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1. Could someone please explain in detail the starting flow rate issue of the flowmeter? The more detailed the better.
The vortex flowmeter is a flow measurement instrument designed based on the Karman vortex principle, suitable for measuring the volumetric flow rate of gases, liquids, and vapors, as well as the volumetric flow rate or mass flow rate under standard conditions.. Its measuring medium includes but is not limited to gas, liquid, and vapor, with various connection methods including flange clamping, flange, and insertion, and a wide range of caliber options. The measurement range of the vortex flow sliding pin gauge is wide and suitable for fluids with Reynolds numbers between 1.5 × 104 and 4 × 106. For gases, the measurement range is 5-50m/s; The measurement range for liquids is 0.5-7m/s. In addition, the measurement accuracy of vortex flowmeter is divided into 1.0 level and 1.5 level, and it is believed that the temperature range of the measured medium covers normal temperature -25 ℃~100 ℃, high temperature -25 ℃~150 ℃ or -25 ℃~250 ℃. This flowmeter has two output modes: pulse voltage output signal and pulse current remote transmission signal. The high level of the pulse voltage output signal is 8-10V, the low level is 0.7-1.3V, the pulse duty cycle is about 50%, and the transmission distance can reach 100 meters. The pulse current remote transmission signal is 4-20 mA, with a transmission distance of 1000 meters. The working environment requirements for vortex flowmeters are relatively tolerant, with a temperature range of -25 ℃ to+55 ℃ and humidity of 5-90% RH below 50 ℃. The material selection of vortex flowmeter is diverse, including stainless steel and aluminum alloy. The power supply i
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2. What internal parameters of the vortex flowmeter need to be set during specific use? The amplifier of the vortex flowmeter varies depending on its function and version.
1、 A vortex flowmeter with simple functions includes the following parameter options: instrument coefficient, small signal cutoff, 4-20mA corresponding output range, sampling or damping time, cumulative reset, etc.
2、 The vortex flowmeter with comprehensive functions, in addition to the above, also includes the following parameter options: type of measuring medium, flow compensation setting, flow unit, type of output signal, temperature upper and lower limits, pressure upper and lower limits, local gas pressure, medium standard density, communication settings (such as trigger number, baud rate, data bit, etc.). ~~Professional manufacturer and seller of flow meters, welcome to discuss and negotiate~
3. Who knows the advantages and disadvantages of vortex flowmeters
No instrument is perfect, and there are certain limitations in product performance, including vortex flowmeters. The advantages and disadvantages of vortex flowmeter are: 1. Vortex flowmeter has no movable parts, simple measuring element structure, reliable performance, and long service life. 2. Vortex flowmeter has a wide measurement range. The range ra
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