Pressure gauge calibration
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Do the diaphragm pressure gauge of the metering pump used for adding chemicals and the pressure gauge of the outlet damper need to be calibrated or inspected? Are there any regulations regarding the cycle if needed? Are there corresponding standards and specifications?
Calibration is required, in accordance with the calibration regulations specified in JJG52-2013 – \"General Pressure Gauges, Pressure-Vacuum Gauges, and Vacuum Gauges of Elastic Element Type.\" These regulations state that the calibration interval should generally not exceed six months.
Important occasions definitely require regular inspections as per regulations!