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XTP601 data sheet - .PDF file.

Michell Instruments’ XTP601 thermo-paramagnetic oxygen (O2) analyser is being used by a Scandinavian producer of biogas to monitor O2 levels for safety and quality at two sites in Sweden. The analyser is used to continuously provide readings of the levels of O2 in the process.

In general, the lower level of oxygen in these applications should be no more than 0.5 per cent, with a danger level of four per cent.

One plant produces biogas from sewage, while the other uses food and garden waste. The biogas from both plants is used as a transport fuel. Despite the different feedstocks, the process of upgrading the gas for use is the same.

The biogas must be upgraded to 95 per cent methane, which will give it enough calorific value to produce the energy required for transport fuel. It will also make it highly flammable, which is why it is important to keep levels of oxygen low during the process.

There are three options for configuration: a transmitter; a transmitter with status LEDs; or a full display version. All of these options may be rated for either safe or hazardous area use, with hazardous area classifications available for Atex, IECEx and cCSAus.

The full display version of the XTP601 has a touchscreen interface to enable easy operation without needing to remove the lid. This means that users can calibrate, change settings and interrogate the instrument in the hazardous area without the need for a ‘hot permit’ or permission to carry out work.

Menus allow easy access to information on oxygen concentration; analyser status; a graph showing trends over a user-defined time period; alarm history; minimum and maximum concentrations; and other parameters to aid diagnosis of plant conditions.

Click on the link above to download the data sheet for the XTP601.

Key benefits of product application

  • To ensure safety, the XTP601 has alarms to shut down the plant if oxygen levels approach the danger level.
  • It provides stable, accurate readings and is capable of measuring oxygen from 0–1 per cent up to 0–50 per cent as well as suppressed zero ranges, such as 90–100 per cent.

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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