Портативный ультразвуковой расходомер электронный воды низкая цена открытый канал используемый для Parshall

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Portable Ultrasonic Flowmeter Electronic Water Flow Meter Low Cost Open Channel Used For Parshall Flume

 

Summery for Parshall flume matching with open channel flowmeter in water conservancy experiment

The greater the flow in the open channel, the higher the liquid level; the smaller the flow rate, the lower the liquid level. For general channels, there is no definite relationship between liquid level and flow rate. Because of the same depth, the magnitude of the flow is related to the cross section area, slope and roughness of the channel. A weir is installed in the channel, because the gap of the weir or the slot of the channel is smaller than the cross section of the channel, so the relationship between the upstream water level and the flow depends mainly on the geometric size of the weir slot. The same amount of water weir slot placed in different channels, the same liquid level corresponding to the same flow. The weir turns the flow into a liquid level. By measuring the water level in the water weir slot, and then according to the corresponding water weir slot water level flow relationship, the reverse flow is calculated.

 

 

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Application for Parshall flume matching with open channel flowmeter in water conservancy experiment
1, the shape of Bashir trough is complex, higher than weir price, and in order to improve the accuracy requirements, the size of each part of the flume is accurate. But there are also some advantages that other measuring devices can not match the water level loss is small (about 1/4, even the water weir) affect the influence of water level of solid material is almost no precipitation, close to the velocity of small, on the downstream side is relatively small, so is used to measure agricultural water, industrial water and other liquid flow.
2, with the use of open channel flowmeter, the size of the flow within the open channel into the level of liquid level. Measurement of water flow in open channel. Such as urban water diversion channel, thermal power plant cooling water diversion and drainage channels, sewage treatment inflow and discharge canals, industrial and mining wastewater discharge, as well as water conservancy projects and agricultural irrigation channels.

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We are a professional manufacturer.

 

Q2. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.

Q3. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.

Q4. What is your terms of delivery?
A: EXW, FOB, CFR, CIF.

Q5. How about your delivery time?
A: Generally, it will take 5 to 10 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q6. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.

 

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Packaging for Parshall flume matching with open channel flowmeter in water conservancy experiment

 

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