What is the acceptable calibration tolerance for pressure gauges?

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The acceptable calibration tolerance for pressure gauges is typically set at 10 psi. This standard ensures that the gauges provide accurate readings, which is crucial for safety and operational integrity in various systems, particularly in firefighting and emergency response scenarios. Maintaining this level of precision helps to ensure that pressure readings reflect actual conditions, allowing operators to make informed decisions based on reliable data.

A tolerance of 10 psi is also practical, as it balances the need for accuracy with the realities of manufacturing variations and environmental influences that might affect gauge performance. Gauges functioning within this range can still be considered reliable for most applications, minimizing risks associated with pressure miscalculations.

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