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Michell Instruments has developed a portable hygrometer for use in hazardous areas. The MDM300 IS is said to particularly suitable for measuring the dew point in hydrogen-cooled electricity generators.

According to the company, the hygrometer is an adaptable unit with a robust casing that can withstand the rigours of day-to-day operation at a power utility plant.

The MDM300 IS is also suitable for other applications on site, such as the measurement of moisture in SF6, natural gas and instrument air.

Key features and benefits

  • The MDM300 IS maximises operational efficiency by taking as many measurements as required from different applications across a whole site with no waiting time in between.
  • It gives fast, accurate responses and measurements are carried out at system pressure to give true representation of the risk of condensation occurring in working conditions.
  • To ensure straightforward quality control and compliance with the requirements of local authorities, the device is supplied with traceable calibration certificates. 
  • Customised sampling and other accessories are available to ensure that spot checks are as quick and easy as possible.
  • If a continuous online monitoring system is installed, the flexible hygrometer can be used across a site as a back-up device or to give peace of mind from accurate measurement spot checks.

Michell Instruments

Michell Instruments is an international leader in high-precision sensing with over 35 years’ experience in the field, specialising in instrumentation for dew point, relative humidity and oxygen analysis. The company serves industries as diverse as petrochemical and pharmaceutical to power generation and food processing. The 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-paramagetic oxygen analysers for combustion optimisation, maintaining gas purity, controlling levels of CO2 in breweries and many other applications.
  • Condumax II Hydrocarbon dew point analysers ensure the quality of natural gas at custody transfer, prevent gas burner failure and the prolong the life of process equipment, helping companies save millions of dollars on repairs and downtime.
  • Trace moisture in hydrocarbon liquids analysers are available in explosion-proof and instrinsically safe versions and allow the continuous measurement of moisture content in a wide range of applications from transformer oil, petrochemical factions and pure hydrocarbons.
  • Process moisture analysers provide continuous on-line measurements of trace moisture in process gases and are available as explosion-proof, instrinsically safe and laboratory versions.

Michell Instruments has three manufacturing locations: Oosterhout, The Netherlands; Lyon, France and Ely, UK. The company has an extensive network of factory-trained application engineers, subsidiaries and distributors stretching across 56 countries.

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