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LDG Liquid Diesel 4-20mA Electromagnetic Flow Transmitter

LDG Liquid Diesel 4-20mA Electromagnetic Flow Transmitter

LDG Electromagnetic Flow Transmitter

Liquid Diesel Electromagnetic Flow Transmitter

4-20mA Water Flow Measurement Devices

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Product Details
Variable Electromagnetic Flowmeter Liquid Diesel Digital Water Flow Meter
Pipe Size:
Water Flow Meter
Electromagnetic Flowmeter
Payment & Shipping Terms
Minimum Order Quantity
Packaging Details
Delivery Time
Payment Terms
L/C, T/T, Western Union
Supply Ability
5 pcs per week
Product Description

Variable Electromagnetic Flowmeter liquid diesel water Flow Meter



Description Variable Electromagnetic Flowmeter liquid diesel Digital water Flow Meter

Variable Electromagnetic Electromagnetic Flowmeter Liquid Fuel Diesel Digital Flowmeter Intelligent Electromagnetic Flowmeter consists of two parts: sensor and converter. It is based on the working principle of Faraday's law of electromagnetic induction. It is used to measure the volume flow of conductive liquids with a conductivity greater than 5μS/cm. It is an induction meter for measuring the volume flow of conductive media.




Parameter Variable Electromagnetic Flowmeter liquid diesel Digital water Flow Meter

Nominal Diameter(mm)
(Special specifications can be customized)
pipeline tetrafluoroethylene lining:DN10~DN2600
Pipeline rubber lining:DN40~DN2600
Flow direction: positive and negative, the net flow
Turndown ratio: 1500:1
Repeatability error:

± 0.1% of measured value


Accuracy: Pipeline:0.5,1.0
Measured medium temperature: ordinary rubber lining::-20~+60℃
High-temperature rubber lining: -20~+90℃
PTFE lining:-30~+120℃
High temperature tetrafluoroethylene lining:::-20~+180℃

Rated working pressure:

(High voltage can be customized)

Flow rate range: 0.1-15m/s
Conductivity range: the measured fluid conductivity≥5μs/cm
Current output: load resistance 0~10mA:0~1.5kΩ
4~20mA:0~750 kΩ
Digital frequency output:

transistor output frequency limit can be set with optical isolation within 1 ~ 5000HZ bidirectional open-collector output. External power supply is turned ≤35V maximum collector current of 250mA


Power supply: AC220Vor DC24V
Length of straight pipe requirements upstream≥5DN,downstream≥2DN

are used between the meter and piping flange connection, flange dimensions shall comply with the provisions of GB11988


Explosion levels mdIIBT4
Protection class: IP65,special order up to IP68
Ambient temperature: -25~+60℃
Relative humidity: 5%~95%

Total power consumption:


less than 20W

LDG Liquid Diesel 4-20mA Electromagnetic Flow Transmitter 0

Measurement range:Variable Electromagnetic Flowmeter liquid diesel Digital water Flow Meter

Inner diameter(mm) 10 15 20 25 32 40 50 65
Qmin(m3/h) 0.0283 0.0636 0.12 0.176 0.29 0.452 0.7 1.19
Qmax(m3/h) 4.24 9.54 16.96 26.5 43.42 67.85 106.0 179.0
Inner diameter(mm) 80 100 125 150 200 250 300 350
Qmin(m3/h) 1.8 2.82 4.41 6.36 11.3 17.6 25.4 34.6
Qmax(m3/h) 271.0 424.0 662.0 954.0 1690 2650 3810 5190
Inner diameter(mm) 400 450 500 550 600 700 800 900
Qmin(m3/h) 45.2 57.2 77.6 85.5 101.0 138.0 180.0 229.0
Qmax(m3/h) 6780 8570 10600 12800 15200 20700 27100 34300
Inner diameter(mm) 1000 1100 1200 1400 1600 1800 2000 2200
Qmin(m3/h) 282.0 342.0 407.0 554.1 732.7 916.0 1131.0 1368.4
Qmax(m3/h) 42400 51300 61000 83121 108566 137404 169635 205258



Features Variable Electromagnetic Flowmeter liquid diesel Digital water Flow Meter

l Fully digital processing, anti-interference ability, reliable measurement, high accuracy flow measurement range up to 1500: 1

l Ultra-Low EMI switching power supply for supply voltage variation range, anti-EMI performance.

l 16-bit embedded microprocessors, computing speed, high precision, programmable low-frequency square wave excitation frequency and improve the stability of the flow measurement, low power consumption.

l using SMD devices and surface mount (SMT) technology, circuit reliability.

l No moving parts inside the pipe l, unimpeded flow of parts, measuring almost no additional pressure loss.

l range in the field can be modified online according to the actual needs.

l measurements and velocity distribution, the physical parameters of the fluid pressure, temperature, density, viscosity and the like.

l High-resolution backlit LCD display, full Chinese menu, easy to use, simple to operate, easy to understand.

l have RS485, RS232, Hart, and Modbus and other digital communication signal output. (Optional)

l has a self-test and self-assertion.

l total hourly recording function to record the total flow in units of hours for hourly metering system (optional)

l have three internal totalizer can show the cumulative amount of forward and reverse cumulative amount of the difference between the volume totalizer, the internal power-down features not always, can record 16 power-down times. (Optional)

l IR handheld operator, 115KHZ communication speed, long-distance non-contact operation of all functions converter (optional)



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