Elements of safe use of mass flowmeter

Elements of safe use of mass flowmeter ① The success of the flowmeter application is directly related to the installation. In addition to the normal installation requirements, special attention should be paid to reducing the impact of vibration, because the mass flowmeter works based on the principle of vibration, and external vibration will introduce interference. However, as little external disturbance as possible is undoubtedly beneficial to accurate measurement, so the vibration from the pipeline and the site environment should be avoided as much as possible. ② During the use of the instrument, it is necessary to carry out accurate zero point calibration under the conditions of use. The mass flow meter is a high-precision measuring instrument used online. The drift of the zero point will affect the measurement results. It must be calibrated regularly during long-term use. ③Be sure to avoid the situation of exceeding the range of the instrument, which will cause the decrease of the measurement accuracy of the instrument, and in severe cases, it will cause damage to the instrument. For example, operations such as steam sweeping that exceed the operating temperature range of the instrument will damage the detection coil and make the instrument unusable. ④ The mass flowmeter has high precision and high price, which requires careful maintenance, such as providing it with a high-quality regulated power supply, and frequently checking the vibration and operating conditions on site to ensure accuracy and instrument safety. When using the mass flowmeter in normal times, it is necessary to prevent artificial power failure and disconnection. Take the method of cutting off the power and disconnecting the signal line so that the flowmeter does not measure for a short time, which will cause measurement disputes. Such problems should be paid attention to. The solution is to lock the instrument box, and a special person is responsible for the management.

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