Michell Instruments ES70 Specifications
Dew-Point Sampling
Dew-Point Sampling
ES70 Sampling System
Sample extraction, handling and conditioning techniques are of critical importance to assure optimal
performance and reliability of all analysers which accurately quantify specifi c components within a
process gas or liquid composition. With a wide variety of options required for pressure and fl ow
control, fi ltration, isolation and sample temperature control, it can be diffi cult to see what is really
required to get maximum performance from your analysers in any given application.
Highlights
• Indoor panel or outdoor enclosure mounting
options
• Process connection via 6mm or 1/4” tube fi ttings
• High quality components, stainless steel tubing
and fi ttings
• Sample inlet pressure up to 138 barg
• Flexible fi ltration options
• Choice of transmitter, fl ow and pressure control
• Comprehensive documentation options with BS
EN 10204 3.1 certifi cation and NACE MR0175
available
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Applications
• Natural gas production, processing & transmission
• Biomethane gas production
• Fiscal metering of gas
• LNG production processing and receiving terminals
• Hydrocarbon refi nery processing
• Catalyst protection
• Polymer production
• CNG production
• Heat treating furnaces
• Petrochemical process liquids
Dew-Point Sampling
ES70 Sampling System
Our ES70 series sample systems provide a choice of indoor
or outdoor compatibility, sensor mount selection, along
with a wide range of features to facilitate regulation of
pressure and fl ow and the removal of contaminants. This
enables the system to deliver a properly conditioned sample
to the analyser for reliable measurements and troublefree operation. The optional integrated bypass system
increases transport speed of the sample while reducing
wastage. Each high quality sample system is constructed
from 316 stainless steel components, with BS EN 10204 3.1
material certifi cates and compliance to MR 0175/ISO 15156
available on request.
The ES70 series is designed to simplify sample system
confi guration by providing a set of choices for all requirements,
such as panel or enclosure mount, fi ltering, upstream and
downstream pressure and fl ow control etc. This provides
a quick and simple method to choose all the required
components suitable for the application requirements.
System Designs
Michell Instruments has over 40 years of experience
providing dew-point and moisture measurement solutions.
We also design and manufacture a broad range of sampling
systems for a wide spectrum of industries.
Our sampling system designs ensure that dew-point and
moisture measurements can be performed in the most
suitable conditions. The ES70 sampling systems can be
supplied in various confi gurations and are designed to be
used in conjunction with other Michell products, as follows:
• Easidew PRO XP Transmitter
• Easidew PRO I.S. Transmitter (with or without optional
fi eld display)
• Promet I.S. (with or without pressure transmitter)
• Liquidew I.S.
Process connections are available with either 6mm or 1/4”
tube fi ttings.
High Quality Materials
To ensure continuous and reliable dew-point or moisture
measurement, it is important that the transmitter
is exposed to stable conditions of the sample being
monitored.
The ES70 sampling system utilises high quality 316 stainless
steel components which provide the optimum response to
moisture changes in the process.
Mounting Variants
Depending on the application, the sampling system can be
supplied in 5 variations:
• Mounted on an open panel for indoor systems
• Mounted in an Outdoor Enclosure, IP66/NEMA4X rated,
with or without window, 304 grade stainless steel
• Mounted in an Outdoor Enclosure, IP66/NEMA4X rated,
with or without window, 316 stainless steel
Filtration and Fast Loop Flexibility
If the sample contains impurities it is crucial to remove
the contaminants before they reach the sensing device.
A fast-loop bypass fl ow arrangement can also be included
to reduce sample fl ow response time lag and to enable
the fi lter to be drained automatically of any potential
hydrocarbon liquids and hydrates formed. The ES70 system
can be supplied with various fi ltration and fast loop options;
• Particulate Filter: 5 micron stainless steel mesh
• Coalescing Filter with manual drain
• Combined coalescing/oleophobic membrane with
continuous drain fl ow (fast loop) - with single stage
regulation & glass tube (20 barg rated) or armoured fl ow
meter (130 barg rated) with integral fl ow metering valve.
• Combined coalescing/oleophobic membrane with
continuous drain fl ow (fast loop) - with Two Stage
Regulation & Armoured fl ow meter (130 barg rated)
with integral fl ow metering valve.
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