Process monitor is multichannell.

The launch of the Michell Multi-Channel Process Monitor sees the welcome expansion of the process analyzer range. The MCPM provides up to 6 independent measurement channels with any combination of moisture in gas, moisture in liquids or oxygen sensors to give the user maximum flexibility at lower per-channel cost.

Utilizing the Promet/Liquidew I.S. industrial hygrometer systems for measurement of high pressure, flammable process gases and/or vaporized liquids, with optional Minox-I oxygen measurement transmitters.

• Designed for safe-area operation with a single easy-to-use 7” color touch screen, displaying moisture content / dew point or O₂ and analysis pressure or temperature for each channel.
• Integrated Galvanic Isolation type barriers for Exi measurement transmitters
• Three 4...20 mA per channel, with user-definable outputs
• Two alarm relays with user-programmable set points per channel, with additional system alarm
• Full data logging including measurement parameters and error codes
• Modbus RTU over RS485 and Modbus TCP/IP

The Multi-Channel Process Monitor (MCPM) is a flexible multi-channel analyzer designed to provide real-time, multi-parameter displays for our 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.

Optional oxygen electrochemical sensors offer additional capability for percentage and ppmV O₂ measurements. Combined with a choice of PST sensors and proven sample conditioning system design-engineering capabilities, the system provides a multi-channel online instrument for both flammable and non-flammable gases, that is reliable and easy to operate.

@Michell_Inst @ProcessSensing #PAuto

Trace moisture, moisture in liquids and trace oxygen.

The new Michell* Multi-Channel Control Unit (MCU) provides up to four independent measurement channels with any combination of moisture in gas, moisture in liquids or oxygen concentration. Installed indoors in a safe area, the MCU allows operators to monitor these crucial parameters from multiple hazardous area-installed analysers. 

It is designed for use with any combination of the Michell Promet I.S. process moisture analyzer, the Michell Liquidew I.S. moisture in liquids analyzer and Ntron Minox-i oxygen transmitter.

The new Michell MCU features up to four 2.8” color touch-screen LCDs with a clear, easy-to-use interface. This allows for set-up and control of dew point or trace moisture in gases or liquids, as well as oxygen measurement, directly from the control room. The unit displays moisture content in ppm, dew point, % O2, ppmV O2 plus analysis pressure. Alarm status and a choice of ISO or IGT#8 calculations are also displayed for each channel. The digital or analog outputs are user configurable.

Promet I.S. and Liquidew I.S are industrial hygrometer systems for measurement of high pressure, process gases and vaporized liquids in:

• Natural gas production and processing
• Offshore natural gas export pipeline or transmission pipeline monitoring
• Fiscal metering of gas
• Gas storage facilities
• Hydrogen production, storage and transportation including natural gas injection
• LNG production processing and receiving terminals
• Gas generation industries

• Michell Instruments are marketed in Ireland through Instrument Technology. 

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* Michel are part of the Process Sensing Technologies (PST) group.

 @Michell_Inst @ProcessSensing #PAuto 

Dew point transmitters.

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 the efficiency of energy use in dew-point dependent switching (DDS) dryer control systems.

With DDS, the twin columns of a heatless regenerative desiccant dryer switch from drying to regenerating based on the dew point of the air leaving the dryer. This precisely indicates when the desiccant is saturated and needs to switch from the drying to the regenerating cycle, and is more energy-efficient than timer-based switching. As well as desiccant dryers, the SF82 is suitable for a whole range of industrial dryers including refrigeration dryers, membrane dryers and absorption dryers.

Conditions in compressor rooms can reach temperatures up to +50 °C. Michell’s engineers have taken this into account in designing the new sensor and designed the new sensor to operate in these temperatures with no loss of accuracy at its lower measurement range of 60 °C dew point. The new unit has dual analog and digital outputs which are compatible with almost any electronic monitoring and control systems.

Applications for the new sensor include medical and surgical air, breathing air, plastic injection moulding as well as compressed air used for instrumentation.

• Michell Instruments are marketed in Ireland through Instrument Technology.

#PAuto @Michell_Inst

Climatic chamber verification (Video).

Michell Instruments' fast-responding Optidew 401 chilled mirror hygrometer makes an ideal humidity reference for climatic chamber verification. Their latest video demonstrates how to set up and install the Optidew in a climatic chamber to ensure optimal performance and reliability.


