Measuring principle of flow totalizer

Flow totalizer can be applied to various media, such as gas, liquid, etc., and can measure heat, water cooling, and water heat, so it is also called heat flow totalizer, water heat/water cooling flow totalizer, and can be used in the whole process Non-linear adjustment within the range, after the flow meter is verified by standard instruments of various media, it can be made into a flow meter for this medium. The flowmeter is composed of two parts: a flow sensor and a flow totalizer. The flow sensor is composed of a vortex generator, a sensor probe and related electronic circuits that generate output signals. When the flowing medium meets the vortex generating body of the flow sensor at a certain flow rate, the frequency of the vortex generation is proportional to the flow rate, so it is proportional to the flow rate in the pipeline. The frequency signal is accumulated and displayed, and the accumulated flow and instantaneous flow are sent to the computer for processing through the serial port communication, such as forming a report. In order to use the meter more accurately, we can use software to make the meter very accurate, basically it can reach about 0.05%. Before the instrument leaves the factory, after the flowmeter is verified with standard settings, it can record the flow coefficient per second of a single frequency in each section in several sections within the entire process range. Then the flow parameters are set through the four-key keyboard, and the single-chip microcomputer program calculates the flow per second corresponding to the whole frequency of the system, and writes it into the 24C16 of the single-chip microcomputer. During normal measurement, the corresponding flow rate per second in 24C16 is taken out according to different frequencies, and sent to the single-chip microcomputer for calculation to obtain the instantaneous flow rate (m3/hour) at that time and accumulate it.

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