Piezomagnetic Sensor Magnetostrictive Level Transmitter
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Piezomagnetic Sensor Magnetostrictive Level Transmitter

The MG8800 magnetostrivtive level/interface transmitter is a high-accuracy, high-reliability level/interface measuring instrument. It solves the technical problems of dielectric constant, negative pressure, bubbles, pressure, temperature, and gas phase composition changes on liquid level/interface measurement under harsh working conditions.
Magnetostrictive technology has the advantages of high measurement accuracy, high reliability, maintenance-free, and long service life. It can reliably replace and supplement the defects and deficiencies of electric float level transmitter, differential pressure level transmitter, radar level transmitter, and other instruments in use. It is widely used in petroleum, chemical, electric power, metallurgy, food, papermaking, machinery, and other industrial fields for continuous measurement of liquid level/interface of open or pressurized vessels.
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  • MG8800 Series

Product Features

● Piezomagnetic sensor, a piezomagnetic sensor with a long magnetic distance of >45mm;

● High accuracy, the highest resolution is 0.2mm;

● Specially designed automatic gain control and liquid level following function to process signals to solve the data jumping caused by liquid level fluctuations or interference;

● Built-in on-board oscilloscope function for intelligent diagnosis;

● LCD screen, displaying histogram, current value, engineering unit, percentage value simultaneously;

● Measuring liquid level and interface, integrating remote transmission and local indication;

● Simple calibration, key operation, and calibration only once, no need to adjust repeatedly;

● The data is automatically read and stored when replacing the circuit module, and calibration is not required;

● Double-chamber explosion-proof isolation, safe and convenient operation;

● The wetted parts are acid-resistant, alkali-resistant, and PTFE-lined materials, which are suitable for strong acid and strong alkali corrosive media;

● Replace the traditional torsion tube electric float level gauge and differential pressure level gauge.


Technical Specifications



General Specifcation
Product

MG8800T Top-Mounted Magnetostrictive Level/Interface Transmitter

MG8800L Side-Mounted Bundle Magnetostrictive Level/Interface Transmitter

MG8800B Buoy Level/Interface Transmitter

MG8800C Top-Mounted Bundle Magnetostrictive Level/Interface Transmitter

MG8800D Double Chamber Magnetostrictive Level/Interface Transmitter

MG8800M Muti-Parameter Magnetostrictive Level/Interface Transmitter

Measurement ParametersLiquid Level, Interface
Case MaterialHigh pressure cast aluminum or stainless steel
Media Density

Liquid Level 450~1350Kg/m³

Poor Interface 120~890Kg/m³, Other density need to inquiry factories

Media Viscosity≤0.4Pa·S

Cable Entry

1/2"NPT or M20×1.5
Materials316LSST, 304SST, 316SST, Titanium, 304LSST, Tantalum, Zirconium 702 Alloy, HastelloyC-276 Alloy, 600 Alloy, 400 Alloy, 201 Nickel, 20 Alloy, HastelloyC-22 Alloy, 2507 Biphasic SST, anticorrosive equipment lined with teflon
Case StructionDual-Chamber
Electronic
Input Voltage13.5~30VDC, Protection Against Reverse Polarity
Output SignalTwo-Wire System    4~20mADC, HART, FF
Fault SignalHigh Alarm 21mA, Low Alarm 3.6mA
Damping0.2~30 Seconds
Lightning Protection  DeviceContent EN61000-4-4 (GB/T17626.4) Severe level 4 and EN61000-4-5 (GB/T17626.2) Severe level 4
Environment
Process Temp.

MG8800T -320~300℉ (-196~149℃)

MG8800L -320~1000℉ (-196~538℃)

MG8800B -320~1000℉ (-196~538℃)

MG8800C -320~851℉ (-196~455℃)

MG8800D -320~1000℉ (-196~538℃)

MG8800M -320~300℉ (-196~149℃)

Environment Temp.-40~176℉(-40~80℃)
Storage Temp.-40~176℉(-40~80℃)
Humidity0~100% relative humidity
Pressure
Process Press.

MG8800T 0~100bar (0~10MPa)

MG8800L 0~420bar (0~42MPa)

MG8800B 0~420bar (0~42MPa)

MG8800C 0~25bar (0~2.5MPa)

MG8800D 0~420bar (0~42MPa)

MG8800M 0~100bar (0~10MPa)

Measurement Performance
Measurement Accuracy± 0.01%
Affected by the ambient temperature, the error caused by each change of 1℃ is less than 0.01% of the measured distance. The refresh interval is once per second
Indicator/Field Indicate
Process DisplayDisplay 4~20mA, Percentage, Construction Signal, Temperature Signal
Output Unitft, in, m, cm, mm
Field IndicateFlip Indicator (MG8800T, MG8800M, MG8800B No Indicate)
Probe
Probe Length

MG8800T Outer Diameter 16mm, Probe Length 35"~236" (900~6000mm);  Soft Cable Probe Length 35"~787" (900~20000mm)

MG8800L Outer Diameter 16mm, Probe Length 35"~236" (900~6000mm)

MG8800B Outer Diameter 16mm, Probe Length 35"~236" (900~6000mm)

MG8800C Outer Diameter 16mm, Probe Length 35"~137" (900~3500mm)

MG8800D Outer Diameter 16mm, Probe Length 35"~236" (900~6000mm)

MG8800M Outer Diameter 24mm, Probe Length 35"~236" (900~6000mm)

Explosion-Proof Certification
FMFactory Mutual (FM) Approvals
CEX Explosion proof
CEIInstinsically Safe Explosion Proof
CSACanadian Standards Association Certification
IEIIS International Electromechanical Committee
GRGOST Certification
SILSIL Certification
Machanical
Wetted Body Material316LSST, 304SST, PTFE, 316SST, Titanium, HastelloyC-276 Alloy, Monel Alloy, Graphite materialetc.
ThreadThreaded Connection 3/4"NPT Adjustable Compressing Threads
Ingress Protection

IP67/IP68

ElectromagneticIf the probe is installed in a metal container or guide tube, it complies with EN 61326-1 (1997), a revised clause  dedicated to Operational Premises for Class A1A equipment


Product Application

The following are the application scenarios of MG8800 magnetostrivtive level/interface transmitter

● Chemical and Petroleum Industries

● Oil & Gas Industry

● Pulp and Paper Industry

● Pharmaceutical Factories

● Food & Beverage Industry

● Water Treatment and Sewage Treatment

● Electric Power Industry

● Machinery and Metallurgical Industry


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+86-183-8100-2380
chunhua.zhang@mega-tek.cn
hemin@mega-tek.cn
No.618, Kelin West Road, Wenjiang District,
Chengdu, Sichuan Province, China

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