Environmental chambers are used in a variety of applications where defined temperature and humidity conditions are required. Although humidity and temperature probes are built into climatic chambers to provide control, these probes are usually selected for their response speed and repeatability rather than accuracy. Chilled mirror hygrometers, such as the Optidew 401, are used to verify the temperature and humidity conditions of the chamber, providing reference values of the climate inside.

The Optidew 401 chilled mirror hygrometer is compact, lightweight and able to measure dew points between -40 to +120°C. Its remote hybrid sensor provides a fast, dynamic response to changes in humidity with an accuracy of ±0.15°C dew point and ±0.1°C.

• Michell Instruments are marketed through Instrument Technology in Ireland.

#PAuto #Environment @Michell_Inst

Humidity & Temperature website.

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

With their shared industry experience and combined product ranges, they offer the most comprehensive range of humidity and dew-point calibration equipment on the market today.

The microsite not only collects information on both companies’ products in one location but will also act as a platform for industry tips, insights and white papers on the topic of humidity calibration.

To ensure that customers don’t miss out on any new content  the will be issuing regular newsletters – sign up here to receive these newsletters from the Michell and Rotronic Humidity Calibration Team.

@ProcessSensing  #PAuto @Michell_Inst @rotronic 

Moisture in ethylene!

Michell Instruments’ QMA601 process moisture analyzer has been selected by a major European manufacturer to monitor trace moisture in ethylene at point of entry from the supply pipeline.

After a year-long trial at the plant, Michell’s QMA601 quartz crystal microbalance moisture analyzer was shown to be measuring within specification throughout with no adjustments needed. The QMA601 with its QCM moisture sensor is a good choice for this application because it offers several advantages:

• Ethylene will not polymerize on the quartz crystal sensor.
• The sensor does not suffer from the interferences as its response is specific to the water molecules in the ethylene.
• Unlike all other moisture analysis techniques, quartz crystal microbalance technology operates on a non-equilibrium basis which provides some of the fastest response speeds possible.

There is approximately 495 km of ethylene pipeline in Germany, Belgium and the Netherlands. This pipeline connects ethylene producers and consumers, providing an infrastructure for the petrochemical industry in these countries. Because of its highly flammable nature, Ethylene needs a special permit if it is to be transported in any other way.

Ethylene is an important chemical used for many petrochemical processes, such as the manufacture of polythene – so important that it is supplied by the producers to some European users via a pipeline. As with many other chemical processes, moisture must be kept to a minimum – in this case less than 10 ppmV. Quartz crystal technology has been proven to be fast, accurate and reliable in applications far dryer than the 0 to 10 ppmV range required for ethylene purity monitoring.

The QMA601 has global hazardous area certifications and is available with a full range of sample conditioning options.

• Michell Instruments products are marketed in Ireland through Instrument Technology.

@Michell_Inst #PAuto #petrochemical #Europe @Instrum_Tech

Moisture in compressed air dryers.

Michell have issued a new paper on Critical moisture measurements for compressed air dryers.

Compressed air supplies are a necessity for industrial applications around the globe. In Europe alone, it is estimated 10 percent of all industrial electricity consumed is used to produce compressed air. Compressed air can also be used as a safe alternative power source in hazardous locations where there is a risk of fire or explosion, such as mines and oil rigs.


When warm compressed air leaves the compressor, it contains a high level of water vapour, and drying is a necessary part of the process. Any water vapour in the system will condense on cold surfaces and create the risk of corrosion or blockages.

Drying is a crucial part of the compressed air system and there are three options to choose from:
• After coolers (usually combined with another form of dryer)
• Refrigerant dryers
• Desiccant dryers

Dew-point measurements increase the efficiency and economy of drying – read the full article here to find out how dew-point dependent switching (DDS) saves money and ensures the quality of compressed air supplies.

• Michell INstruments are marketed in Ireland through Instrument Technology.

@Michell_Inst #PAuto @Instrum_Tech

Guide to selecting the right moisture sensing technology.

Moisture is a critical contaminant for both natural gas storage and processing as well as petrochemical refining applications. There are many analysers and technologies – but not all options are appropriate in all situations.

Michell offers three technologies for moisture measurements suitable for refineries and natural gas:

• Tuneable Diode Laser Spectroscopy
• Quartz Crystal Microbalance
• Ceramic Impedance Sensor

"This means we can offer unbiased, factual advice on the pros and cons for each technology for a given application." said a spokesman.

