Battery Operated Electromagnetic Flow Meter with IP65 Class
1. Introduction
The MLF electromagnetic flowmeter works according to Faraday's law of electromagnetic induction and consists of a sensor and a transducer. Used to measure the conductivity of a liquid or solid. In general, its conductivity should be greater than 5μS/cm (tap water, raw water conductivity of about 100 ~ 500μS/cm), can also be used to measure acid, alkali, salt water, pulp or pulp and other media. However, these media should not contain large amounts of magnetic material and air bubbles.
MLF electromagnetic flowmeter is a kind of instrument to measure liquid fluidity. Widely used in metallurgy, chemical industry, paper making, environmental protection, petroleum, textile, food, urban management, water plant and other industries flow measurement.
2. Features
MLF electromagnetic flowmeter is explosion-proof design.
Function of low conductivity measurement.
There are 9 language options to meet the needs of different customers.
Self-regulating function and self-checking.
Different outputs are optional: Hart, RS485,Profibus, 4-20mA, frequency and pulse.
3. Specification
| MLF Type | Divided Type | Integrated Type | Explosive Proof Integrated Type | Battery Powered Type | Heat Energy Type |
| Accuracy | ±0.2% or ±0.5% |
| Pipeline Diameter | DN10-DN2000 | DN10-DN600 | DN25-DN2000 |
| Flange | GB, ANSI, JIS, BS, Others |
| Pressure | DN10-DN600 1.0 1.6 2.5 4.0MPa |
| DN700-DN2000 0.6 1.0 1.6MPa |
| Liner Material | CR, PTFE, PU, Hard Rubber, PFA, FEP(F46) |
| Conductivity | ≥5µs/cm(Please contact us if it is less than 5µs/cm) |
| Electrode | 316L SS, Hb, Ta, Ti, Hc, Tungsten Carbide, Others |
| Protection Class | IP65, IP66, IP67, IP68 |
| Medium Temperature | -25~180℃
(Please refer to liner material) | -25~80℃(Please refer to liner material) | -25~180℃
(Please refer to liner material) |
| Ambient Temperature for Accuracy Influence | <±0.1%/10℃ or <±0.25%/10℃ at the ambient temperature of -25~60℃ |
| Repetability | ≤±0.1% or ±0.25% |
| Analog Output Error | ≤±0.02mA |
| Velocity | 0.3~10m/s |
| Electrical connection | M20x1.5 Seal Cartridge, GB1/2, NPT1/2 |
| Output | 4-20mA, Pulse, RS485, Hart, Profibus |
4. Dimensional Sketches
a. Dimension of Converter
Divided Type
Integrated Type
Battery Powered Type
b. Dimension of Sensor
| Pipeline Diameter | Dimension |
| L | W | H |
| 15 | 160 | 95 | 130 |
| 20 | 160 | 105 | 137 |
| 25 | 160 | 115 | 150 |
| 32 | 160 | 135 | 160 |
| 40 | 200 | 145 | 175 |
| 50 | 200 | 160 | 185 |
| 65 | 200 | 180 | 205 |
| 80 | 200 | 195 | 215 |
| 100 | 250 | 215 | 235 |
| 125 | 250 | 245 | 275 |
| 150 | 300 | 280 | 300 |
| 200 | 350 | 335 | 355 |
| 250 | 400 | 400 | 405 |
| 300 | 500 | 455 | 460 |
| 350 | 500 | 515 | 520 |
| 400 | 600 | 575 | 580 |
| 450 | 600 | 635 | 630 |
| 500 | 600 | 710 | 685 |
| 600 | 600 | 835 | 795 |
| 700 | 700 | 905 | 910 |
| 800 | 800 | 1020 | 1030 |
| 900 | 900 | 1120 | 1120 |
| 1000 | 1000 | 1245 | 1250 |
| 1200 | 1200 | 1465 | 1470 |
5. Configuration
| MLF Series Electromagnetic Flow Meter Configuration |
| Model | MLF |
| Sensor Installation | S | Flange Type Sensor |
| C | Insertion Type Sensor |
| O | Others |
| Pipeline Diameter | 10 | 10mm |
| 15 | 15mm |
| 20 | 20mm |
| ...... | |
| 2000 | 2000mm |
| Electrode Installation | F | Standard Fixed Type |
| Electrode Material | A | 316L SS |
| B | Hb |
| C | Ta |
| D | Ti |
| E | Hc |
| F | Tungsten Carbide |
| G | Others |
| Liner Material | R | Rubber |
| P | PTFE |
| O | Others |
| Pipe Material | B | 304 SS (Standard) |
| C | 316 SS |
| Flange Type | G | GB (Standard) |
| A | ANSI |
| J | JIS |
| B | BS |
| O | Others | |
| Flange Material | A | 304 SS |
| B | 316 SS |
| C | #20 Carbon Steel (Standard) |
| Cover Material | D | 304 SS |
| E | 316 SS |
| F | Carbon Steel+ Epoxy Metallic Paint (Standard) |
| Matching Flange | 0 | Without Matching Flange (Standard) |
| 1 | With Matching Flange |
| Ground Ring | 0 | Without Ground Ring (Standard) |
| 1 | With Ground Ring |
| Rated Pressure | 10 | 1.0MPa |
| 16 | 1.6MPa |
| 25 | 2.5MPa | |
| 40 | 4.0MPa |
| Working Temperature | E | ≤60℃ |
| H | ≤180℃(Divided Type) |
| Type | I | Integrated Type |
| D | Divided Type |
| Output | P | Pulse |
| A | 4-20mA |
| G | RS485 |
| H | Hart |
| Q | Others |
| Power Supply | 0 | 220VAC |
| 1 | 24VDC |
| 2 | Battery-powered |
| Protection Class | 0 | IP65 (Integrated/Divided Type) |
| 1 | IP67 (Divided Type) |
| 2 | IP68 (Divided Type) |
| Other Features | R | Heat Energy Function |
| P | With PT1000 |
| B | Without PT1000 |
| Explosion Proof | 0 | None |
| EX | Explosive Proof |
6. Instrument Testing & Maintenance
The electromagnetic Flowmeter has the function of self-diagnosis.In addition to power supply and hardware circuit failures, the system also gives an alarm to other faults in general use.These messages are prompted in the lower right corner of the screen.
1 maintenance and repair.
A) the sensor installation site should meet the requirements of Section 4, please keep the shell clean and tidy.
B) the transmitter should be placed in a clean, ventilated and dry place.
C) it needs to be checked every two years, and for high-precision users, the instrument needs to be submitted for review.
2 Transportation and storage.
A) the equipment must be packed before transportation and handled carefully during loading and unloading.
B) the storage place must be dry and ventilated to avoid the erosion of corrosive gases and the ambient temperature should not be too low or too high.
C) the storage time should not exceed three years.
3. Out-of-the-box inspection.
A) the package cannot be opened with a heavy hammer, be careful not to damage the instrument.
B) carefully check the contents according to the packing list.
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Battery Operated DN100 IP65 Electromagnetic Flow Meter Images
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