Systech Instruments Ltd

Systech Illinois is a global manufacturer of moisture, gas and oxygen analyzers for industry based in the UK and U.S (Systech Instruments, UK and Illinois Instruments, U.S). With sales and support facilities worldwide and 30 years as one of the leading gas analysis experts, we can offer technical solutions to many applications for a wide range of industries.

Company details

17 Thame Park Business Centre, Wenman Road , Thame , Oxfordshire OX9 3XA United Kingdom

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Business Type:
Industry Type:
Monitoring and Testing
Market Focus:
Globally (various continents)

Systech Illinois specialises in online, portable and laboratory gas analysis equipment. We are a multinational company with offices and gas analysis equipment manufacturing facilities in the UK and the U.S. With 30 years as one of the leading experts in gas and moisture measurement, Systech Illinois’ application and technology knowledge provides efficient gas analysis solutions in many industry sectors worldwide.

The Systech Illinois Gas Analysis Product Range

  • Gas Analysis for the Food and Packaging Industry
    The headspace range offers fast, easy to use, accurate gas analysis of gas flushed food packages and headspace analysis of any kind. Systech Illinois headspace gas analyzers can be used effectively with packages of all sizes and there are portable and waterproof versions available. Systech Illinois' range of oxygen permeation analyzers and water vapor permeation analyzers offer precise, accurate measurements for all packaging film, finished package and PET bottles.
  • Oxygen Analyzers for Process Industry
    Systech Illinois’ range of oxygen analyzers provide measurements from trace ppb levels up to high percentage levels. Available in wall mounted IP66-rated, benchtop and rack mounted versions, our oxygen analysis equipment includes intrinsically safe units for process uses. The EC900 oxygen analyzer uses electrochemical cell, the ZR800 oxygen analyzer uses zirconia oxide ceramic, and the PM700 oxygen analyzer uses paramagnetic technology.
  • Moisture Analysis for Process Industry
    For analysis of moisture the MM500 moisture analyzer uses phosphorous pentoxide and the MM400 moisture analyzer uses aluminium oxide, to measure from as low as 0.01 to 1000 ppm, or in dewpoint °C or °F. Systech Illinois’ moisture analyzers are panel, bench or wall mounted in a weatherproof cabinet, or rack mounted.
  • Thermal Conductivity Analyzers for Process Industry
    Systech Illinois’ 542 thermal conductivity analyzers come pre-programmed to monitor common combinations of measured and background gases.
  • ATEX Approved Analyzers
    For hazardous areas, the EC91 Intrinsically safe analyzer is for use in EEx ia IIC T4 Zone 0 areas and EC92DIS ATEX approved portable analyzer is for use in Ex ia IIC Ga T4 Zone 0. These instruments are capable of measuring both ppm and percentage levels of oxygen.

Call Systech Illinois when you need to:

  • Measure the level of oxygen
  • Analyze moisture content of almost any gas
  • Test food packaging for the permeation of oxygen or water vapor
  • Measure the headspace gas of Modified Atmosphere Packaging
  • Measure oxygen in a hazardous area
  • Obtain expert advice on measuring almost any gas in a binary mixture

Systech Illinois’ goal is to operate in finite business sectors where we will be recognised by our customers as experts on the supply of gas analysis instrumentation. The company believes that it is only by having a well developed and well trained workforce, with established and effective procedures, that we shall be able to offer our customers a continuing high level of service.


Systech Instruments Ltd operate a Quality Management System which complies with the requirements of ISO 9001:2008.  Our quality programme benefits our customers in all areas of business they have with Systech Illinois, including the continued supply and support of our first class gas analyser products and services.

The History of Systech Illinois: Gas Analysis Equipment Specialists

Systech Illinois is the marketing name for sister companies, Systech Instruments Ltd in the UK, and Illinois Instruments Inc. in the U.S. At each of the headquarters there is a gas analyzer manufacturing facility and offices where approximately 21 employees provide customer service, sales and technical support.

Systech Illinois spends more than 8% of it's turnover in research and development of gas analysis instrumentation and moisture measurement analyzers.