About us

Michell Instruments Ltd

We are an international leader in high-precision sensing with over 40 years’ experience in the field, specializing in instrumentation for dew point, relative humidity and oxygen analysis. We serve industries as diverse as petrochemical and pharmaceutical to power generation and food processing. Our product range includes:

High-precision ceramic moisture sensors to measure trace moisture in process applications.

Relative humidity transmitters and sensors for use in HVAC applications, pharmaceutical storage and other production processes where controlled environmental conditions are crucial.

Humidity calibration systems and reference dew-point hygrometers enable customers to carry out the calibration of portable hygrometers and relative humidity instruments in-house, saving on downtime and costs.

Zirconia and Thermo-paramagnetic oxygen analyzers for combustion optimization, maintaining gas purity, controlling levels of CO2 in breweries and many other applications.

Condumax II Hydrocarbon dew point analyzers ensure the quality of natural gas at custody transfer, prevent gas burner failure and prolong the life of process equipment – helping companies save millions of dollars on repairs and down-time.

Trace moisture in hydrocarbon liquids analyzers are available in explosion-proof and intrinsically safe versions and allow the continuous measurement of moisture content in a wide range of applications from catalytic refinery processes to pure hydrocarbons.

Process moisture analyzers provide continuous on-line measurements of trace moisture in process gases and are available as explosion-proof, intrinsically safe and laboratory versions.

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


Products

Optidew 401

Optidew 401

The Optidew is a fast-responding chilled mirror hygrometer, equally at home in both industrial humidity control and precision laboratory applications....

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Optidew 501

Optidew 501

The Optidew is a fast-responding chilled mirror hygrometer, equally at home in both industrial humidity control and precision laboratory applications....

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High Precision Chilled Mirror Hygrometer – Michell S8000 -100

High Precision Chilled Mirror Hygrometer – Michell S8000 -100

The S8000 -100 hygrometer directly measures the formation of condensation on a mirrored surface, offering the widest possible measurement range of -10...

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Analog Relative Humidity and Temperature Probes -20 to + 80C (PC33 and 52)

Analog Relative Humidity and Temperature Probes -20 to + 80C (PC33 and 52)

The PC 33 & 52 series offers a comprehensive range of relative humidity probes for accurate, stable and repeatable measurements. Available with analog...

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Condumax II  Hydrocarbon Dew-Point Analyser

Condumax II Hydrocarbon Dew-Point Analyser

Condumax II Hydrocarbon Dew-Point Analyzer Accurate hydrocarbon dew-point measurement and control is vital to ensure the quality of natural gas. The ...

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Condumax II and OptiPEAK TDL600

Condumax II and OptiPEAK TDL600

Combined Hydrocarbon Dew Point and Moisture Analyzer for Natural Gas Transmission Pipeline Quality Hydrocarbon dew point (HCDP) and moisture are key ...

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Condumax II Transportable

Condumax II Transportable

Transportable natural gas dew-point analyzer system for operation in the field. Suitable for IEC Zone 1 or 2 hazardous area, NEC Class I, Division 1 G...

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DCS Dew-Point Calibration System (DCS60, DCS80 & DCS100)

DCS Dew-Point Calibration System (DCS60, DCS80 & DCS100)

The DCS system is a complete rack-mounted calibration station capable of producing a flow of air (or nitrogen) at a pre-specified range of dew-point t...

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Dew-Point Generators (DG2, DG3, DG4 & VDS3)

Dew-Point Generators (DG2, DG3, DG4 & VDS3)

The Michell range of dew-point generators provides flexibility and control at a competitive price. Based on the volumetric mixing of dry and wet gases...

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Dew-Point Transmitter for Compressed Air Dryers - SF82

Dew-Point Transmitter for Compressed Air Dryers - SF82

Fast Response Moisture Meter with Multiple Process Connections. he SF82 is a fast-responding moisture sensor for control of dew point and moisture co...

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DryCheck Self-Contained Dew-Point Instrument

DryCheck Self-Contained Dew-Point Instrument

DryCheck The DryCheck is a self-contained hygrometer designed for simple installation into processes. The instrument and sampling system are integrat...

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DT722 Duct Mount Rugged Industrial Relative Humidity and Temperature Transmitter

DT722 Duct Mount Rugged Industrial Relative Humidity and Temperature Transmitter

The DT722 is a rugged industrial relative humidity and temperature transmitter designed for process applications where accurate, stable measurement an...

