Home | Environmental Monitoring | CMTS - Gas Detection Services

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

Coal Mines Technical Services (CMTS) offer a range of services to all industries where the accuracy, integrity, and efficient use 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.

Contact Us – Get in touch

General enquiries

For all administration, support and billing enquiries call us on 02 4229 7133 or email us.

Product sales enquiries

We sell; calibration gas, gas detectors, gas chromatographic systems, self-rescuers, breathing apparatus and a range of other safety-related products.

Service enquiries

For information in regards to gas detection, calibration, repairs and servicing find out more below or email us.

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.