Gas Detection Specialists
Portable and fixed gas detection, control panels, calibration and installation. Centmark supplies it, installs it and keeps it calibrated.
Official South African representative for Kimessa and Inosent.
Official South African representative for Kimessa and Inosent.Find a product
Browse portable and fixed detectors, controllers and accessories with specifications and datasheets.
Know the model or type you need? Browse portable and fixed detectors, controllers and accessories with specifications and datasheets.
Browse products →Solve a problem
Start from your environment: car park, kitchen, plant room, confined space or home.
Know the hazard, not the hardware? Start from your environment: car park, kitchen, plant room, confined space or home.
Explore applications →Book a service
Calibration, repairs, installation or system design, with every certificate on record.
Calibration, repairs, installation or system design. Keep every detector compliant and every certificate on record.
Book calibration →Areas of focus
Personal single-gas and multi-gas monitors for working safely
ATEX (intrinsically safe) and safe-area gas detectors for all industrial applications
Gas detectors for all commercial applications including commercial kitchens and laboratories
LPG, natural gas, CO and CO₂ alarms for the home
CO and NO₂ monitoring with ventilation and alarm control for basement and enclosed car parks
Monitoring for healthy, compliant indoor environments
Continuous temperature and humidity monitoring for car parks, offices, laboratories and other controlled environments
Purpose-built panels, designed, wired and documented for a wide variety of applications
Portable and fixed calibration with certificates, every 6 or 12 months
Featured products
Calibration & service
A detector only protects you if it’s calibrated
Gas sensors drift over time. Centmark calibrates portable and fixed detectors on a 6 or 12 month cycle, issues certificates and keeps the records, with sensor replacement and repairs handled in the same visit. Workshop or on-site.
Calibration record
- ■ 6 or 12 month cycle
- ■ Comprehensive calibration certificates issued
- ■ Records kept on file
- ■ Sensors replaced same visit
- ■ Workshop or on-site
Why Centmark Systems
One specialist, full lifecycle
Design, supply, installation, calibration and repair from one team
Design, supply, installation, commissioning, calibration and repair from one team
Official distributor
Appointed representative for Kimessa and Inosent in Southern Africa
Fresh sensors, managed stock
Stock managed for maximum sensor life on delivery
Gas sensors have a finite life, so stock is managed for maximum sensor life on delivery
Southern Africa support
Trained technical partners across the region