Level Controllers

Level controllers are automated units for measuring the level of fluid in a contained area. They're used in systems that prevent liquid levels becoming excessively high or low.  


How do level controllers work?

Firstly, a sensor detects the fluid level in either a container or a natural setting, such as a lake. It then sends a signal – normally either pneumatic or electrical – to a control valve, solenoid, or other external control device. If the fluid level needs to be adjusted, the control valve will open or close according to the information it has received.


Types of level controllers

The two main types of level controllers are pneumatic and electric. Your choice of controller will depend on factors such as the type and density of fluid being measured, as well as the pressure of the container.

  • Pneumatic level controllers are preferred when the material is hazardous, or electricity is unavailable. 
  • Electric level controllers are useful in pressurised tanks and are generally very accurate and reliable. 

Level controllers measure either exact volumes or when fluid drops above or below a fixed point.



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Description Price Number of Inputs Mounting Style Probe Voltage Supply Voltage Overall Length Overall Width Overall Depth Response Time Minimum Operating Temperature Maximum Operating Temperature Current Rating Hazardous Area Certification IP Rating Input Type
RS庫存編號 889-1532
製造零件編號LI55-1011
BrandFlowline
TWD22,900.00
單位
- - - 85 → 265 V ac - - - - -40°C +60°C 3 A - - -
RS庫存編號 124-0114
製造零件編號LI40-1001
BrandFlowline
TWD7,470.00
單位
1 Panel Mount - - 85.5mm 78.6mm 17mm - -20°C +60°C - - IP65 Sensor
RS庫存編號 889-1545
製造零件編號LI55-1211
BrandFlowline
TWD27,522.00
單位
1 DIN Rail Mount, Panel Mount - 85 → 265 V ac 119mm 62mm 136mm - -40°C +65°C 3 A - IP65 Sensor
RS庫存編號 889-1536
製造零件編號LI55-1201
BrandFlowline
TWD22,998.00
單位
1 DIN Rail Mount, Panel Mount - 85 → 265 V ac 119mm 62mm 136mm - -40°C +65°C 3 A - IP65 Sensor
RS庫存編號 889-1576
製造零件編號LI90-1001
BrandFlowline
TWD37,514.00
單位
4 DIN Rail Mount, Panel Mount - 10 → 30 V dc 96mm 96mm - - 0°C +50°C 3 A - IP65 Sensor
RS庫存編號 889-1548
製造零件編號LI55-1401
BrandFlowline
TWD26,957.00
單位
1 DIN Rail Mount, Panel Mount - 85 → 265 V ac 119mm 62mm 136mm - -40°C +65°C 3 A - IP65 Sensor