Sampling and conditioning are just as critical to the success of an installation as the specific analyser or technology chosen. They have been creating sampling systems and analyser houses for our customers to meet the challenges of some of the most extreme conditions on the planet - from the heat of the sub-Sahara to the extreme cold of Siberia.

This is a guide which gives a short overview of each technology, its strengths for each application, and when to choose it.

Copy may be downloaded here:
Refineries and Natural Gas Processing – Pick the right moisture sensing technology (pdf)
It doesn’t replace expert advice and their r sales engineers are happy to help with questions and advise on  specific applications.

• Michell products are marketed in Ireland through Instrument Technology.

@Michell_Inst #PAuto @Instrum_Tech

Moisture in gas application in US.

Michell Instruments has won a bid to supply three OptiPEAK TDL600 moisture analysers to a gas processing plant in the United States.

Working closely with the plant operator, Michell’s system engineering department designed a customised sampling system to meet the specific requirements of the application. These include extra filtration to avoid dust carryover from the molecular sieve beds as well as additional safety features to protect the analyzers in the event of high process temperatures.

Taking advantage of the latest developments in laser spectroscopy, the OptiPEAK TDL600 has an unrivalled accuracy for any process moisture analyzer of ±1% of the reading or 1ppmV verified by calibration traceable to NPL (GB) and NIST (USA). Its lower detection limit of 1ppmV makes it the most sensitive instrument in its class on the market, as well as being one of the most reliable. Michell has developed a unique laser lock system to ensure the laser remains locked to the correct water absorption signal, maintaining a high integrity measurement at all times. In some earlier TDLAS moisture analyzer designs, drift in laser wavelength over time may cause gradual deterioration in measurement performance.

• Michell Instruments Products are available in Ireland through Instrument Technology.

@Michell_Inst #PAuto #USA

Corrosion-resistant moisture analyser.

Michell Instruments has announced a new variant of its OptiPEAKTDL600 moisture analyser, developed specifically for use in catalytic reforming processes in refineries. The OptiPEAK TDL600 is based on tuneable diode laser spectroscopy technology – a non-contact form of sensor as it uses absorption of frequencies of light to measure moisture content in gases.

The use of non-contact TDLAS measurement technology means that the system does not suffer from potential hydrochloric acid corrosion issues which may affect other direct contact sensors. In addition, the fast response to changes in moisture value make the OptiPEAK TDL600 ideal for use in catalytic reforming processes where controlling 10 to 20ppm_V moisture content is critical to maintaining optimum catalyst condition and efficient creation of high-octane reformates.

Catalytic reforming is found in every refinery, since the straight run naphtha hydrocarbons distilled from the crude unit must have its octane raised to levels necessary to meet gasoline fuel specifications. Semi-regenerative and cyclic designs were originally used, but virtually all the new reformers in at least the past 20 years have been continuous (regeneration) catalytic reformers (CCRs).

The OptiPEAK TDL600 is the latest addition to Michell’s offering for monitoring moisture in catalytic reforming processes. The QMA601 moisture analyser, which uses quartz crystal microbalance technology, has also proven itself in H2 recycle gas with innovative adaption which reduces the impact of HC corrosion.

• Michell products are marketed in Ireland through Instrument Technology

@Michell_Inst #PAuto @Instrum_Tech

Comprehensive expansion.

In the five years since Michell Instruments established its Brazilian office in Rio de Janeiro it has seen exceptional global growth, adding many new products and technologies to the portfolio.

In 2016, they became the first member of the Process Sensing Technologies Group (PST). Together with the other PST companies, Michell is now able to offer a most comprehensive suite of complementary products for industrial process control from a single supplier. Covering industries as diverse as food and pharmaceutical manufacturing to petrochemical refineries and natural gas production, the extended product range includes:

The Rotronic Continuous Monitoring System (RMS) is a modular system of hardware elements and web-based software. It provides maximum flexibility in installation and ensures readily available data. The data loggers record measurements from Rotronic and third-party sensors and transmit them to the secure database. It stores information and makes it available to users, regardless of whether they access the database via a PC, Mac, tablet or smartphone. Analytical Industries Inc is world-renowned for its reliable and easy to use oxygen analyzers and electrochemical sensors. The long sensor lifespan and simple maintenance, coupled with a robust design, make them a cost-effective option for trace oxygen measurement or oxygen purity applications. LDetek offers a range of analyzers and gas chromatographs for high-purity gases based around their New Enhanced Plasma Emission Detector. The product range includes the MuliDetek2, a robust and compact plug-and-play gas analyzer that monitors trace impurities using gas chromatography techniques developed for industrial environments.

