Matts Monitors Ltd supplies a full range of continuous real-time gas analysers for measuring organic and inorganic compounds in ambient air for the following pollutants:


  • Nitrogen Oxides (NOX)
  • Nitrogen Oxide (NO)
  • Nitrogen dioxide (NO2)
  • Ozone (03)
  • Sulphur dioxide (S02)
  • Carbon Monoxide (C0)
  • Ammonia (NH3)
  • Hydrogen Sulphide (H2S)
  • Total reduces sulphides (TRS)
  • Total Sulphides (TS)


The range of equipment can be used in the following applications:


  • Indoor Air Monitoring
  • Roadside ambient air monitoring
  • Fence line monitoring
  • Process industry
  • Field studies
  • Laboratory


Most of our analysers have U.S EPA, TUV (European standard) and MCERTS accreditations.


The state of the art continuous analysers have the following benefits:


  • Low energy use (200 watts)
  • Bluetooth as standard for data download and viewing parameters on site
  • Low maintenance costs
  • Customer friendly design and ease of use
  • Blue high definition display
  • Good reliability
  • USB, Serial, Bluetooth and remote connection capabilities
  • Pressurised span/zero valves option
  • IZS permeation oven and valves option
  • EN and MCERTS approved
  • 19” Rack mount capability
  • Lockable Front Panel
  • E-mail and text alerts
  • Web based data collection capability
  • Range of purchase options available – Finance, rental
  • Modern and industry proven design
  • High Accuracy
  • 2 years warranty

Thermo 17i NH3

Thermo 42i NOx

Thermo 42iQ NOx

Thermo 43i SO2

Thermo 43iQ SO2

Thermo 46i N20

Thermo 48i CO

Thermo 49i O3

Thermo 49iQ O3

Thermo 51i THC

Thermo 410i CO2

Thermo 410iQ CO2

Thermo 450i H2S SO2

Thermo 450iq H2S SO2

Thermo48iQ CO

Unit B1, Phoenix Industrial Estate, London Road, Thrupp, Stroud, Gloucestershire, GL5 2BX