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 Stock No. 446-2654
Mfr. Part No.EFLC3 230VAC 50/60HZ
£85.01
Each
Units
2 DIN Rail Mount 8V ac 230 V ac 85mm 70mm 63.5mm - -20°C +60°C - - - -
RS Stock No. 621-1571
£59.28
Each
Units
2 Panel Mount 17V ac 115 V ac, 230 V ac 75mm 48mm 48mm - -20°C +60°C - - - -
RS Stock No. 361-1596
Mfr. Part No.45225 230VAC
£59.28
Each
Units
1 DIN Rail Mount 17V ac 230 V ac 78mm 45mm 99mm - -20°C +60°C - - - -
RS Stock No. 363-4117
Mfr. Part No.B8LCR 110VAC
£50.35
Each
Units
1 DIN Rail Mount 17V ac 110 V ac 92mm 40mm 80mm - -20°C +60°C - - - -
RS Stock No. 361-1603
Mfr. Part No.B8LCR 230VAC
£50.35
Each
Units
1 - 17V ac 230 V ac 92mm 40mm 80mm - -20°C +60°C - - - -