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Flow sensors

Flow switch Flow meter for water Hygienic flow meter for milk and food Industry application Flow meter for Diesel, LPG & Gases Flow meter for compressed air Non contract flow meter

Electronic flow switch FS230

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Principles characteristics

FM230 electromagnetic flowmeter is a main flow meter, composed of two parts of the sensor and the converter, based on Faraday's law of electromagnetic induction work, used to measure conductive liquid or two-phase medium, requiring its conductivity should generally be greater than 25μs/cm(tap water original conductivity of about 25μs/cm), It can be used to measure various acids, alkalis, salt solutions, pulp, pulp and other media, but the media can not contain more ferromagnetic substances and a large number of bubbles.

Product application

Widely used in petroleum, chemical industry, metallurgy, textile, paper, environmental protection, food and other industrial departments and municipal management, water conservancy construction and other fields of fluid measurement.

  • The measurement is not affected by changes in fluid density, viscosity, temperature, pressure and conductivity
  • There are no obstructing parts in the measuring tube, no pressure loss, and low requirements in the straight pipe section
  • The sensor can be equipped with a ground electrode to achieve good grounding of the instrument
  • With positive/reverse two-way flow measurement function
  • The LCD backlight display allows easy reading in direct sunlight or in a dark room
  • Converter displays volume flow percentage, actual flow and cumulative flow at the same time
  • Mounted on the pipe with a standard (type) ≤90° rotating display improves the visibility of a single type flowmeter
  • The converter has the functions of self-diagnosis alarm output, empty load detection alarm output, flow upper and lower limit alarm output, two-stage flow value output

Technical parameters

  • Measuring caliber: DN10mm-DN3000mm
  • Measuring medium: Conducting liquid, slurry
  • Dielectric conductivity:
    • Conventional type ≥25μs/cm
    • Low conductivity type >5μs/cm
  • Measuring accuracy:
    • ±0.5% of the indicated value,
    • ±0.3% ±0.2% of the optional indicated value
  • Measuring range: 150:1 Flow rate setting: 0.1 ~ <15m/s
  • Structure form: One body type, divided body type
  • Electrode material: Stainless steel 316L, platinum-iridium, Hastelloy, tantalum, titanium
  • Electrical connection: M20x1.5 (standard nylon waterproof connector), optional explosion-proof metal connector
  • Power supply mode: 220VAC/24VDC
  • Running power consumption: ≤15VA
  • Lining material: Polyfluoroethylene propylene (FEP), polyurethane rubber
  • Shell material:
    • Carbon steel (standard),
    • stainless steel (non-standard custom)
  • Medium temperature: -40°C ~ +180°C (Limited by the temperature resistance characteristics of the lining material)
  • Ambient temperature: -25°C ~ +60°C
  • Environmental humidity: 5 ~ 100%RH (relative humidity)
  • Shell protection grade: Integrated (IP65), Split (IP65/IP68)

Electrical connection

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identification implication
RS485+ Communication (485-A)
RS485- Communication (485-B)
POUT+ Pulse/frequency output is positive
POUT- Pulse/frequency output area
4-20mA+ Current output positive
4-20mA- Where the current is delivered
DOUT+ Alarm output positive
DOUT- Alarm delivery point
N 220VAC (24VDC) power input
L 220VAC (24VDC) power input

Grounding Mode

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Size drawing(mm)

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Nominal diameter (mm) Nominal pressure (MPa) Overall dimension (mm) Reference weight (kg)
Meter length (including lining) D H
6 4.0 200 90 220 6
10 4.0 200 90 220 6
15 4.0 200 95 220 8
20 4.0 200 105 220 10
25 4.0 200 115 223 12
32 4.0 200 140 240 13
40 4.0 200 150 250 14
50 200 165 263 15
65 200 185 283 18
80 200 200 290 20
100 1.6 250 235 318 25
125 1.6 250 270 350 28
150 1.6 300 300 380 30
200 350 340 430 50
250 450 405 495 70
300 500 460 547 95
350 550 520 602 120
400 600 580 665 140
450 1.0 600 640 720 160
500 1.0 600 715 783 200
600 1.0 600 840 897 280
700 700 895 982 350
800 800 1015 1092 400
900 900 1115 1192 480
1000 1000 1230 1299 550
1200 1200 1405 1488 660
1400 1400 1630 1700 750
1600 0.6 1600 1830 1924 850
1800 0.6 1800 2045 2134 980
2000 0.6 2000 2265 2344 1200
2200 2200 2475 2549 1600
2400 2400 2685 2754 2000
2600 2600 2905 2964 2400
2800 2800 2905 3169 2700
3000 3000 3315 3369 2900

Size drawing(mm)

