2. Familiar with the measuring principle of common instruments for measuring temperature, pressure, liquid level, flow and quality in the factory, and have a certain familiarity with its related control circuits and control methods.
3. Master the calibration or verification methods of common instruments such as temperature measuring instruments, pressure transmitters, liquid level meters and flowmeters, and carry out simple maintenance and daily maintenance.
4. It is best to know some knowledge about automatic control and electricity. Modern factory instruments are inseparable from automatic control system and electrical control system. Knowing this can make an instrument worker work better. For example: DCS system, PLC control, field bus control system, etc.
5. Have certain practical ability and be serious and responsible. Many things in the instrument are trivial, careless, improper or negligent, which may cause great errors in measurement and measurement data.