Gas Detector Calibration Record Template

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• How to Use sheet with steps
• Template sheet, blank and ready
• Example sheet, filled in
• 246 built in formulas
• A4 landscape print setup
• Works in Excel, Google Sheets and LibreOffice

Preview of the Filled Example

This is the Example sheet from the download, so you can see exactly how the completed gas detector calibration record looks.

Detectors

About the Gas Detector Calibration Record

Gas detectors drift and their sensors age or get poisoned. Recording as found bump test results shows whether detectors were working in service, and as left results prove the calibration. The record also tracks test gas cylinders for traceability.

How to fill in this template

1. Set the acceptance tolerance and calibration interval from your gas detection procedure.
2. For each detector enter the test gas concentration and cylinder number.
3. Record the as found reading (bump test) before adjustment, then the as left reading after calibration.
4. Results and next due dates are calculated.
5. Investigate bump test failures: the detector might not have alarmed correctly in service.

What the formulas do

• Error % = (reading − test gas) ÷ test gas × 100.
• PASS if |error| ≤ tolerance.
• Next due = date + interval.

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