Connection flange and mounting dimensions
Connection flange implementatiion standard: 4.0MPa(DN6mm~DN50mm) GB/T9119-2000
1.6MPa(DN65mm~DN250mm) JB/T81-94
1.0MPa(DN300mm~DN51000mm) JB/T81-94
0.6MPa(DN1200mm~DN3000mm) JB/T81-94

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Nominal pressure (MPa) Nominal diameter (mm) D K diameter ($\phi$) n c
4.0 6 90 60 14 4 14
10 90 60 14 4 14
15 95 65 14 4 16
20 105 75 14 4 16
25 115 85 14 4 16
32 135 100 18 4 18
40 145 110 18 4 18
1.6 50 160 125 18 4 20
65 180 145 18 4 24
80 195 160 18 8 24
100 215 180 18 8 26
125 245 210 18 8 28
150 280 240 23 8 28
200 335 295 23 12 30
250 405 355 25 12 32
1.0 300 440 400 23 12 28
350 500 460 23 16 28
400 565 515 25 16 30
450 615 565 25 20 30
500 670 620 25 20 32
600 780 725 30 20 36
700 895 840 30 24 36
800 1010 950 34 24 38
0.6 900 1110 1050 34 28 42
1000 1220 1160 34 28 44
1200 1400 1340 32 32 32
1400 1630 1560 36 32 32
1600 1830 1760 36 40 34
1800 2045 1970 39 44 36
2000 2265 2180 42 48 38
2200 2475 2390 42 52 42
2400 2685 2600 42 56 44
2600 2905 2810 48 60 46
2800 3115 3020 48 64 48
3000 3315 3220 48 68 50

Unit:m3/h

caliber(DN) 1.0 level 0.5 level 1.0 level
0.3m/s 0.6m/s 1m/s 6m/s 10m/s
10 0.085 0.17 0.28 1.7 2.8
15 0.19 0.38 0.64 3.8 6.4
20 0.34 0.68 1.13 6.8 11.3
25 0.53 1.06 1.76 10.6 17.6
32 0.87 1.74 2.9 17.4 29
40 1.36 2.71 4.52 27.1 45.2
50 2.12 4.24 7.07 42.4 70.7
65 3.58 7.17 11.95 71.7 119.5
80 5.43 10.86 18.1 108.6 181
100 8.48 16.96 28.27 169.6 282.7
125 13.25 26.5 44.18 265 441.8
150 19.09 38.17 63.62 381.7 636.2
200 33.93 67.86 113.1 678.6 1131
250 53.01 106.03 176.71 1060.3 1767.1
300 76.34 152.68 254.47 1526.8 2544.7
350 103.9 207.82 346.36 2078.2 3463.6
400 135.72 271.43 452.39 2714.3 4523.9
450 171.77 343.53 572.56 3435.3 5725.6
500 212.06 424.12 706.86 4241.2 7068.6

Selection List

FM230 Series Electromagnetic Flow Sensor Model Code
FM230 050 S CR L 040 L 0 0 AC 5 - - expatiate (Description)
FM230 FM230 series electromagnetic flow sensor
050 DN10—DN1000
S Electrode material: **stainless steel**
HB Electrode material: **Hastelloy B**
HC Electrode material: **Hastelloy C**
Pt Electrode material: **platinum**
Ti Electrode material: **titanium**
Ta Electrode material: **tantalum**
CR Lining material: **Neoprene rubber (CR)**
PU Lining material: **Polyurethane rubber (PU)**
PT Lining material: **PTFE**
FE Lining material: **polyperfluorinated ethylene propylene**
L Shell material: **carbon steel**
S Case material: **stainless steel**
040 **4.0MPa** Applicable caliber: DN10-50
016 **1.6MPa** Applicable caliber: DN10-150
010 **1.0MPa** Applicable caliber: DN65-1000
006 **0.6MPa** Applicable diameter: DN1100-2000
0025 **0.25MPa** Applicable caliber: DN2200
L Operating temperature: **<= 70C**
H Operating temperature: **<= 120C**
0 **no** RS485 communication interface
1 **RS485 communication interface**
AC **220VAC** power supply
DC **24VDC** power supply
5 Protection class: **IP65**
8 Protection level: **IP68**
- Converter type: **all-in-one**
F Converter type: **Split type**
1 Install matching flanges: **None**
1 Install matching flanges: **Yes**
no Standard ground ring: **no**
T Standard ground ring: **T**
- Conventional type: **dielectric conductivity >= 25$\mu$s/cm**
D Low conductivity type: **dielectric conductivity >= 5$\mu$s/cm**

Installation

Straight pipe length requirements

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Recommended installation location

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Easy to clean pipe connections

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If the pipeline to be cleaned cannot be stopped, the side channel must be installed. To keep the system running while the equipment is being cleaned.