Fire Door Gap Gauge Checker Tool, Small and Light, Pocket Fit

Product Information

It is highly recommended that an appropriate authority such as a UKAS approved laboratory carries out a full calibration on plain limit gauges at least once a year. In between UKAS calibrations at a frequency based on usage, plain limit gauges should be calibrated in-house. A typical in-house calibration would include a written procedure and an associated calibration record sheet, which would contain as a minimum, the following listed information: Plain limit gap gauges

For snap gauges, the primary specifications may include the following parameters. Note that products are specified differently and not all manufacturers will include the same specifications. The size of a snap gauge is normally indicated by its measurement range: B-Squared gauges are designed by experienced users of digital measuring equipment, resulting in an ergonomic, compact product giving consistent, long term, measuring accuracy and repeatability.Never use a plain limit gauge that has not been calibrated, if in doubt consult an appropriate authority. It also helps you avoid over-tightening a fitting, which can also cause problems.You can also use many gap gauges to help with your measurements.

It is necessary that any person carrying out such calibration work should have received appropriate training and have shown the ability to be confident via a suitable training authority. Training records should be held and maintained.

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Mechanical—Large gaps can be measured with an internal or ID mechanical gage. Mechanical gap gages are usually called internal gages or inner diameter gages. Roller gap gages and gap micrometers are examples of mechanical gap gages. Fixed gap or feeler gauge could be considered mechanical gage without moving parts. Measurement range – represents the mix/max values of the dimensions that the snap gauge can be used, As a rule, the smaller the measuring range, the higher the performance.