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  • 02 9680 8765
  • 03 9562 0373


Personal gas monitor, detector for sale & calibration service – Sydney and Australia-wide

Four Gas Monitor Calibration Service
confined space gas monitor calibration service
gas detector calibration service
toxic gas detector calibration service
single fixed gas sensor calibration service


It is in the interest of safety that gas monitoring is always accurate. Without adequate monitoring, there is huge danger for people to suffer ill health effects, or worse. Zenith Instrument's Gas monitoring division has a vast wealth of experience in the sale, service and calibration of all types of instruments and detection equipment. We are authorised warranty service and sales centre of RKI Instruments and Riken Gas Detectors. We can service and calibrate all types of monitors including BW, MSA, GFG, Honeywell, Biosystems, RKI, and many more. 


Our on-site, pickup and delivery services give added convenience to our customers, providing efficiency and minimising time lost to taking equipment to a service centre.


To find out more please call our Sydney office on (02) 9680 8765 or Melbourne office on (03) 9562 0373. You can also email us on info@zenithinstruments.com.au and we will get back to you shortly

Zenith instruments offer a wide range of services. We sell, calibrate, service and repair the following instruments:

Ammonia detectors Gas transmitters
Car park emissions monitors Hydrocarbon monitors
Carbon dioxide detectors Hydrogen sulfide sensors
Carbon monoxide sensors Methane sensors
Confined space monitors Oxygen detectors
Ethylene sensors Sensor replacements
Fixed gas monitor equipment Single, four and toxic gas detec tors 

Whether you are looking for a gas detector for sale, a personal gas monitor for sale, or require a calibration service, Zenith Instruments can help. Sydney and Melbourne based, we supply and work with a wide range of industries across Australia, priding ourselveson exceptional service and knowledge, ensuring our impeccable reputation is maintained at all times. We guarantee our outstanding workmanship from our highly trained and qualified technicians, enabling your business to minimise downtime and lost productivity.

Talk to our expert team about how full range of services and products. Call us on (02) 9680 8765 or (03) 9562 0373 and find out more about how we can help you and your business.

Zenith Instruments offer a wide assortment of other services, such as other calibration amenities – visit our main page if you have any issues with other instruments, or want to know more about what else we provide.