• Michell Instruments products are marketed in Ireland through Instrument Technology @Michell_Inst #PAuto @ProcessSensing #Brazil @Instrum_Tech 

Moisture Transmitter for harsh applicatiosn.

Michell Instruments has introduced a new version of its market-leading 2-wire Easidew Dew-Point Transmitter, with a simultaneous analog and digital modbus RTU output and a rugged 5 pin M12 electrical connection. Designed for dew point measurements in harsh industrial applications, the Easidew moisture transmitter is also easy to maintain with live diagnostics and, when purchased with the Michell Calibration Exchange Programme

This addition makes the Easidew dew-point transmitter the most versatile offering for trace humidity measurements on the market today. For the compressed dryer operator, it means that just one stocked product can be used across all class 1 to class 6 industrial dryer applications. All Easidew variants have a dewpoint measurement range of up to -110 to +20°Cdp.

A range of process and electrical connections and the 4-20 mA output means that the product can be installed quickly, economically and safely replace dewpoint sensors of other make. As well as the M12 5-pin electrical connector, a mini DIN 43650 form C is also available. The process connections available are 5/8” UNF, ¾” UNF and G 1/3” BSP which makes it easy to adapt to local industry standards around the world. The PC-based configuration and diagnostic tool makes it easy for maintenance engineers to monitor the performance of installed transmitters on-site.

The Easidew dew-point transmitter is the core part of Michell’s Sensor Exchange Programme which ensures minimum downtime for users. Customers place an order for a guaranteed, reconditioned sensor. When this arrives, they exchange it for the installed moisture sensor that is returned to Michell resulting in zero downtime for the user.

Where full calibration traceability is required, Michell offer a recalibration service.

• Michell products are marketed in Ireland by Instrument Technology.

@Michell_Inst #PAuto 

High precision hygrometers.

Michell Instruments has launched its upgraded S8000 chilled mirror hygrometer range to maintain its position as the world’s most popular and cost-effective family of industrial chilled mirror hygrometers. The first of the new instruments released in April 2018 were the S8000 RS and S8000 Remote. The very popular mid-range S8000 Integrale is due to be released in May.

The chilled mirror hygrometers from Michell cover a dew-point range 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, so can often be positioned directly at the point of interest.

The all-new S8000 series instruments now use the same intuitive, touch-screen HMI, making it easier to use and configure. For multi-instrument users, the common interface makes it simple to switch between models – which is a key feature for many operators. A complete range of communication options are now available on all models, giving the option of USB, Ethernet, RS232 or RS485 to take the hassle out of establishing connectivity with your system. All models feature data logging to SD card as standard for convenient standalone operation.

The cases have also been updated to a fresh, easy to clean surface and distraction-free look.

These high-precision instruments use the fundamental chilled mirror principle to ensure reliable and drift-free measurements of dew-point. The S8000 RS is a real ‘work-horse’, with an accuracy of ±0.1°C dew point, which can measure dew points down to -90°C with no need for additional cooling. Typical applications range from use as a calibration reference, to industrial settings where precise control of humidity is critical, such as semi-conductor manufacture.

The S8000 Remote combines high accuracy with a remote sensor for measuring directly in the process. Typical applications include environmental chamber verification, pharmaceutical manufacture or as a National Measurement Institute traceable precision reference tool for field calibrations.

• Michell instruments are marketed in Ireland through Instrument Technology.

 @Michell_Inst #PAuto 

Combustion control in crematoria!

Michell Instruments has released a new application featuring two case studies of combustion control in crematoria.

Cremator operators not only need to comply with local emissions guidelines, but also have to take into consideration the social and emotional well-being of local residents and mourners. Careful control of combustion plays an important part in reducing emissions as well as keeping costs and use of fuel to a minimum. The application note explores the unique challenges faced by cremator operators to monitor combustion including dealing with high temperatures and corrosive gases.

Two case studies also demonstrate how Michell’s XZR500 combustion analyser provides reliable and accurate measurements of oxygen in this application. The analyser has been designed specifically to withstand high temperatures and corrosive atmospheres, while still sampling directly from the stack.

