Michell Instruments Ltd

48 Lancaster Way Business Park
Ely
Cambridgeshire
CB6 3NW

  • Moisture and humidity measurement solutions
  • The dew point, humidity and oxygen specialists
  • An international leader in high-precision sensing
  • Moisture and humidity measurement solutions
  • The dew point, humidity and oxygen specialists
  • An international leader in high-precision sensing
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Michell Instruments Ltd

Specialists in Dew-point, Humidity and Oxygen

Michell Instruments are international leaders in high-precision sensing, specialising in instrumentation for trace humidity, dew-point, relative humidity, and oxygen analysis. The company serves industries as diverse as petrochemical and pharmaceutical, to power generation and food processing. Our product ranges include high precision Chilled Mirror Hygrometers, Process Moisture Analyzers, and Dew-Point Transmitters.

We have two manufacturing locations and an extensive network of factory trained application engineers, subsidiaries, and distributors stretching across 56 countries.

Michell Instruments is part of the Process Sensing Technologies (PST) Group, and our customers now benefit from a wider product range and more extensive distribution network.

Chilled Mirror Hygrometers

In many processes moisture is required to be closely monitored and controlled. Chilled mirror hygrometers use a fundamental measurement technique for repeatable and drift-free measurements. Chilled mirror technology is the standard choice for humidity reference instruments in calibration laboratories worldwide.

Michell’s chilled mirror instruments benefit from over 40 years of expertise designing, manufacturing, and calibrating such products.

S8000 Precision Chilled Mirror Hygrometer Range

Michell Instruments’ upgraded range of chilled mirror hygrometers are made up of three high-precision instruments the S8000 RS, S8000, and S8000 Remote. They cover dew-point ranges from -100°C dp to +120°C dp, using both integral and remote sensors. The remote sensors can survive environmental temperatures up to +120°C, allowing them to often be positioned directly at the point of interest.

All three of the instruments use the same intuitive, touch-screen HMI – which for multi-instrument users makes it simple to switch between models. As well as this, a complete range of communication options (USB, Ethernet, RS232 or RS485) is available across all models.

Optidew Fast Responding Chilled Mirror Hygrometer
The Optidew chilled mirror hygrometer is fast responding and equally at home in both industrial humidity control and precision laboratory applications. Both the bench top (401) and wall mount (501) models feature an intuitive touch screen interface for easy local operation, they also offer wide measurement ranges from -40°C to +120°C dew point.

Using the latest developments in chilled mirror technology the Optidew has a response speed comparable to polymer relative humidity sensors, this is also combined with the reliability of drift-free measurements.
Process Moisture Analyzers
Controlling oxygen, moisture, and hydrocarbon dew point is critical for operational safety and efficiency of plant equipment in upstream through to downstream processes. Michell instruments offers the world’s most comprehensive range of moisture and hydrocarbon dew-point analyzers and systems.
Oxygen & Binary Gas Analyzers
For process safety and product quality the XTP601 Process Oxygen Analyzer offers an excellent price-performance ratio. Available as an EXd product with multiple hazardous certifications, this thermo-paramagnetic analyzer is compact, rugged and reliable.

For hydrogen measurements, the XTC601 Binary Gas analyzer shares the same case and HMI as the XTP601 for ease of installation and operation.
Hydrocarbon and water dew point in natural gas: Condumax II and OptiPEAK TDL600
When considering applications in natural gas transmission pipeline quality, separate hydrocarbon dew point and water dew point measurements are sometimes required. In these cases, the combined Condumax II and Optipeak TDL600 analyzer system can provide the assurance of an automatic hydrocarbon dew point analyzer together with the latest development of spectroscopic moisture measurement in the same analyzer system.
Moisture in gases analyzers:
Michell Instruments offers a range of instruments proving moisture measurements in gases for areas that require hazardous and intrinsically safe analyzers.

QMA601 - Using quartz crystal microbalance technology, the QMA601 provides fast, high-precision moisture measurements (from 0.1 to 2000ppmv) in hazardous areas where keeping moisture levels as low as possible is of critical importance.

OptiPEAK TDL600 - Michell’s Tuneable Diode Laser analyzer employs the latest techniques in laser absorption spectroscopy to provide moisture measurements in natural gases. The TDL600 is sour gas compatible and offers an operating range down to 1 ppmv.

