Customized processing: Yes （OEMOEM)

model/Specifications:LWYbrand/Trademark: Minghong

Enterprise type Manufacturer: Minghong Instrument

Degree of newness: brand new

Product model:LWGY-DN4－DN600Flanges, threads, clamps, small pipe diameters Plug in installation

Origin: Guangzhou

Display: LCD display for instantaneous and cumulative flow or instrument display

Power supply:DC24VOr lithium battery

Voltage resistance:0～35MPa

Output signal: pulse4-20MAelectric currentRS485

Material: Stainless steel304 Polytetrafluoroethylene 316、316L

Promise delivery time:24hour

Applicable media: liquid, pure water, alcohol, low viscosity oil, tap water, urban water supply, petrochemical industry, food, light industry, pharmaceutical industry, sewage treatment, mechanical equipment and other general instruments for multiple industries.

Model type:LWY-YHigh pressureLWGY-THigh temperature typeLWSHygienicLWYAnticorrosive typeLWGYimpulsiveLWGY-Acurrent modeLWGY-BBattery powered typeLWGY-CCurrent display typeLWGBplug-in typeLWYGCCurrent display type

Non standard developed flow meters, non-standard customized flow meters,Liquid turbine flowmeter

1、 Overview:

1The turbine flow sensor (hereinafter referred to as the sensor) is a newly developed anti-corrosion sensor by our company, which is paired with a display instrument to form a turbine flow meter. It can measure the instantaneous flow rate and cumulative volume of liquids, and can also quantitatively control liquids. Sensors have the characteristics of high precision, long lifespan, simple operation and maintenance, and are widely used in industries such as mining, petroleum, chemical, metallurgy, and power plants. All sensors are made of non-metallic materials, making them particularly suitable for measuring highly corrosive liquids. It is an internal instrument for measuring corrosive liquids.

2Sensors are suitable for liquids without impurities such as fibers and particles.

3If users require special types of sensors, they can negotiate and place orders together. When explosion-proof sensors are required, please provide instructions when placing an order

2、 Working principle:

　　 When the measured liquid flows through the sensor, the impeller inside the sensor rotates with the help of the kinetic energy of the liquid. At this time, the impeller blades cause periodic changes in the magnetic resistance of the detection device, resulting in the induction of electrical pulse signals proportional to the flow rate at both ends of the detection coil. After amplification by the preamplifier, the signals are sent to the display instrument. The turbine flowmeter is composed of a turbine flowmeter and a display instrument. Sensors have the characteristics of high accuracy, good repeatability, long lifespan, and simple operation. It can be widely used in industries such as petroleum, chemical, metallurgy, and papermaking to measure the instantaneous flow rate and total volume of liquids.

　　 Within the measurement range, the flow pulse frequency of the sensor is directly proportional to the volumetric flow rate, and this ratio is the instrument coefficient usedKexpress::　　K=f / QperhapsK＝V / N

　　 In the formula:f- Flow signal frequency（Hz）；

　　　　　Q- Volume flow rate（m3/hperhapsL/h）；

　　　　　N- Number of pulses;

　　　　　V- Total volume（m3/L）；

　　 The instrument coefficient of each sensor is filled in the calibration certificate by the manufacturer. At the time of leaving the factoryKThe value has been set into the supporting display instrument, which can display the instantaneous flow rate and total volume,Do not modify the manufacturer when using itKprice

3、 Main technical parameters:

Accuracy:1.0Level0.5Grade;

Usage conditions:

1、 Environmental temperature:-20～+50℃；

2、 Relative temperature:5%～95%；

3、 Medium temperature:-20～+80℃；

4、 Explosion proof grade:ibⅡBT4；

5Medium pressure:1.0MPa；

6Output mode: pulse output or4～20mATwo wire system;

7Installation method: flange connection;

8Transmission distance: The distance from the sensor to the display instrument can reach1km

4、 Characteristics:

The pressure loss is small, and the impeller has anti-corrosion function.

Has high resistance to electromagnetic interference and vibration, reliable performance, and long working life.

Adopting advanced ultra-low power single-chip microcomputer technology, the whole machine has strong functions, low power consumption, and superior performance. Intelligent flow display with non-linear accuracy compensation function. The accuracy of the correction formula is better than ±0.02%.

The instrument coefficient can be set online by pressing the button and can be displayed on the screenLCDOn the screen,LCDThe screen is intuitive, clear, and highly reliable.

useEEPROMProvide power-off protection for accumulated flow and instrument coefficients. Protection time greater than10Year.

Tianjin Zhejiang Hunan Guangdong Guangxi Hainan Fujian Jiangxi Hubei YunnanLWGYMain technical parameters of turbine flowmeter:

Flow meter specifications, basic parameters, and performance indicators

Accuracy:0.5Level1.0Grade;

MH-LWGY─□/□/□/□/□/□/□

Nominal Diameter

4mm, standard range0.04～0.25m3/hThe wide range is0.04～0.4m3/h

6mm, standard range0.1～0.6m3/hThe width wheel is0.06～0.6m3/h

10mm, standard range0.2～1.2m3/hThe wide range is0.15～1.5m3/h

15mm, standard range0.6～6m3/hWide range is0.4～8m3/h

20mm, standard range0.8～8m3/hThe wide range is0.4～8m3/h

25mm, standard range1～10m3/hThe wide range is0.5～10m3/h

32mm, standard range1.5～15m3/hThe wide range is0.8～15m3/h

40mm, standard range2～20m3/hThe wide range is1～20m3/h

50mm, standard range4～40m3/hThe wide range is2～40m3/h

65mm, standard range7～70m3/hThe wide range is4～70m3/h

80mm, standard range10～100m3/hThe wide range is5～100m3/h

100mm, standard range20～200m3/hThe wide range is10～200m3/h

125mm, standard range25～250m3/hThe wide range is13～250m3/h

150mm, standard range30～300m3/hThe wide range is15～300m3/h

200mm, standard range80～800m3/hThe wide range is40～800m3/h

class type

N+12VPower supply, pulse output, high level ≥8VLow level ≤0.8V

accuracy class:0.5level1.0level

WWide range turbineSStandard turbine

material nature-S:304stainless steelL316（L）Stainless steel

provide against burstNUnmarked, non explosion proof type

pressure ratingN

Note:DN15～DN40The usual method is threaded connection. If you want to use flange connection, please add "nominal diameter" after it“（FL）”

For example, selecting a flange connected non explosion proof turbine flowmeter to measure water requires pulse signal output, and the pipeline isDN40, requires precision0.5Level,304Stainless steel material, pressure resistant instrument16MPaThe measurement range is the standard range, and the product model should be:MH-LWGY-40(FL) /05/S/S/N/H16