Calibration gas

A calibration gas is a reference gas or gas mixture used as comparative standard in the calibration of analytical instruments, like gas analysers or gas detectors.wikipedia
4 Related Articles

Gas detector

gas sensorgas detectiongas sensors
A calibration gas is a reference gas or gas mixture used as comparative standard in the calibration of analytical instruments, like gas analysers or gas detectors.
Almost every portable gas detector requires a specific calibration gas which is available from the manufacturer.

Gas blending

gas mixturesblendedBreathing gas analysis
A calibration gas is a reference gas or gas mixture used as comparative standard in the calibration of analytical instruments, like gas analysers or gas detectors.

Traceability

traceablefood traceabilityMeasurement traceability
To be a calibration gas, the gas must be traceable to a national or international standard.

Explosimeter

Note, that the detection readings of an explosimeter are only accurate if the gas being sampled has the same characteristics and response as the calibration gas.