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Calibration gas cylinder with demand-flow regulator connected to a portable gas detector
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Calibration Gas: Types, Mixtures, and How to Choose

Calibration gas is the certified reference a gas detector is measured against — and choosing the wrong mixture, concentration, or cylinder quietly undermines every bump test and calibration you run....

June 19, 2026 · ERE Inc.
Safety technician bump testing a portable gas detector with a calibration gas cylinder
June 19, 2026

Bump Test vs Calibration: The Gas Detector Maintenance Guide for Canada

By ERE Inc.

A bump test and a calibration are not the same thing, and confusing them is how a gas detector ends up trusted when it shouldn't...

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