According to the "People's Republic of China *** and the State Law on Measurement" and relevant laws and regulations, installed in the boiler, pressure vessels and pressure piping for safety protection and monitoring purposes of the pressure gauge is included in the mandatory verification catalog of measuring instruments, the use of units must be to the local statutory metrological verification organizations to apply for mandatory verification, verification of qualified before use. In order to strengthen the supervision and management of pressure gauges, to protect people's lives and property safety, the relevant matters are announced as follows:
First, where the statutory metrological verification body qualified or overdue in the use of pressure gauges should be discontinued, and immediately to the statutory metrological verification body to apply for periodic verification, qualified by the verification before continuing to use.
Second, the verification cycle of the pressure gauge for six months.
Third, the Quality Supervision and Inspection Institute is responsible for the mandatory calibration of pressure gauges statutory metrological certification bodies.