What are the domestic turbine flow meters with similar accuracy to electromagnetic flow meters

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1. Possible issues with the Roots meter of the turbine flow meter include discrepancies between the displayed flow rate and the actual flow rate, no flow display, and unstable output signals; Possible issues with Roots flow meters include no output signal after power on, abnormal noise and noise, leakage, large measurement errors, and non display on the screen. Turbine flowmeter: The displayed flow rate does not match the actual flow rate: the reason may be due to incorrect instrument coefficient settings, sensor failures, or fluid conditions in the pipeline that do not meet the requirements. The solution is to recalibrate the instrument coefficients, check if the sensor circuits and turbine blades are intact, and improve the fluid condition. No traffic display: It may be due to power failure, signal transmission issues, or turbine jamming. It is necessary to check whether the power lines and adapters are normal, whether the signal lines and signal processing units are intact, and to clean or repair the turbine. Unstable output signal: The reason may be electrical interference, fluid fluctuations, or mechanical vibrations. The solutions include eliminating electrical interference sources, stabilizing fluid conditions, and improving the installation position of flow meters. Roots flowmeter collapsed and: no output signal after power on: may be due to no flow or flow lower than the starting flow, incorrect connection between power and output line, rotor stuck by dirt or excessive installation stress causing it to not rotate, magnetic sensor no signal. The solution includes opening the valve to adjust the flow rate, ensuring the correct connection between the power supply and output line, removing dirt and reinstalling the flow meter, and replacing the magnetic sensor. There are abnormal noises and noises: it may be due to excessive flow, rotor collision or bearing damage, or high installation stress. Need to adjust the flow rate to the specified range, request maintenance or replacement of damaged parts from the manufacturer, and correctly install the flowmeter according to the instructions. Leakage: It may be due to loose plugs or damaged O-rings. The solution is to tighten the plug and replace the damaged O-ring. Large measurement error: It may be due to incorrect selection, water accumulation in the flowmeter, leakage in the bypass, or high lubricating oil level. It is necessary to select a flow meter with a suitable flow range, remove accumulated water or install it vertically, close the bypass valve tightly and perform system leak detection, as well as clean the Roots flow sensor and refuel according to regulations. The screen does not display: it may be due to undervoltage of the battery, poor contact or detachment of the battery plug, circuit board failure, and other residual factors. Need to replace the battery, check the battery plug and reconnect it, or contact the manufacturer to replace the circuit board. Tuanji

2. What are the measurement ranges of turbine flow meters?

1、 Turbine flowmeter is based on the electromagnetic induction generated by the rotation of turbine blades inside the flowmeter to measure the flow rate. It can measure both liquids and gases, and is very sensitive. The diameter for measuring liquids is generally DN4- DN200, and for measuring gases it is generally DN20- DN300;

2、 Turbine flowmeter measures liquids with a very small diameter and good economy. The units are ge

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