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1. How to judge the quality of a quality flow meter
Hello, KNKE, a manufacturer of imported quality flow meters from the United States, is pleased to answer your question.
1、 Electrode inspection: Use a multimeter resistance range to measure whether each electrode is conducting. One probe contacts the electrode end and the other probe measures the corresponding terminal in the junction box. If it continues to conduct, there is no problem. 2. Use a multimeter to check the quality of the excitation coil: Use the resistance range of the multimeter to measure the resistance of the coil. The value cannot be infinitely large, nor can it approach conduction. Normally, it should be between tens of ohms and hundreds of ohms (the resistance of different models of flow meters may vary). The above is the answer from the American imported quality flow meter manufacturer - KNKE. If you have a need for purchasing quality flow meters, please feel free to visit the official website of KNKE in the United States for selection and procurement, or inquire with KNKEs professional technical personnel to seek the most suitable source products for you. 
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2. Why choose 3/4 inch NPT internal thread for flowmeter connection
It is related to the on-site pipeline and requirements, and other methods can also be chosen
3. What does it mean to install the flowmeter 5 days before and 3 days after?
d is the diameter of the flowmeter mouth.. It is necessary to ensure that the flow meter of the pipeline and the diameter of the flow meter are consistent within the range of 5 times the diameter and 3 times the diameter of the pipeline straight section, otherwise it will affect the accuracy of the measurement results. Changzhou Chengfeng!
4. Do turbine flow meters need maintenance and overhaul?
Every flow measuring instrument requires regular maintenance and repair every year, and turbine flow meters are no exception..
5. Which is a good explosion-proof electromagnetic flowmeter?
Electromagnetic flowmeter manufacturers should first look for those with a longer history of leakage, because they have sufficient survival experience and their products have been accepted by the market for quality inspection. You can consider Changzhou Chengfeng.