News

News

/
/
Common problem
Check category

Vortex Flowmeter Troubleshooting-2024.01.20

Fault 1: There is flow in the pipeline, but the sensor has no output or the intelligent flow totalizer does not display: A. First make sure there is flow in the pipeline and it is greater than the lower limit of the sensor's measurable flow rate. B. Check whether the internal wiring of the instrument is incorrect or broken: The method is to check the wiring or hit the pipe with a hammer or wooden stick, adjust the calculator to the display frequency, and see if there is a frequency display. If there is a display, the wiring is correct. If there is no frequency display, the circuit may be wrong and the circuit needs to be checked. C. To judge whether the amplifier is good or bad: The method is to remove the probe wire from the amplification board and see if the sensor has output or if the intelligent flow totalizer has a 50HZ frequency display. If there is no output, you need to replace the amplification board. If there is output, It means the amplifier is normal. D. Determine the quality of the sensor: The method is to remove the two leads of the sensor head from the amplification board, and use a multimeter to measure the resistance between the two leads of the sensor head and the resistance of the two leads of the sensor head to the shell. It should be greater than 2MΩ, otherwise the sensor head needs to be replaced. E. If there is no problem with the sensor, check whether the pressure transmitter and platinum thermal resistor are damaged. First, check whether the pressure and temperature display on the calculator are correct. If there are no problems, it can be judged that the intelligent flow calculator is damaged. Fault 2: There is no flow in the pipeline, but the sensor has output or the intelligent flow totalizer displays: A. Check whether the vibration of the sensor installation position is too large. If the vibration is too large, consider installing a vibration reduction bracket. B. Poor grounding of the instrument causes interference. C. Removed in small signal removal equipment. Fault 3: The flow in the pipeline is normal, but the instrument shows that the flow swings too much: A.Incorrect or improper installation B. The trigger sensitivity or gain of the amplifier is improperly adjusted, and the DIP switch needs to be adjusted appropriately.  
20 2024/01

Electromagnetic flowmeter installation matters-2023.02.08

The following requirements must be followed when selecting the installation location of the electromagnetic flowmeter on the pipeline: 1. Requirements for front and rear straight pipe sections: the front end of the flow meter is ≥10DN, and the rear end is ≥5DN. It is forbidden to install it in connection with the valve. 2. The installation position must ensure that the medium flows through the full pipe to prevent the pipe from being full and gas from adhering to the electrode. 3. The sensor can be installed on horizontal, vertical or inclined pipelines. Vertical or inclined pipelines ensure that the medium flows from bottom to top, and the signal electrode should be in a horizontal state. 4. When the medium at the installation location of the flow meter is not full, the method of raising the pipe at the rear end of the flow meter can be used to fill the pipe. It is strictly prohibited to install the flow meter at the highest point of the pipe and at the water outlet. 5. Do not install a flow meter on the suction side of the pump (to prevent vacuum). 6. Keep away from equipment with strong magnetic fields. Avoid places with strong vibration and strong corrosion. For pipelines where the process does not allow flow interruption, a stop valve and a bypass pipeline should be added when installing a flow meter. 7. The measuring tube, casing, lead shielding wire of the sensor, and the pipes at both ends of the sensor must be reliably grounded and must not be shared with the grounding of other electrical equipment. This is a special installation requirement for electromagnetic flowmeters. 8. It is not recommended to install the sensor behind the control valve
20 2024/01
Previous page
1
2
中国
韩国
韩国
韩国
韩国
韩国
这是描述信息

Professional manufacturer and exporter

of flowmeter equipment

这是描述信息

The Cross of  9th Avenue and 2th Longhai Road,  Longting District, Kaifeng City, Henan Province, China.

SEND US A MESSAGE

Chat Online

Email: aylin18738997440@aliyun.com     
WhatsApp: +86-18738997440

Copyright © 2020  Kaifeng Baite Flow Instrument Co., Ltd.     豫ICP备20019609号      SEO