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Easidew I.S. Dew-Point Transmitter

Easidew I.S. Dew-Point Transmitter

The Easidew I.S. is a dew-point transmitter for use in hazardous areas, with certification from ATEX and FM/CSA. It is a highly versatile instrument w...

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Easidew Online Dew-point hygrometer

Easidew Online Dew-point hygrometer

A panel- or bench- mounting hygrometer with digital display, analogue and digital outputs and dual alarm feature, offering excellent reliability and r...

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EASIDEW Portable Hygrometer

EASIDEW Portable Hygrometer

Easidew Portable The Easidew Portable hygrometer provides fast, simple measurements of dew point. Based on Michell’s market-leading Easidew Dew-Point...

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Easidew PRO I.S. Intrinsically Safe Dewpoint Transmitter

Easidew PRO I.S. Intrinsically Safe Dewpoint Transmitter

A Hazardous Area dew-point transmitter for tough industrial environments, the Easidew PRO I.S is capable of measuring moisture in gases (including nat...

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Easidew PRO XP

Easidew PRO XP

The Easidew PRO XP moisture transmitter provides reliable and accurate measurements in gases and non-polar liquids in process applications where a cer...

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Easidew Sampler Self-Contained Sampling System

Easidew Sampler Self-Contained Sampling System

A low-cost, self-contained sampling system, with filtration and flow control, for measurement of either pressure or atmospheric dew points. Prod...

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Easidew Transmitter

Easidew Transmitter

The Easidew Transmitter is a highly versatile two-wire dew-point transmitter with a wide measurement range and fast response. Measuring from -100 to +...

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ES20 moisture sampling system

ES20 moisture 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 appl...

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 Fast-Response Dew-Point Hygrometer - Michell SF82 Online

Fast-Response Dew-Point Hygrometer - Michell SF82 Online

Quick to Install Hygrometer System. The SF82 Online has been developed as a fast-response, quick-to-install hygrometer system for the complete dew-po...

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GPR-1500 Trace Oxygen Analyzer

GPR-1500 Trace Oxygen Analyzer

The GPR-1500 series from AII offers a flexible platform with two types of enclosure, 4 or 5 ranges and General Purpose or ATEX certified units availab...

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GPR-7500 Hydrogen Sulphide Analyzers

GPR-7500 Hydrogen Sulphide Analyzers

The GPR-7500 analyzer utilizes the low-power electro-chemical sensor technology to provide a cost-effective and easy to maintain online-installation h...

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HG10 Humidity Calibrator

HG10 Humidity Calibrator

The Michell HG10 Humidity Calibrator is a highly flexible computer-controlled automatic calibration system for humidity sensors. The HG10 Humidity C...

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HygroCal100

HygroCal100

The HygroCal100 provides a stable test chamber to quickly evaluate the performance of relative humidity sensors across a wide range of 5 to 95% relati...

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HygroSmart HS3 Probe

HygroSmart HS3 Probe

The HygroSmart HS3 an advanced, digital probe with measured or calculated outputs and a rugged 10 bar pressure rated housing, the HygroSmart is design...

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HygroSmart I7000XP - Interchangeable Relative Humidity Sensor

HygroSmart I7000XP - Interchangeable Relative Humidity Sensor

Interchangeable relative humidity sensor module makes recalibration and maintenance as easy as changing a light bulb. With a wide measurement range of...

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 Michell XTC501 Thermal Conductivity Analyser

Michell XTC501 Thermal Conductivity Analyser

Hydrogen, Binary Gas and Gas Mixtures Measurement. A lightweight and compact binary gas analyzer for measuring gas mixtures – such as air in argon or...

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 Percent Oxygen Analyzer in NEMA Enclosure

Percent Oxygen Analyzer in NEMA Enclosure

The GPR-2500 is an industrial oxygen analyzer for percentage oxygen measurements in both general purpose or hazardous areas. Available in several vari...

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 Process Sampling System - Michell ES70

Process Sampling System - Michell ES70

High-Quality Gas Handling for Reliable Moisture Measurement. Moisture analyzers are only as reliable as the sample extraction, handling and condition...

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News

New Multi-Channel Control Unit combines trace moisture, moisture in liquids and trace oxygen

New Multi-Channel Control Unit combines trace moisture, moisture in liquids and trace oxygen

The new Michell Multi-Channel Control Unit (MCU) from Process Sensing Technologies provides up to four independent measurement channels with any combi...

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The latest cost-effective humidity calibration package from Process Sensing Technologies

The latest cost-effective humidity calibration package from Process Sensing Technologies

Rotronic HygroGen2 and Michell S8000 Remote provide cost-effective, traceable humidity calibrations Together, Michell Instruments and Rotronic offer ...

