Forums

Electromagnetic Flowmeter _561
And direct contact with measured medium electromagnetic flowmeter , to have strong corrosion resistance. The main role of the transmitter signal into the sensor and the medium is proportional to the standard volume flow signal output (0-20mA ,4-20mA ,0 - 10KHz) replica rado watches . And have a high stability, precision and strong anti-interference ability wholesale shoes . 3 the main parameters of electromagnetic flowmeter and features (1) measuring no epoxy paint moving parts inside the catheter and fluid resistance, and thus no pressure loss, no mechanical inertia stretch film machine , the reaction is very sensitive. (2) The wide measuring range moncler , range than the maximum of 100:1 to 10:1. Flow can be extended to 0.3 ~ 10m / s. Flow range can be measured per hour buy moncler , tens of milliliters to hundreds of thousands of cubic meters. Diameter measurement from 2mm ~ 2000mm.
(3) can be measured with solid particles polo shirts , suspended solids or acid, alkali, salt solution, such as electrical conductivity of liquid with a certain volume flow moncler jacket ; also be two-way measurements. (4) E and Q is linear, so the instrument has a uniform scale microsoft office 2007 , and the volume of fluid flow and physical properties of the medium (temperature, pressure, density, viscosity, etc.) true religion , independent of flow conditions, so any overflow of electromagnetic flow meters uggs on sale : electromagnetic Flowmeter calibration water just after 79, other conductive medium can be used to measure the volume of traffic without amendment. 4, the selection of the principle of electromagnetic flowmeter gucci handbags . Selection of the final analysis, electromagnetic flow meter sensor used chaussure shox , because the transmitter can be adjusted according to the sensor.
(1) First, consider the caliber and range. Normal flow is wholesale shoes the best maximum flow of 50 / 0 --- 70% of the flow rate generally choose 2 --- 4rn / s, flow rate determined, according to formula q = nDv / 4 to determine the caliber ed hardy shirt . (2) pressure, the use of pressure shall not exceed the pressure meter nike shoes . (3) temperature, choose different depending on the temperature of the flowmeter liner air max tn . F (4) corrosive; different options under different corrosive lining and electrode materials dolce and gabbana sunglasses . (5) media, the medium must be conductive to cut magnetic lines, it can not be used to measure gas coach handbags , steam and petroleum products and other non-conductive fluid flow.
Table 2 can be measured by electromagnetic flowmeter medium X is not applicable cheap nike shoes , O is available, + is available under certain conditions shox shoes , V is applied. 5 Electromagnetic Flowmeter Application Note To ensure the normal use of the electromagnetic flowmeter crocs , the application should note the following: 5.1 meter ground due to electromagnetic induction flowmeter signal voltage is small photo to painting , easily affected by noise. Reference potential must be fluid to the same. Therefore, the flow meter correctly grounded or not biological microscope , directly related to the measurement accuracy and stability.
(1) When the flow of chassis ground, so that lithium 3.6v battery the liquid being measured electrical connection with the earth stainless flange , at zero potential, and thus induced in the sensor and two electrodes out of the same size laser engraving machine , but the symmetry of opposite polarity potential signal; meter chassis ground at the same time, can play shielding effect of the external and the excitation system to suppress electromagnetic interference fuel pump electric . (2) When the pipe with a strong stray current, it should block the stray current flow through the meter christian louboutin . Installed when the first installation of insulation between the pipe and the short tube flow meter, and then use an area of not less than 16mm of copper wire to connect the pipe ends www.api-valve.cn . That the current pipeline diversion from copper wire, not through the meter, thereby reducing interference.
5.2 meter installation location of choice (1) meter installation position hose crimping machine , there downstream elbow screw barrel , valve, pump, the fluid in the pipe to form lateral secondary flow, velocity distribution deviate from the straight pipe length is insufficient to measure accuracy. Under normal circumstances the upstream straight pipe length is not less than l0D, the downstream straight pipe length is not less than the 5D. When the upstream pump and other equipment, then the required length of straight pipe of not less than 30D. Do not install the pump inlet side of the instrument, which will result in a vacuum tube, the measurement errors.