What should I do if the vortex flowmeter output signal | Xuner instrument | vortex flowmeter does not count and the signal has no output?

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What are the output signals of vortex flowmeters?

There are several types of output signals for vortex flowmeters, including the following:

1. Pulse output: one of the most common output methods, reflecting changes in flow rate through the frequency or width of the pulse signal, usually used in conjunction with counters or sensors

2. Analog standard signal: including 4-20mA current signal and RS-485 communication interface output, which can be directly used in conjunction with control systems or regulators to achieve remote monitoring and adjustment of flow sensitivity

3. Digital pulse signal: This signal uses a photoelectric encoder to count the flow rate, and then outputs it through a serial communication interface, with high precision, good stability and other characteristics, suitable for use.

In various tedious traffic measurement and control scenarios

4 Other output methods: The vortex flowmeter can also have other additional functions, such as LCD display, without temperature and pressure compensation, integrated temperature and pressure compensation, battery powered type, etc. Different output methods can be selected according to actual needs.

2. What signal does the vortex flow sensor output?

3. What should I do if the Xuner instrument | vortex flow meter does not count and there is no signal output?

When the vortex flowmeter of Xuner Instrument shows the situation of "no data displayed, no signal output", the following steps can be taken to troubleshoot and handle it:

1. Check the instrument itself and check the settings: First, check the instruction manual to confirm whether the instrument settings are correct, to avoid no signal output cause

d by incorrect parameter settings.

. Tap test: Use a hard object to tap the vortex flowmeter and observe if there is any flow display. If there is a flow display, it may be due to the absence of medium flow in the pipeline, cracking and seepage, or the medium flow rate not reaching the lower limit of the vortex diameter. At this point, it is necessary to check the condition of the pipeline medium to ensure that the medium flows normally and the flow rate is within the measurement range of the instrument. If there is no traffic display: proceed to the next check. Sensor lead testing: Remove the sensor leads from the circuit compartment on the amplification board, then short-circuit the sensor lead terminals on the amplification board and touch them with your hand. If 50 or 100Hz is displayed, it indicates that there is a problem with the sensor and it may need to be replaced. If there is no display: it indicates that there is a problem with the amplification circuit, and the amplification circuit needs to be repaired or the relevant circuit components need to be replaced.

Secondly, investigate the on-site situation of the instrument and common ground problems. If the instrument itself has no problems, it is necessary to consider the situation where the instrument and DCS system share the ground, causing the signal to not be transmitted.

. For example, at the water tank replenishment measurement site in a chemical plant, the customer has two DN125 flow meters on the feedback site, with a display on the meter head, but no current is flowing to the DCS system. The current measured from the GND end of the instrument is 0mA, and the current measured from the 24V end is 4mA. It is preliminarily judged to be a commo

What should I do if the vortex flowmeter output signal | Xuner instrument | vortex flowmeter does not count and the signal has no output?

What are the output signals of vortex flowmeters?

2. What signal does the vortex flow sensor output?

3. What should I do if the Xuner instrument | vortex flow meter does not count and there is no signal output?

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