EMF89 Electromagnetic flowmeter

It utilizes advanced manufacturing techniques to ensure sensor quality, while the converter employs a dedicated high-speed CPU and advanced signal processing technology for stable performance, high reliability, and precision. The measuring range spans from 0.1 m/s to 12 m/s. The sensor offers various electrode materials and lining options, with integrated, split, sanitary, insertion, and slurry-specific models available to suit diverse operating conditions.


Product Description

· Capable of measuring minimal flow rates as low as 2L/h

· Supports GPRS and Bluetooth wireless transmission

· Measures both forward and reverse flow directions

· No obstructions, no pressure loss, and resistant to clogging

· Compatible with RS485, HART, APL, and other communication protocols

· Multiple power supply options: 220VAC or 24VDC

· Adjustable display angle options: 0°, ±90°, 180°

· Intelligent self-diagnostics based on NAMUR NE107 standards

· Bluetooth and infrared remote control for operation without opening the device cover

· Instrument coefficient nonlinearity correction and online parameter modification

· Stainless steel mesh lining for use under negative pressure conditions

· Stable performance, excellent repeatability, and high accuracy (up to 0.2%)

· Suitable for highly corrosive and abrasive media

· Can measure any conductive liquid with conductivity greater than 2μS/cm

· Interchangeable converters without requiring recalibration

· L-shaped converter with dual-chamber design, ideal for chemical and food industries

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Display4-line English LCD display,display the data of forward and reverse flow,percentage of flow and
flow velocity.
Parameter SettingSetting the parameters with the button,ultrared remote control and Bluetooth(smart phone)
LanguageChinese,English
Current Output4~20mA.Loop resistance ≤5000(can choose with HART protocol)
PIOCan choose passive pulse output,active pulse output,state output/alarm output and contact
signal  input.
Passive pulse output:30V DC(off),200mA(on),(0.0001~5000)Hz;
Pulse width:50%duty cycle or the fixed value(≤100ms)
Active pulse output:(0.0001~2)Hz,≤150mA,15VDC±20%
Pulse width:≤100ms(The default value:20ms)
State/Alarm output:contact capacity:30V DC(off),200mA(on)
Contact Input:Passive contact,Load resistance:closed ≤2000,disconnected ≥100kQ
CommunicationRS485(MODBUS-RTU,MODBUS-ASCII)
Power Supply220VAC,24VDC,(100~240)VAC
AlarmEmpty pipe alarm,reverse alarm,upper limit and lower limit alarm.
Protection LevelIP67,IP65
Accuracy0.5,0.3
Explosion-proof ClassExia/d ell CT3-T6 Ga/Gb
StructureIntegrated Type,Split Type


TECHNICAL PARAMETERS

Parameter Integrated Type Split Type
Measuring Range≤15m/s,resolution 0.5mm/s
CaliberDN(10~2000)
Accuracy Level0.3%,0.5%,1.0%
Repeatability0.1%,0.17%,0.33%
Lining MaterialChloroprene rubber,polyurethane rubber,PTFE,PFA,FEP,Silicone fluororubber,

ceramics
Electrode Material316L,Hastelloy(HB,HC),tantalum (Ta),titanium (Ti),tungsten carbide (WC),platinum
(Pt),ceramics
GroundingGrounding electrode or ring
Connection ModeFlange connection,clamping,hygienic type,plug-in type
Flange ConnectionApplicable standards:GB,HG,JB,ANSI,DIN,JIS
Pressure Rating4.0Mpa,2.5MPa,1.6Mpa,1.0MPa,0.6MPa,other pressure levels can becustomized
MediumConductive liquid
Medium Conductivity≥5μS /cm
Protection LevelIP65,IP67,IP68(Without converter)
Exciting MethodTristate wave excitation
Excitation Current125mA,187.5mA,250mA
Excitation FrequencyMode 2(1/16 power frequency),mode 3(1/20 power frequency),mode 4(1/25 power
frequency),mode 1,5,6 reserve
Measurement DirectionPositive and negative directions
Output SignalCurrent,pulse,frequency,batch,upper and lower limit alarm
CommunicationModbus,HART
Electrical InterfaceM20x1.5
AlarmEmpty pipe alarm,excitation alarm,upper limit alarm and lower limit alarm
Power Supply Mode220V,AC(85~265)V;24V,DC(20~36)V;power≤20W
KeypadFilm button,optional photosensitive button
Display LanguageChinese and English
Ambient Temperature(-25~60)℃                                                                       (-40~60)℃,converter temperature (-25~60)℃
Ambient Humidity(5~90)%
Storage Temperature(-40~60)℃
Explosion Proof SignExdibmb IIB T4 Gb
Product Execution StandardJB/T9248-2015