In order to be sure of the quality of your gas detection devices measurements, we offer a range of calibration gas cylinders. The calibration principle of a gas detector is quite simple and easy to understand. Indeed, it consists on periodically injecting a known concentration of calibration gas – usually closed to the alarm thresholds of the device – directly to the gas detection sensors of the instrument. We store a large number of calibration gas cylinders that for the following equipment: toxic gas detectors, combustible gas detectors, freon gas detectors (refrigerant gas), electronic breathalyzers, modified atmosphere analyzers (MAP) and so on. Calibration gas cylinders can also be used to perform bump tests and periodical maintenance of your gas equipment.