『Vortex flowmeter transmitter』Related information(clamp on meter|electromagnetic meter|venturi meterrotameter|orifice meter|ultrasonic flow meter|mass flow meter|coriolis mass flow meter|coriolis flow meter|magnetic flow meter|magmeter flow meter|magflow flow meter|mag meter flow meter|electromagnetic flow meter|vortex flow meter|turbine flow meter|thermal mass flow meter|thermal flow meter|rotameter flow meter)
What are the possible faults of vortex flowmeter without flow signal output?
The main analysis of the solution for vortex flowmeter wheel signal without flow signal output includes the following points:
1. Check whether the cable draft section of the vortex flowmeter is intact and the connection is correct.
.2、 Confirm that the power has been connected and check if the output voltage of the power circuit board is normal.
3、 Check if there is any dirt on the inner wall electrode of the vortex ring Jinglun Street flowmeter transmitter.
2. Wiring instructions for vortex flowmeter
The sensor of vortex flowmeter is designed with a three wire system, including power line, signal line, and power ground line.
. This design uses a three core shielded cable, where the shielded wire is connected to the ground of the housing at the sensor end. It is worth noting that Bi should not regret connecting the shielded wire to the ground at the secondary instrument end. The specific function of each wire is: the power line provides power, the signal line transmits data, and the power ground wire is connected to the ground terminal of the sensor. These three wires correspond to different functions, ensuring the normal operation of the equipment. The transmitter adopts a two-wire design and uses a two core cable. In the vortex street transmitter, the "+" terminal is connected to the+24V power supply, while the "-" terminal is connected to the signal input "+" Binance lifting terminal of the test instrument. The signal "-" end needs to be connected to the "-" end of a 24V DC power supply to form a 4-20mA current loop. This design enables vortex flowmeters and transmitters to work efficientl_600x400.jpg)
3. Working principle of vortex flowmeter
1. Placing a triangular vortex generator in the fluid will cause regular vortices to alternate on both sides of the vortex generator, which is called Karman vortex.
. These vortices are arranged in an asymmetric manner downstream of the vortex generator to form vortex columns.2、 The vortex flowmeter measures the volumetric flow rate, standard state volumetric flow rate, or mass flow rate of gases, vapors, or liquids based on the K á rm á n Vortex Street principle, and can be integrated as a flow transmitter into automated positive osmosis control systems.
3、 Vortex flowmeter uses the principle of fluid oscillation to measure flow rate. When a fluid passes through a vortex flow transmitter, two alternating columns of vortices are generated behind the vortex generator, whose frequency is proportional to the average velocity of the fluid flowing through the vortex generator and the characteristic width of the vortex generator. The release frequency of a vortex can be expressed as
Hot Blog
Related AD
