Slurry Electromagnetic Flow Meter for Abrasive & High-Solid Applications

Introduction Features Specifications Model Selection Application Dimension

Introduction

Electromagnetic flow meter is one of the most popular flow meters. Flange type electromagnetic flow meter has been used for more than 50 years worldwide. It is widely used for all conductive liquids in every industry, such as water, acid, alkali, milk, slurry etc.

The main advantages of using electromagnetic flow meter is that it is with no moving parts, no pressure loss and require very less maintenance.
Flange type magnetic flow meter can be made large size range from DN3-DN3000mm and with bi-directional flow measurement. Aister's electromagnetic flow meters are with built-in self-diagnosis function and support data record / bluetooth function and various kinds of output signals.

Compared with other liquid type flow meter, the limitations of magnetic flow meter is that it can only be used for conductive liquid.Regarding non or low conductive liquid such as petroleum products, organic solvents can not be used. Electromagnetic flow meter will be affected if there's strong magnetic filed in the surrounding environment.

Features

1.Special design grouting converter: Special converter can eliminate interference between the sharp wave noise generated by solid particles.

2.Medium concentration: the concentration of slurry can reach 55%, and the variation range is usually less than 5%.

3.Excitation method: square wave excitation (4 kinds of square waves) improves flow measurement stability.

4.Excitation Frequency: 25 Hz/30 Hz excitation frequency for choose. High excitation frequency has high anti-interference ability, ensures accurate measurement of viscous medium.

5.LCD backlight display: instantaneous flow, total flow, flow velocity, percentage flow, etc.

Specifications

Performance	Technical parameter
Size	DN3-DN3000mm(1/8"-120" )
Accuracy	±0.5% of reading at flow velocity ≥ 0.5m/s
Velocity	0.1~15 m/s
Repeatability	≤0.17%
Excitation current	125 mA, 187 mA, 250 mA
Excitation Frequency	25 Hz/30 Hz
Structure	Compact / remote, cable length 10m standard, 100m max
Conductivity	> 5 μS/cm, demineralized water > 20 µS/cm
Protection Grade	Transmitter: IP65 standard, IP67 optional
	Sensor: IP65 standard, IP68 (submersible, only available for remote type)
Electrode	SS316L, Hastelloy C, Hastelloy B, Titanium,Tantalum, Platinum-iridium
Power Supply	85~250 VAC (50/60 Hz), 20~36 VDC
Power Consumption	<20W
Signal Output	Analog	4~20mA ( load resistor 0~750Ω)
	Frequency	Forward & reverse flow output with a frequency range of 1~5000Hz
	Alarm	Two isolated open collector transistor (OCT) outputs for alarm signals
Communication	RS485 MODBUS standard, HART, GPRS, PROFIBUS optional
Display	LCD Display,128X128mm,three lines, 4 buttons
Ambient Temperature	-20℃~60℃
Fluid Temperature	Compact: -20℃~80℃, Remote: -20℃~120℃
Liner Material	PTFE (-20℃~150℃, DN15-DN1600)
	FEP (-20℃~120℃, DN15-DN1800)
	PFA (-20℃~160℃, DN15-DN800)
	Polyurethane (-10℃~60℃, DN40-DN1600)
	Neoprene (-10℃~80℃, DN40-DN3000)
	Hard Rubber （-10℃~80℃, DN 40-DN3000）
	Ceramic (-20℃~180℃, DN15-DN200)
Sensor Material	Measuring tube: SS304
	Flange & housing: carbon steel (standard), SS304 / SS316 optional
Size	Aluminium alloy with epoxy painting
Transmitter Material	Flange	DIN PN10 / PN16 / PN25 / Pn40 JIS 10K / 20K / 30 K ANSI 150# / 300# / 600#
	Insertion, tri-clamp wafer, thread	PN16
Display	Instantaneous flow, total flow, flow velocity
Function	High and low alarm, empty pipe alarm, exciting alarm,self-diagnosis
Totalizer	Three built-in totalizers: forward flow, reverse flow and net flow
Display Unit	L/s, L/m, L/h, m3/s, m3/m, m3/h, UKG, USG, gal/s, gal/m, gal/h, kg/s, kg/m, kg/h, t/s, t/m, t/h
Language	English, Chinese

Model Selection

01 Caliber

02 Nominal Pressure

03 Connection Mode

04 Liner Material

05 Electrode Material

06 Structure Type

07 Power

08 Output communication

09 Converter Figure

Application

Industrial process

Energy measurement

Environmental protection engineering

Transportation

Biotechnology

Scientific experiment

Marine meteorology

Rivers and lakes

Dimension

Diameter		Flange	Pressure	H(mm)	L(mm)	φA(mm)	φB(mm)	φh(mm)	N(mm)
mm	Inch	Flange	Pressure	H(mm)	L(mm)	φA(mm)	φB(mm)	φh(mm)	N(mm)
DN15	1/2"	ANSI	150#	343	200	88.9	60.45	4	15.7
DN20	3/4"	ANSI	150#	348	200	98.6	69.85	4	15.7
DN25	1"	ANSI	150#	353	200	108	79.25	4	15.7
DN32	1¼"	ANSI	150#	358	200	117.3	88.9	4	15.7
DN40	1½"	ANSI	150#	368	200	127	98.6	4	15.7
DN50	2"	ANSI	150#	388	200	152.4	120.7	4	19.1
DN65	2½"	ANSI	150#	408	200	177.8	139.7	4	19.1
DN80	3"	ANSI	150#	423	200	190.5	152.4	4	19.1
DN100	4"	ANSI	150#	451	250	228.6	190.5	8	19.1
DN125	5"	ANSI	150#	474	250	254	215.9	8	22.4
DN150	6"	ANSI	150#	502	300	279.4	241.3	8	22.4
DN200	8"	ANSI	150#	563	350	342.9	298.5	8	22.4
DN250	10"	ANSI	150#	638	450	406.4	362	12	25.4
DN300	12"	ANSI	150#	701	500	482.6	431.8	12	25.4
DN350	14"	ANSI	150#	753	550	533.4	476.3	12	28.4
DN400	16"	ANSI	150#	809	600	596.9	539.8	16	28.4
DN450	18"	ANSI	150#	855	600	635	577.9	16	31.75
DN500	20"	ANSI	150#	912	600	698.5	635	20	31.75
DN600	24"	ANSI	150#	1024	600	812.8	749.3	20	35.1

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