Low cost wall mounted ultrasonic sensor

This depends on the technical content of the instrument itself, after a large number of test cases on-site to prove that, like a long pipeline, scaling serious, large diameter problem, Aituer AFTU-2W series than other clip type ultrasonic flow meter, Signal is very fast, and the signal is very stable. .

Solution: For large diameter, scaling serious, it is recommended to choose a good quality clip outside the ultrasonic flowmeter, probe installation pipe to be polished, with coupling agent or coupling plate to exclude the probe and the workpiece surface between the air, the ultrasound Can effectively be introduced into the pipeline to ensure that the detection surface has sufficient sound intensity transmittance.

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High accuracy good repeatability performance best selling vortex flow meter

Steam Flow Meter is used to meausre kinds of steam, gas, air and low viscosity liquid.

Introduction

In the meter body vertical insert a triangular prism root namely the happening of the body, when eddies of medium flow through the table body, in triangular prism behind the alternate produce in opposite directions regular karman swirl,its spiral separation and the flow of the medium frequency F speed by sensing head is proportional to the V detected the number of spiral,can measure the flow velocity,again according tp the table body mouth.

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Top 10 Manufacturer Agriculture Modbus Water Electromagnetic Flow Meter

The working principle of Sanitary Flow Meter is based on Faraday's law of electromagnetic induction. In the electromagnetic flowmeter, the conductive medium in the measuring tube corresponds to the conductive metal rod in the Faraday test, and the two electromagnetic coils at the upper and lower ends generate a constant magnetic field.

When a conductive medium flows, it will produce the induced voltage (working principle as shown below). The two electrodes inside the pipe measure the induced voltage generated. The measuring pipe is electrically isolated from the fluid and the measuring electrode by non-conductive linings (rubber, Teflon, etc.). The function of the electromagnetic flowmeter on the market is quite different, simply measuring the one-way flow, only outputting the analog signal to drive the post instrument; the multi-function instrument has measured the bidirectional flow, the range switch, the upper and lower limit flow alarm, the empty tube and the power cut off Alarm, small signal removal, flow display and total calculation, automatic check and fault self-diagnosis, communication with the host computer and motion configuration.

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Sea Salt Dn500 Electromagnetic Water Flow Meter

Chemical flow meters liquid widely used, large diameter meters are more used in water supply and drainage works; small and medium caliber commonly used in high demand or difficult to test occasions, such as steel industry blast furnace outlet cooling water control, paper industry measuring pulp and black liquor, chemical industry Strong corrosive liquid, non-ferrous metallurgical industry pulp; small caliber, small caliber commonly used in the pharmaceutical industry, food industry, biochemistry and other health requirements of the place

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Patent Technology Wireless Electromagnetic Water Flow Meter China

Sewage flow meter due to the small pressure loss, low energy consumption, and wide measurement range and other characteristics, therefore, in the increasingly high degree of automation of chemical production, electromagnetic flowmeter is gradually being widely used.

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Japan Standard Battery Operated Electromagnetic Velocity Flow Meter

(1) The liquid shall have the desired conductivity for the measurement. And the conductivity distribution is required to be substantially uniform. Therefore, the flow transmitter installation to avoid easy to produce non-uniform conductivity of the place, for example, near the upstream to join the liquid, the liquid point is best located downstream of the transmitter.

(2) Transmitter The measuring tube must be filled with liquid (except for the full tube type).Wastewater flow meter the transmitter should be installed at any time to measure where the inside of the catheter can be filled with liquid to prevent the illusion caused by the absence of a liquid in the catheter and the pointer is not zero. The measuring tube is preferably mounted vertically so that the liquid to be measured flows from the bottom up to the meter. In this way, it is possible to avoid the presence of a precipitate in the conduit or a bubble in the medium to cause a measurement error. If the installation can not be installed vertically, can also be installed horizontally. But to make the two electrodes on the same level.

(3) electromagnetic flowmeter signal is relatively weak, in the full range of only 2.5 ~ 8mV, flow is very small, the output only a few microvolts, the outside world can interfere with a slight measurement accuracy. Therefore, the transmitter's housing, shielded wire, measuring catheter, and the transmitter at both ends of the pipeline must be grounded. And the need to set a separate grounding point, never connected to the motor, electrical appliances and other public ground or on the sewer. The conversion part has been grounded through the cable, so hurry to ground again. So as to avoid the interference caused by the different ground potential.

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Low cost flow meter ultrasonic clamp on manufacture

Ultrasonic flow meter instantaneous flow fluctuations

Signal strength, large fluctuations in the measurement itself.

Solution: adjust the probe position, improve signal strength, to ensure the signal strength and stability, such as their fluid fluctuations, the location is not good, re-election points to ensure that the former 10D 5D conditions.

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