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Safety Precautions (1) Maintenance Safety Notes 1 Maintenance There must be two or more jobs.
2 The workman's approval must be obtained in advance for operations that may cause fluctuations in process parameters.
3 When the pressure gauge discharges, appropriate safety measures should be taken.
(2) Inspection safety precautions 1 Maintenance inspections must be performed for maintenance of operating instruments.
2 When removing the pressure gauge, first cut off the pressure-reducing valve, open the drain valve or slightly loosen the pressure gauge connector, and then remove it after the pressure gauge pointer returns to zero.
3 Pressure gauges for measuring corrosive media should be flushed or neutralized before testing.
4 Oxygen pressure gauges must be degreasing after maintenance.
5 Non-standard and unqualified spare parts shall not be used.
The pressure transmitter is mainly composed of three parts: a load cell sensor (also called a pressure sensor), a measurement circuit, and a process connector.