Jiangsu Hongyi Automation Instrument Co., Ltd
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Intelligent hydraulic oil flow meter
Intelligent hydraulic oil flow meter is the main type of impeller flow meter, which consists of sensors and conversion display devices. The sensors us
Product details
overview

Intelligent hydraulic oil flow meter is the main type of impeller flow meter, which consists of sensors and conversion display devices. The sensors use a multi blade rotor to sense the average flow velocity of the fluid, thereby deriving the flow rate or total amount. Turbine flowmeters have been widely used in fields such as petroleum, chemical, scientific research, national defense, and metrology.

Working principle

The HY-LWGY series intelligent hydraulic oil flowmeter has absorbed advanced technology from domestic and foreign flow meters and has been optimized for design. It has the characteristics of simple structure, lightweight, high accuracy, good reproducibility, sensitive response, and easy installation, maintenance, and use. It is widely used to measure liquids with low corrosiveness and no impurities such as fibers and particles in closed pipelines. At working temperature, liquids with a kinematic viscosity of less than 5 × 10-6m2/s can be used directly. For liquids with a kinematic viscosity greater than 5 × 10-6m2/s, the flowmeter can be calibrated with real liquid before use. If paired with display instruments with special functions, it can also perform quantitative control, over limit alarm, etc., making it an ideal instrument for flow measurement and energy conservation.

Product Features

1. Good repeatability, short-term repeatability can reach 0.05%~0.2%. It is precisely because of its good repeatability that frequent calibration or online calibration can achieve extremely high accuracy, and it is a preferred flowmeter in trade settlement;

2. High precision, generally up to ± 1% R, ± 0.5% R, and high-precision models up to ± 0.2% R;

3. Output pulse frequency signal, no zero drift, strong anti-interference ability;

4. It can obtain high frequency signals (3-4kHz) with strong signal resolution;

5. Wide range, with a medium to large caliber of up to 1:20 and a small caliber of 1:10;

6. Compact and lightweight structure, easy installation and maintenance, and high circulation capacity;

7. Suitable for high voltage measurement, there is no need to open holes on the instrument body, making it easy to make high voltage instruments;

8. Can be made into an insertion type, suitable for measuring large diameters, with low pressure loss, low price, can be removed without interruption, and easy installation and maintenance.


Technical Parameter

Instrument caliber and connection method

4. 6, 10, 15, 20, 25, 32, 40 are connected by threads

(15, 20, 25, 32, 40) 50, 65, 80, 100, 125, 150, 200 are connected by flanges

Execution standards

Turbine flow sensor (JB/T9246-1999)

accuracy class

± 1% R, ± 0.5% R, ± 0.2% R (to be customized)

Range ratio

1:10;1:15;1:20

Instrument material

304 stainless steel, 316 (L) stainless steel, etc

Temperature of the tested medium (℃)

-20~+80℃;- 20~+120℃;- 20~+150℃;

environmental condition

Temperature -10~+55 ℃, relative humidity 5%~90%, atmospheric pressure 86~106kPa

output signal

Sensor: Pulse frequency signal, low level ≤ 0.8V, high level ≥ 8V

Transmitter: two-wire 4-20mADC current signal

power supply

A. External power supply:+ 24VDC ± 15%, ripple ≤ ± 5%, suitable for 4-20mA, pulse output, R485, etc

B. Internal power supply: 1 set of 3.0V10AH lithium batteries, which work normally when the battery voltage is between 2.0-3.0V

Signal transmission line

STVPV3 × 0.3 (three wire system), 2 × 0.3 (two wire system)

Distance

≤1000m

Signal line interface

Basic type: Hausman connector, explosion-proof type: internal thread M20 × 1.5

Explosion proof grade

ExiaICIT4 or ExdIIBT6

protection grade

IP65


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