Knowledge Center
Guides for the person who has to specify, buy and then defend a breath alcohol screening setup. Written around the figures we publish, not around marketing claims.


Fuel Cell vs Semiconductor Breath Alcohol Sensors
The sensor determines whether a breath alcohol reading can be defended in a dispute. A fuel cell sensor oxidises ethanol at an electrode and produces
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How to Choose a Breath Alcohol Tester for Your Site
Only a fuel cell sensor responds specifically to ethanol. Semiconductor sensors react to solvents, smoke and acetone, which causes false positives. A
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Setting the Alarm Point on a Breath Alcohol Tester
The alarm point is not a user setting. It is configured at the service centre before shipment. This ensures the threshold is consistent with the site'
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How a Vehicle Alcohol Interlock Works
The driver approaches the vehicle, picks up the handset, and blows into it. The system checks the handset's readiness. If the unit is within its 12 mo
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Calibration and Maintenance of Breath Alcohol Testers
A recalibration interval based on test count ensures the device is maintained at a rate that matches actual usage. At a busy depot, 500 tests may be r
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Writing a Workplace Alcohol Testing Procedure
The threshold determines whether a result triggers a response. ALCOKSON handhelds allow selection of 0.02%, 0.05%, or 0.08% BAC at the service centre.
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