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Flowmeter

FTIM/UF series ultrasonic flowmeter is manufactured on the basis of the

principle of time difference. IT’s widely used in the industrial environment, for continuous measurement of various types of liquid, such as water, oil, chemical solution liquid; As long as the liquid do not contain large concentration of suspended impurities,with a small amount of gas, we can use FTIM/UF series products.There are portable type, plate type, wall hung, explosion-proof, handheld, and so on in accordance with the different host style. FTIM/UF series ultrasonic flowmeter is manufactured on the basis of the principle of time difference . IT’s widely used in the industrial environment, for continuous measurement of various types of liquid, such as water, oil, chemical solution liquid; As long as the liquid do not contain large concentration of suspended impurities,with a small amount of gas, we can use FTIM/UF series products.There are portable type, plate type, wall hung, explosion-proof, handheld, and so on in accordance with the different host style.
Principle

Using a pair of A and B ultrasonic transceiver probe, in turn will contain specific information pulse transceiver and oblique transmission along the conduit flow direction, the upstream to the downstream of the ultrasonic transmission time t1, transmission time and the downstream to upstream between t2 time difference due to fluid flow. If a velocity V, and fluid in the sound to C, type: Q of ring road and pipe axis Angle, L for acoustic path. The transmission of ultrasonic wave in the downstream and upstream time is respectively:

By (1) obtained from fluid in the ring road line flat speed:

Has nothing to do with the speed of sound, has nothing to do with the other physical parameters of medium. Calculate time | t1 and t2 | = delta t - get delta V - take the pipe sectional area to get the instantaneous flow, take the time to order cumulant. By using the method of time difference principle of double CPU parallel work, 4 byte floating point arithmetic, realize industrial fluid medium high precision on-line measurement. Technical indicators and features: Accuracy: 0.5% (FS), 1.0% FS, the stability of 0.1% [half a year] Installation method: tube outer bound type (pipe material: all uniform circular tube, excluding sandwich) Signal transmission length: ≤300 m, coaxial dual shielded wire, 75 Ω Output mode (4 ~ 20 mA) or (0 ~ 20) mA (1.2 K Ω) empty F(2~9999) HZ optional(OCT output),RS232/485 Display cycle: 250 ms (adjustable) Probe types: 1 MHZ, 500 KHZ, probe angle type: 30 °, 45 °, 60 ° Measuring diameter: φ50~ φ3000 mm Straight pipe requirements: in the first 10 D after 5 D Measuring medium: water, fresh water, acid alkali, food oil, kerosene, crude oil, alcohol, beer, coating liquid Medium temperature: - 10 ~ 130 ℃ The probe can be decided to work in the water depth H (3 m or less). Install size: 260 * 175 * 100 mm (secondary instrument) Weight: about 3 kg. Power supply: 0.1 ~ 220 v / 24 v / 1 A or A dc

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