Promet EExd & I.S. - heavy duty, industrial hygrometer systems for measurement of high pressure, process gases and vaporized liquids on natural gas platforms and terminals, petrochemical plants and industrial gas manufacturing facilities.

QMA401 - A safe area only quartz crystal analyzer from Michell Instruments which can provide reliable, fast and accurate measurements of trace moisture content. This analyzer is perfect for consistent measurements of trace moisture, due to its self-calibration system.
Moisture in Liquids analyzers:
Liquidew I.S. - Provides fast and reliable on-line measurements for moisture dissolved in process liquids, including flammable liquids and petrochemicals – all which can be measured continuously. The EExd has a complete trace moisture measurement system which has an easy installation for new projects and retrofits to existing plants.
Dew-Point Transmitters
Michell offers a broad range of sensors with associated display and sampling systems for dew-point measurement applications. From trace moisture measurements, to compressed air quality ranges class 1 to 6-- meeting the needs of a broad range of industrial and process industries.
Industrial Transmitters:
Michell offers a family of reliable industrial dew-point transmitters providing accurate, stable measurement to cover any global dryer application.

Easidew Dew-Point Transmitter for Compressed Air - Using ceramic moisture sensor technology, the Easidew transmitter series measures dew-point and moisture content. The series features an I.S. certified transmitter for hazardous areas.

SF52 Dew-Point Transmitter - A simple, cost effective sensor designed for use in harsh industrial dryer applications where reliability and toughness are required at an economical cost. The SF52 is available with a choice of G1/2” and 1/2” NPT process connections and voltage or mA outputs.
Process Transmitters:
Michell offers a family of durable process transmitters to meet any type of global process plant moisture measurement.

Easidew PRO I.S. Dew Point Transmitter for Moisture Analysis - The Easidew PRO I.S. is an intrinsically safe transmitter designed for moisture in gas and liquid applications. Supporting ppmv, ppmw and dew-point output with ±1°C dew-point accuracy.

SF82 Dew-Point Transmitter for Compressed Air - a fast response moisture meter to measure dew point and moisture content. It is available with a range of process connections and electrical connectors. All SF82 dew-point transmitters are available with a service exchange program which reduces the cost of maintenance.

Easidew PRO XP Dew Point Transmitter for Moisture Analysis - An explosion proof dew-point sensor with ±1°C dew-point accuracy that is designed to reliably and accurately measure dew point or moisture content in a wide variety of gas or liquid hazardous analyzer applications.

Find out more about these products and more at www.michell.com

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Oxygen and H2S Electrochemical Analyzers

Analytical Industries

As a member of the Process Sensing Technology (PST) Group we are now able to complement our own range of oxygen instrumentation with products manufactured by our sister company, Analytical Industries Inc (AII). These include electrochemical oxygen sensors and analyzers, H2S analyzers and associated sample conditioning systems.

GPR-1200 ATEX - A fast responding oxygen analyzer, the GPR-1200 provides an industrial oxygen analyzer in a compact and portable case, it features a 4-way valve that allows protection of the sensor and faster oxygen measurement times when moving from point to point.

GPR-1800 AIS - The GPR-1800 AIS is an intrinsically safe trace oxygen analyzer designed for use in demanding process environments which requires low oxygen detection limits. The Liquid-Drain (LD) system allows samples to be made even when the sample has entrained liquids with minimal sample handling.

GPR-1500 - An intrinsically safe trace oxygen analyzer which is designed for use in the demanding environments of natural gas extraction, processing and transmission.

GPR-7500 AIS - Using the same basic format as the GPR-1800 with many similar options, the GPR-7500 series measures trace H2S in natural gas.

You can find out more about AII’s range of products at
https://www.processsensing.com

Associations, Memberships

Conformities

ISO 9001 Quality management systems

Opening Hours

Monday -   09:00 to 17:00
Tuesday -   09:00 to 17:00
Wednesday -   09:00 to 17:00
Thursday -   09:00 to 17:00
Friday -   09:00 to 17:00
Saturday -   Closed
Sunday -   Closed

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    From: 10 May 2022 10:00 am
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