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New versatile dew-point hygrometer combines moisture and pressure readings

New versatile dew-point hygrometer combines moisture and pressure readings

The new Easidew Advanced Online Dew-Point Hygrometer from Michell Instruments measures dew point, moisture content and now also pressure. It features ...

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New process gas chromatograph for complete trace impurities analysis

New process gas chromatograph for complete trace impurities analysis

The newly launched LDetek MultiDetek3 compact gas chromatograph is a modular process GC instrument that combines the functionality of two GCs in one, ...

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What equipment do you need for reliable humidity calibrations?

What equipment do you need for reliable humidity calibrations?

Making the first step to setting up an in-house humidity calibration facility can be daunting at first, but need not be over complicated, especially w...

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How accurate is your dew-point transmitter?

How accurate is your dew-point transmitter?

For many industrial trace moisture measurements, dew-point transmitters are the ideal choice. They are low cost, easy to install and robust enough to ...

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Introducing THE new laboratory humidity reference standard: Michell S8000 -100

Introducing THE new laboratory humidity reference standard: Michell S8000 -100

The new Michell S8000 –100 is a high-precision, low dew-point hygrometer designed to meet the demands of humidity calibration and standards laboratori...

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Six Reasons to Consider Ceramic Metal Oxide Moisture Sensors for Your Process

Six Reasons to Consider Ceramic Metal Oxide Moisture Sensors for Your Process

When it comes to trace moisture measurements in natural gas or petrochemical processes, there are lots of options. There have been many new developmen...

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How to install a dew-point transmitter for best accuracy

How to install a dew-point transmitter for best accuracy

Unlike moisture content, which is a simple of measure of parts per million the water dew-point temperature of a gas is a relationship between the mois...

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Using a chilled mirror hygrometer for accurate measurements of RH in industrial applications

Using a chilled mirror hygrometer for accurate measurements of RH in industrial applications

Polymer capacitance moisture sensors are the most common technology used to measure relative humidity. They are both fast-responding and highly cost-e...

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Ensuring the safety and purity of hydrogen in storage and transport

Ensuring the safety and purity of hydrogen in storage and transport

Our latest blog post looks at the measurements needed for each stage and method of transporting and storing hydrogen. Over 70 million tonnes of hydr...

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Affordable package for traceable humidity calibrations

Affordable package for traceable humidity calibrations

The ability to perform traceable humidity calibrations of probes in-house is now within the reach of more users – thanks to a package offered by Miche...

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LD8000 MultiGas Trace Impurities Analyzer for measurements in Lithium Ion Battery Manufacture

LD8000 MultiGas Trace Impurities Analyzer for measurements in Lithium Ion Battery Manufacture

A leading manufacturer of lithium ion batteries has selected LDetek’s LD8000 MultiGas Analyzer to monitor the purity of argon used as a protective atm...

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Trace moisture transmitter for UHP gases with smart digital connectivity

Trace moisture transmitter for UHP gases with smart digital connectivity

Advanced measurement and control of trace moisture possible with Michell Instruments’ enhanced Pura trace moisture transmitter. The Michell Instrume...

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All-new portable hydrocarbon and water dew-point analyzer for natural gas quality

All-new portable hydrocarbon and water dew-point analyzer for natural gas quality

Michell Instruments has announced the launch of a ground-breaking new development for quality control in natural gas processing and transmission. The...

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Michell’s Calibration Exchange Program is extended to the Easidew PRO XP Dew-Point Transmitter

Michell’s Calibration Exchange Program is extended to the Easidew PRO XP Dew-Point Transmitter

The Easidew PRO XP explosion-proof dew-point transmitter is now part of Michell’s unique calibration exchange program which helps customers keep their...

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New flange options for easy installation of dew-point transmitters in glove boxes

New flange options for easy installation of dew-point transmitters in glove boxes

Michell Instruments is now offering standard KF25 and KF40 process flanges as optional extras with their Easidew Dew Point Transmitters and SF82 Dew-P...

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All-new portable hydrocarbon and water dew-point analyzer for natural gas quality

All-new portable hydrocarbon and water dew-point analyzer for natural gas quality

Michell Instruments has announced the launch of a ground-breaking new development for quality control in natural gas processing and transmission. Th...

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New fast-response online hygrometer system offers greater flexibility for Michell customers

New fast-response online hygrometer system offers greater flexibility for Michell customers

customers with more choice and flexibility for dew-point and trace humidity measurements. It complements the popular Easidew Online Universal Dew-Poin...

