Melan Measurement & Control Instruments (Shanghai) Co.,Ltd.
| Payment Terms | T/T |
| Supply Ability | 500pcs per month |
| Delivery Time | 7-10 working days |
| Packaging Details | In Carton or Wooden Box |
| Product Name | Electromagnetic Flow Meter |
| Pipeline Diameter | DN15-DN2000 |
| Accuracy | Up to 0.2% |
| Flange | GB/ANSI/JIS/BS/Others |
| Output | Hart, RS485, Profibus, 4-20mA, Frequency, Pulse |
| IP Class | IP65/IP67/IP68 |
| Brand Name | |
| Model Number | MLF |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 500pcs per month |
| Delivery Time | 7-10 working days | Packaging Details | In Carton or Wooden Box |
| Product Name | Electromagnetic Flow Meter | Pipeline Diameter | DN15-DN2000 |
| Accuracy | Up to 0.2% | Flange | GB/ANSI/JIS/BS/Others |
| Output | Hart, RS485, Profibus, 4-20mA, Frequency, Pulse | IP Class | IP65/IP67/IP68 |
| Brand Name | Model Number | MLF | |
| Place of Origin | China | ||
| High Light | mag flow meter ，electronic magnetic flow meter | ||
High Accuracy Electromagnetic Flow Meter Low Conductivity Measurement
1. Introduction
MLF electromagnetic flowmeter is based on Faraday's law of electromagnetic induction and consists of sensors and converters. Used to measure the conductivity of a liquid or solid. Generally, its conductivity should be greater than 5μS/cm (the conductivity of tap water, raw water is about 100~500μS/cm). it can also be used to measure various media such as acid, alkali, brine, pulp or pulp and other medium. But these medium can not contain a large number of magnetic substances and bubbles.
MLF electromagnetic flowmeter is an instrument to measure liquid fluidity. Widely used in metallurgy, chemical, paper, environmental protection, petroleum, textile, food, urban management, water plants and other industries of flow measurement.
2. Features
MLF electromagnetic flowmeter is explosion-proof design.
Function of low conductivity measurement.
There are nine languages(Chinese, English, Korean, Polish, Turkish, French and Portuguese languages) options to meet the needs of different customers.
It has the function of self-regulation and self-examination.
Different outputs are optional: Hart,RS485 Profibus,4-20mA, frequency, 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. Selection of Electrode Materials
| Electrode Material | Main Performance |
| 316L | Good corrosion resistance to nitric acid, less than 5% corrosion of sulfuric acid, acetic acid, alkaline liquid, sulfite, seawater and acetic acid under certain pressure at room temperature, and can be widely used in petrochemical urea, vinylon and so on |
| Hb | Good resistance to hydrochloric acid with concentration lower than boiling point and corrosion of non-oxidizing acid, alkali, sulfuric acid, phosphoric acid, hydrofluoric acid and organic acid. |
| Hc | Corrosion of oxidizing acids, such as nitric acid, mixed acids. A mixture of chromic acid and sulfuric acid, oxidized salts, such as Fe3,Q3, and some other oxidants, such as a mixture of hypochlorite solution and seawater above normal temperature. |
| Ti | Resistance the corrosion of seawater, various chlorides, hypochlorite, oxidizing acid(including fuming nitric acid), and organic acid or alkali, but don't be resistance to the corrosion of pure reducint acid(like sulfuric acid, hydrochloric acid). But if acid includes oxidants(like nitric acid, Fe3+, Q3+), the corrosion resistance will decrease. |
| Ta | Good corrosion resistance similar to glass. Resistance to the corrosion of chemical medium(including hydrochloric acid and fumiing sulfuric acid), but can not be used for sodium hydromide fluid. |
| Pt-Ir | Have good corrosion resistance of all acid, and can be resistance to the corrosion of alkali, all salt except aqua regia, ammonium slat and few other medium |
| Tungsten Carbide | For pulp and sewage, good resistance to solid particle interference. |
5. 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 |
6. 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 | ||||||||||||||||||||||
7. Instrument Detection & Maintenance
Electromagnetic Flowmeter has self-diagnosis function. In addition to power and hardware circuit failures, the system also alarm other faults in general use. The information is prompted in the lower right corner of the screen.
1. Maintenance and repair
a) sensor installation site should meet the requirements of Section 4, please keep the shell clean;
b) transmitters shall be placed in a clean, ventilated, dry place;
c) need to be checked every two years, for high-precision users, the instrument needs to be submitted for review.
2. Transport and storage
a) instruments must be packed before transportation, loading and unloading should be carefully light.
b) storage place must be dry, ventilated, avoid corrosive gas erosion, environmental temperature should not be too low or too high;
c) storage time should not exceed three years.
3. Open-box inspection
a) packing must not be opened with a heavy hammer, be careful not to damage the instrument
b) carefully check the contents according to the packing list.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2019
Total Annual:
$1000000-$2000000
Employee Number:
>50
Ecer Certification：
Site Member
Melan Measurement & Control Instruments is located in Shanghai City. It is a high-tech manufacturer specialized in the design, development, manufacturing and sale of measurement and control instruments. Our products are widely used in various fields, including electricity, chemical ... Melan Measurement & Control Instruments is located in Shanghai City. It is a high-tech manufacturer specialized in the design, development, manufacturing and sale of measurement and control instruments. Our products are widely used in various fields, including electricity, chemical ...
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