ES20 Compact Sampling System

Stainless Steel Sampling System
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. 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
  • 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
ES20 Sampling System

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
Particulate or coalescing filter with monitor: 0 to +50°C
Vacuum pump with or without monitor: 0 to +40°C**
Operating inlet pressure ES20 fitted with:
Particulate filter: 0 to 20 barg
Coalescing filter: 0 to 20 barg
Vacuum pump: -0.3 bar to 1 barg**
Flow rate 1 to 5 Nl/min
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 safety glass
SS enclosure: 316 stainless steel and 4mm safety glass
Dimensions Base plate: 457mm x 350mm x 2mm (h x w x d)
GRP enclosure: 530mm x 430mm x 200mm (h x w x d)
SS enclosure: 500mm x 400mm x 200mm (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 dew point, -110 to +20°C dew point
Accuracy (dp) Up to ±1°C dew point
Up to ±2°C 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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