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Australia’s market-leading experts in underground mining gas calibration and analysis.

Providing specialised technical support to more than 90% of all NSW and QLD coal mines

We offer a range of services to all industries where the accuracy and precision of calibration and service of gas detection devices is critical to safety and production.

Our services are undertaken by CMTS technicians either in our world-class workshop, or onsite using our fully equipped mobile facilities.

CMTS is ISO/IEC 17025 NATA-accredited and ISO/IEC 17020 NATA-accredited for intrinsic safe repair. Additionally, CMTS is ISO 9001:2015 accredited for its quality management system.

Gas calibration

CMTS is NATA-accredited for the testing, repair and calibration of intrinsically safe explosion-protected gas detectors.

Gas analysis services

CMTS developed the SMARTGAS system in 1996 specifically to analyse gas samples from coal mines.. CMTS is NATA-accredited for the analysis of mine gas atmospheres.


This purpose-built system provides gas chromatograph analysis to monitor mine atmospheres and identify potential or actual hazardous conditions onsite.

Diesel engine testing

CMTS is accredited by NATA and licensed by the NSW Government Department of Trade and Investment – Mine Safety to carry out raw diesel exhaust gas and particulate analysis.