• Michell Instrumentas are marketed in Ireland by Instrument Technology.

@Michell_Inst #PAuto

Oxygen analysis in boilers.

Michell Instruments has announced the launch of the XZR250 oxygen analyzer for monitoring combustion control in industrial boilers. It was developed to meet customer demand for a cost-effective, easy to operate instrument with a probe designed to cope with the high temperatures in the flue. Effective combustion control has growing importance for operators as it not only helps increase fuel efficiency but also ensures compliance with legislation on allowable emissions.

The XZR250 uses a zirconium-oxide sensor with a life span of up to seven years (depending on the fuel used) to maintenance to a minimum. A key benefit of the sensor is its fast response of less than fifteen seconds to changes in oxygen concentrations of 90% of the range. It is also accurate to less than 0.25% O2  allowing optimum combustion control.

The instrument is easy to install as it requires no specialised tools, it is also very light to handle and has a fast start-up routine. The probe can be inserted directly into boilers up to 700°C and uses the Pitot effect to ensure the sample gas is sufficiently cooled to protect the sensor from damage without the need for complex sample conditioning. As with any process instrument, regular calibration is necessary to ensure the accuracy of the measurements. It can use air as a calibration gas, making calibration highly cost effective and simple to perform.

The robust sensor ensures maintenance is minimal, but when it does need replacing, this can be done with minimal process downtime. The company has extended its popular sensor exchange programme for dew-point transmitters to customers of the XZR250. Under this scheme, operators order a new sensor block from Michell, which arrives ready to fit. Once fitted, the old sensor block can be returned in the same box and the customer receives a credit.

Typical applications for the XZR250 include oil, gas and biomass boilers.

• Michell products are marketed in Ireland through Instrument Technology.

Gas purity in semiconductor applications.

Michell Instruments is now offering to customers in the semi-conductor and gas manufacturing industries a class-leading trace oxygen analyzer for ensuring the quality of ultra-high purity gases.

Analytical Industries’ PI2-UHP Oxygen Analyzer is both cost-effective and reliable. With a low detection limit of less than 100 PPT, it is designed to measure trace-level oxygen contamination in high-purity gases. The Pico-Ion electrochemical sensor is maintenance free and routine calibrations are quick and simple thanks to the built-in auto-calibration and sample handling system. There is no need to add electrolyte.

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To ensure the zero gas is completely free of O2,  an oxygen scrubber is included as part of the integrated sampling system. To protect the sensor, a sample by-pass is provided to isolate the sensor from high oxygen levels during, start-up, sample line switching and during maintenance.

Mitchell Instrument products are marketed in Ireland by Instrument Technology.

@Michell_Inst #PAuto 

Case study on avoiding dust explosions.

A new case study which describes a solution created by Michell Instruments to mitigate the risks caused by dust explosions in a sewage plant is now available to download.

Storing, transporting or mixing large quantities of dust creates a risk of explosion. Because the dust particles are small, they can easily ignite in the presence of oxygen and cause a potentially devastating explosion due to the sudden release of energy.

The case study examines how the specific needs of a European customer led to Michell designing an integrated monitoring system for a water treatment plant. The customer operated a plant where sewage sludge is dried with a combination of mechanical pressing and heated air. Both CO and O₂ have to be monitored in the silos where this process takes place to ensure the atmosphere is non-explosive.

Michell’s solution combined the XTP601 thermo-paramagnetic oxygen analyzer with a carbon monoxide analyzer in a single system for ease of use. Read the full case study here.

• Michell Instruments are marketed in Ireland by Instrument Technology.

@Michell_Inst #PAuto #Waste

Moisture analyser aids European project.

Michell Instruments is partnering with VSL, the national metrology institute of The Netherlands, on a jointly EU and EURAMET funded project to increase the use of energy from renewable sources.

The European Union has set a target for 20% of its energy consumption to come from renewable sources by 2020. One of the research projects set up to achieve this is Metrology for Biogas, a three-year programme which began in June 2014. Its purpose is to devise and validate traceable methods for determining key impurities, moisture, particulates, calorific value, and density in biogas and bio-methane so it can be used as a mainstream alternative to natural gas.

