SPLT submersible static pressure liquid level gauge adopts advanced circuit processing and temperature compensation technology to convert the liquid level measurement value into a standard DC signal output of 4~20mA. The product has strong anti-interference ability, small temperature drift, high stability, high measurement accuracy and tightness. According to different measuring media, ordinary type or anti-corrosion type can be selected.

Applicable environment
■ Level measurement in containers and storage systems
■ Sewage and flood drainage system monitoring
■ Water level monitoring of ship ballast water tank
■ Water level measurement of rivers and lakes
■ Deep well and groundwater monitoring
■ Water level monitoring of factory pools

Working principle
The pressure that the sensor is put into the liquid is calculated as P=ρgh+P0
P: The pressure on the sensor at the point to be measured
ρ: medium density
g: local gravity acceleration
h: the height of the measured point from the liquid surface
P0: Atmospheric pressure on liquid level

Technical Parameters
Performance

Accuracy	0.2%
Measuring range	1~100mH2O
Effect of ambient temperature	≤ ±0.2%F.S/10℃
Temperature drift	0~50℃
Long term stability	≤ ±0.2%/URL (1 year)
Response time	0.25s
Effect of power supply	≤ ±0.005%/URL/V
Overload capacity	150%F.S.~200%F.S.

Applicable working conditions

Working temperature	(-20~80)℃
Ambient/storage temperature	(-40~85)℃
Application/storage humidity	≤ 95%RH

Overal dimension of probe

Normal type

Anti-corrosion type