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New thermo-paramagnetic oxygen analyzer provides cost-effective quality control for oxygen generation

New thermo-paramagnetic oxygen analyzer provides cost-effective quality control for oxygen generation

The XTP501 oxygen analyzer from Michell Instruments is a cost-effective quality-control analyzer for oxygen generators. The new analyzer is small, li...

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New lightweight binary gas analyzer for quality control of gases in safe areas

New lightweight binary gas analyzer for quality control of gases in safe areas

Michell Instruments has announced the launch of a new binary gas analyzer for quality control of industrial gases in safe areas, the XTC501 binary gas...

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New lightweight oxygen analyzer for cost-effective quality control in safe-area applications

New lightweight oxygen analyzer for cost-effective quality control in safe-area applications

Michell Instruments has launched a new lightweight oxygen analyzer to provide accurate and cost-effective control of oxygen from 500ppm O2 to oxygen p...

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Fast-responding chilled mirror hygrometer selected for emissions control tests in China

Fast-responding chilled mirror hygrometer selected for emissions control tests in China

One of China’s largest automotive manufacturers, SAIC Motor Corporation Ltd, selected Michell’s Optidew 501 wall-mounted chilled mirror dew-point hygr...

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New fast-responding dew-point transmitter controls efficiency of twin-column compressed air dryers

New fast-responding dew-point transmitter controls efficiency of twin-column compressed air dryers

The new SF82 Dew-Point Transmitter for Compressed Air Dryers from Michell Instruments features an ultra-fast response to moisture changes to increase ...

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New Video: Optidew 401 Chilled Mirror Hygrometer for Climatic Chamber Verification

New Video: Optidew 401 Chilled Mirror Hygrometer for Climatic Chamber Verification

The fast-responding Optidew 401 chilled mirror hygrometer makes an ideal humidity reference for climatic chamber verification. Our latest video demons...

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Complete range from the PST group at Sensors and Instrumentation

Complete range from the PST group at Sensors and Instrumentation

Michell Instruments, together with sister companies Rotronic, Ntron Gas Measurement, Dynament and Status Scientific Controls will be presenting the co...

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Complete humidity calibration range from Michell Instruments and Rotronic: new microsite launched

Complete humidity calibration range from Michell Instruments and Rotronic: new microsite launched

Process Sensing Technologies (PST) companies, Michell Instruments and Rotronic, have launched a new microsite focusing on their combined ranges of ins...

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Fast-responding quartz crystal moisture analyzer from Michell selected for European ethylene pipeline

Fast-responding quartz crystal moisture analyzer from Michell selected for European ethylene pipeline

Michell Instruments’ QMA601 process moisture analyzer has been selected by a major European manufacturer to monitor trace moisture in ethylene at poin...

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Dew-Point Dependent Switching for Efficient Compressed Air Drying

Dew-Point Dependent Switching for Efficient Compressed Air Drying

Introduction Drying compressed air is essential to avoid a host of issues caused by moisture condensing inside pipework and tools. In our previous a...

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Complete humidity calibration ranges from Michell and Rotronic at Tempmeko 2019

Complete humidity calibration ranges from Michell and Rotronic at Tempmeko 2019

Process Sensing Technology companies, Michell Instruments and Rotronic will be presenting their range of humidity calibration instruments and chilled ...

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Documents

S8000 -100 97607 UK Datasheet.pdf

S8000 -100 97607 UK Datasheet.pdf

Catalogue

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Oxygen Measurement and Analysis

Oxygen Measurement and Analysis

Catalogue

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Precision Humidity Solutions

Precision Humidity Solutions

Catalogue

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Pura_97172_UK_Datasheet-V5.pdf

Pura_97172_UK_Datasheet-V5.pdf

Catalogue

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Relative Humidity Product Guide

Relative Humidity Product Guide

Catalogue

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QMA601_97490_UK_Datasheet-v3.pdf

QMA601_97490_UK_Datasheet-v3.pdf

Catalogue

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S8000RS_97316_UK_Datasheet-V2.pdf

S8000RS_97316_UK_Datasheet-V2.pdf

Catalogue

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SF52_97181_UK_Datasheet-V6.pdf

SF52_97181_UK_Datasheet-V6.pdf

Catalogue

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S904_97200_UK_Datasheet-V3.pdf

S904_97200_UK_Datasheet-V3.pdf

Catalogue

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Contact Us

Michell Instruments Ltd

  • 48 Lancaster Way Business Park
  • Ely
  • Cambridgeshire
  • CB6 3NW

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