Field Notes
Fixed Gas Detectors: A Buyer's Guide for Canada
A fixed gas detection system is a permanently mounted detector wired to a controller that continuously watches one or more locations for combustible, toxic, or oxygen-deficient atmospheres — no one...
Gas Detection Tubes: A Buyer's Guide for Canada
Gas detection tubes are glass or plastic tubes filled with a chemical reagent that changes color when a specific gas passes through it — you...
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Photoionization Detectors (PID): A Buyer's Guide for Canada
A photoionization detector (PID) uses ultraviolet light to detect volatile organic compounds (VOCs) and other easily-ionized gases at concentrations as low as parts-per-billion — far...
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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...
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Bump Test vs Calibration: The Gas Detector Maintenance Guide for Canada
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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Gas Detector Calibration in Canada: Requirements, Schedule & Best Practices
A gas detector that hasn't been calibrated recently is worse than no detector — it gives false confidence. In Canada, calibration requirements for portable gas...
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Gas Detector Rental in Canada: What to Know Before You Rent
Gas detector rental makes sense when your project window is short, your instrument requirements change job to job, or you cannot justify the purchase price...
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Portable Gas Detectors: Buyer's Guide for Canada | ERE
A portable gas detector is the last line of defence between your workers and an atmosphere that can kill in seconds. Choosing the wrong instrument...
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