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LG-300 series floating ball continuous liquid level switch
LG-300 series floating ball continuous liquid level switch
Product details

Performance characteristics

LG-300 floating ball continuous level gaugeIt is a voltage divider circuit composed of a magnet inside the float that changes with the liquid level to alter the resistance inside the connecting rod and the magnetic spring switch. The smaller the gap of the magnetic spring switch, the higher the accuracy. The voltage divider signal can be converted into 0-4-20mA or other different standard models through a converter. The indicator can be used in conjunction with other gauges for remote indication, making it a simple and reliable liquid level indicator!

Measurement range: 0-300-6000mm

Comprehensive accuracy: ± 0.1%

Overload pressure: 5 bar

Burst pressure: 10 bar

Output: 4-20mA+Hart communication

Process connection: DN50 flange connection, threaded connection G2

Protection level: IP65 for electrical parts

Sealing: Fluorine rubber


Technical Parameter



Probe length 0-300-6000mm
comprehensive accuracy ±0.1%
repeatability ≤± 0.1% FS/year
display LED on-site display optional

Applicable specific gravity

≥0.75
INPUT VOLTAGE 12-36V DC
output 0-5V、1-5V、0-10V、4-20m、AHart
operation temperature -20℃~130℃
Maximum pressure 5bar
Load resistance RL(Max)=50(Vs-8)
adjustment range

Span Ajustment 20%FS、Zero Ajustment 5%FS

response time <5ms (10...90%FS)
Material of guide rod and floating ball Stainless steel, rubber PP、PVDF、PTFE、PVC
Material of transmitter Die cast aluminum/aluminum alloy
protection grade Electrical part IP65
Electrical connection Direct wiring, 1/2NPT, terminal wiring, M20 * 1.5 screw hole for connecting cable conduit
seal FKM
Installation method G2 thread, DN50 national standard flange
weight Depending on the measurement range



Application field:

The LG-300 floating ball continuous level gauge is suitable for water treatment control equipment, electrical industry, ship hydraulic equipment, hydraulic and hydropower, chemical and petrochemical industry equipment, and hot coal boilers. (Used for measuring liquids with a density ≥ 0.75g/cm ³)






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Successful operation!

Successful operation!

Successful operation!