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After installing the turbine flowmeter,
Be sure to really study turbine flowmeter specifications. For the problems encountered in the initial operation, be good at analyzing and thinking. The entire turbine flow meter has been calibrated and calibrated on the flow calibration device of the manufacturer. As long as the matching number of the sensor and the converter and the meter coefficient are correct, the turbine flow meter can generally be put into operation without any adjustment.
Before the instrument is put into operation, the turbine flowmeter sensor must be filled with the actual measuring medium, and after the power is turned on, the zero point is adjusted in the static state. After operation, check the zero point according to the medium and the conditions of use. Check the zero point regularly, especially for the easy-to-precipitate, easily polluted electrodes, and non-clean media containing solids. In the initial stage of operation, you should check more to obtain experience and determine the normal inspection cycle of the two electrodes. When the contact resistance changes, it indicates that the turbine flowmeter electrode is likely to be contaminated; the contact resistance becomes larger, the contaminant may be an insulating deposit; the contact resistance becomes smaller, and the contaminant may be a conductive deposit; The contact resistance of the two electrodes is asymmetrical, indicating that the two electrodes are not contaminated to the same degree; the drop in the insulation resistance of the electrodes and the excitation coil indicates the degree of moisture in the turbine flowmeter sensor; when the insulation resistance drops to a certain degree, it will affect the normal operation of the instrument.
Turbine flow meter check before installation
ZK-LWGY series turbine flowmeter is widely used to measure the non-corrosive effect of stainless steel 1Cr18Ni9Ti, 2Cr13 and corundum AI2O3, and cemented carbide in closed pipes, and it has no impurities such as fibers and particles. Its kinematic viscosity at working temperature is less than 5×10- 6m2/s liquid, for liquids with kinematic viscosities greater than 5×10-6m2/s, it can be used after solid-liquid calibration of the flowmeter, and it can also perform quantitative control, over-alarm, etc. It is an ideal instrument for flow measurement and energy saving. .