, pressure gauge and flowmeter Vacuum pressure: Metering valve, pressure gauge, flowmeter with valve and self-regulating vacuum pump |
| Gas filtration | Particulate filter - Borosilicate glass microfibres (99.5+% removal of 0.1 micron particles) Coalescing filter - Borosilicate glass microfibres (99.5+% removal of 0.1 micron particles and aerosols) |
| Electrical connections | Base plate: Via terminal rail GPR and SS enclosure: Via M20 plastic cable glands |
| Interchangeability | Fully interchangeable components |
| Sample block process connection | Compatible with various dew-point transmitters with 5/8” and 3/4” UNF process connection |
| Dew-Point Measurement Specifications (Optional)* | |
| Measurement range (dp) | -100 to +20°C (-148 to +68°F) dew point, -110 to +20°C (-166 to +68°F) dew point |
| Accuracy (dp) | Up to ±1°C (±1.8°F) dew point Up to ±2°C (±3.6°F) dew point |
| *For all other specifications refer to the Easidew Transmitter and Easidew Online datasheets | |
| **Not available for the ES20 Easidew PRO XP version | |
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