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1. The effect of vibration on the accuracy of mass flow meters. Solution: Avoid vibration interference; if it cannot be avoided, isolation measures should be taken to separate the flow meter from the source of vibration interference. 2. The impact of electromagnetic interference on the accuracy of mass flow meters. Solution: When installing a mass flow meter, it should be placed away from devices that generate strong magnetic fields, such as large transformers and electric motors. 3. The effect of installation stress on the accuracy of mass flow meters. Solution: a. The flow meter must be installed in strict accordance with the installation specifications. b. After the flow meter has been installed, use the hand-held controller or the transmitter interface to access the \"zeroing menu\" and record the factory-set zero value. After zeroing, check the zero value again; the two values should be within the same order of magnitude. If there is a large difference between them, it indicates that excessive installation stress was applied, and the meter needs to be reinstalled. 4. The impact of gases present in the oil on the accuracy of mass flow meters. Treatment methods: a. Improve the operating conditions of the oil to ensure that the bubbles contained within it are distributed as evenly as possible, so as to meet the requirements for accurate measurement by the flow meter; b. Install an air eliminator upstream of the mass flow meter to minimize the occurrence of gas-liquid mixing; c. Follow the installation specifications for mass flow meters strictly: the pipe used to measure the flow rate of the oil should be installed with its lower end facing downward. 5. The impact of temperature changes on the accuracy of mass flow meters. Solutions: a. The effect of temperature on the metal elasticity of the flowmeter’s measuring tube can be addressed by setting temperature correction coefficients; b. As for the impact of temperature on zero-point stability, in practical applications it is necessary to perform on-site zeroing of the mass flowmeter under the operating temperature conditions in order to minimize this effect. 6. Effect of pressure changes on the accuracy of mass flow meters. Solution: For oils with large variations in transfer pressure and those involved in trade transfers, a pressure transmitter must be installed downstream of the flow meter to enable real-time pressure compensation via software. 7. The influence of oil density and viscosity on the accuracy of mass flow meters. Solution: Flowmeters should be used for measuring oils that are either single in type or have little difference in density. For mass flowmeters used in the transfer of large quantities of oil, online real-flow calibration is necessary, along with the use of an online density meter. 8. Determine the impact of damaged or corroded measurement tubes on the accuracy of the mass flow meter. Solution: a. Install appropriate filters at the front end of the flow meter to prevent foreign objects from entering; b. Use flow meters made of special materials.