VSL is working on the measurement of moisture and water dew point calibration. As an industrial collaborator, Michell Instruments has provided a moisture analyser – the OptiPEAK TDL600 – for assessment testing. It uses advanced tuneable diode laser absorption spectroscopy, to provide a fast response to changes in moisture concentration whilst being able to withstand the acidic nature of the biogas. Because the sensor uses laser light to measure moisture content, there is no contact between it and the biogas – meaning that there is no long-term degradation of performance or stability of the analyzer from the corrosive elements of the gas.

The tests have been conducted on three compositions representing biogas, with 20% concentration of carbon dioxide in methane, as well as processed biomethane with reduced CO2 concentrations including 100% methane. Moisture contents in the range 10 to 1,000 ppmV were generated within the VSL primary high-pressure humidity generator. Mr Andrea Peruzzi of VSL commented, ‘The Michell TDLAS analzyer proved helpful to further our understanding of the relationship of dew-point temperature to moisture concentration in biogas which exhibits non-ideal behaviour.’

The testing work is now complete, and the results will be published in a paper to be presented at NEN Gas Analysis, Rotterdam (NL) in June 2017.

• Michell Instruments' products are marketed in Ireland through Instrument Technology.

#Metrology #Energy #Netherlands #Pauto

Reliable moisture measurement in UHP conditions.

Ultra-high pressure (UHP) air is a specialised form of compressed air. Rather than being compressed to the standard 7 barg, UHP air is often supplied at 450 barg, which makes drying the air a critical consideration – both for energy-saving and for safety. Given the high pressures, even a small amount of water vapour would condense at ambient temperatures.

Supplying air at high pressure makes it a good source of power. Because of the extra force it provides, it’s often used in marine and military applications such as clearing submarine ballast tanks for ascent to the surface. The high pressure of the air allows the tanks to be cleared quickly, and gives the crew a greater level of control and responsiveness.

Due to the cold temperatures below sea, as well as the cooling effect of reducing the pressure of a gas, it is vitally important to avoid excess moisture in the UHP air. If ice formed it could block or damage the equipment and completely disable the submarine.

One of Michell’s long-standing customers, S.A. Marine Pty. Ltd from Australia specialise in evaluating and testing UHP air systems. Due to the high pressures involved, it’s vitally important that the air is pure and free from contaminants such as compressor oil particulates or water.

S.A. Marine uses a desiccant dryer to remove vapour from the air and use an on-line hygrometer from Michell to measure the water dew point at delivery, as part of their portable test set. The Michell ceramic impedance sensor is able to measure the dew-point temperature at line pressure which gives S.A. Marine complete confidence in their measurements.

They also provide an inspection service for breathing air cylinder-filling apparatus for both naval and commercial customers. In this case, too much moisture would lead to the potential bacteria to grow and pose health problems for the users. Back at their company facilities, S.A. Marine use a Michell chilled mirror hygrometer as a high-precision calibration reference on a test rig.

Greg Fahill, the managing director of S.A. Marine said: ‘Michell offer the only hygrometers we have found to be reliable at UHP conditions.’

• Michell Instruments are marketed in Ireland through Instrument Technology.

 @Michell_Inst #PAuto 

Dew point application in Power Station.

The sensor exchange programme, which Michell offers to its dew-point transmitter customers, helped win a major order for dew-point transmitters from a power station in Africa.

The operators wanted to reduce the costs and maintenance time for their hydrogen-cooled electricity generators. One of their major costs was in the maintenance of their moisture sensors which had to be returned to the manufacturer for recalibration and refurbishment. As this could take up to 3 months, a stock of spare sensors was needed to ensure the process could be kept running continuously. The high cost of the necessary stock of backup moisture transmitters greatly increased their overhead.

They selected Michell’s Easidew PRO I.S. dew point transmitters, as an alternative to their usual supplier. As well as its fast response and wide measurement range, the transmitter is part of their sensor exchange programme. This programme is a cost effective way to keep processes running while ensuring the measurement integrity of the moisture transmitters – and there is no need for the additional expense of carrying extra stock of sensors.

The sensor exchange programme is available for the full range of the Easidew Dew-Point Transmitters, as well as the Pura Trace Moisture Transmitters. Customers who sign up to the programme benefit from what is essentially a life time warranty for their transmitters.

The Easidew PRO I.S. dew-point transmitter has a measurement range from -100 to +20°C dew point, with an accuracy of ±1°C. It is also certified for installation in hazardous areas around the world, including ATEX, IECEx and CSA approvals.

• Michell products are marketed in Ireland by Instrument Technology.

 @Michell_Inst #PAuto #Africa