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. 111-3527
Mfr. Part No.K7L-AT50B
BrandOmron
TWD7,438.00
Each
units
1 DIN Rail Mount - 12 → 24 V dc 12.8mm 46mm 28.8mm - -10°C +55°C - - - -
RS Stock No. 510-9297
Mfr. Part No.61F-GPN-BC 24VDC
BrandOmron
TWD4,509.00
Each
units
- DIN Rail Mount 5V ac 24 V dc 84mm 38mm 49.4mm - -10°C +55°C - - - -
RS Stock No. 510-9304
Mfr. Part No.61F-GPN-BT 24VDC
BrandOmron
TWD4,514.00
Each
units
- DIN Rail Mount 5V ac 24 V dc 84mm 38mm 49.4mm - -10°C +55°C - - - -
RS Stock No. 818-4272
Mfr. Part No.61FGPN2230AC
BrandOmron
TWD2,974.00
Each
units
1 DIN Rail Mount 8V ac 230 V ac 49.4mm 38mm 80mm - -10°C +55°C - - - -
RS Stock No. 303-0414
Mfr. Part No.61FGPN8230AC
BrandOmron
TWD2,884.00
Each
units
1 DIN Rail Mount 8V ac 230 V ac 84mm 38mm 49.4mm - -10°C +55°C - - - -
RS Stock No. 818-4276
Mfr. Part No.61FGPN224ACCE
BrandOmron
TWD2,974.00
Each
units
1 DIN Rail Mount 8V ac 24 V ac 49.4mm 38mm 80mm - -10°C +55°C - - - -
RS Stock No. 144-0874
Mfr. Part No.K7L-AT50DPB
BrandOmron
TWD12,804.00
Each
units
1 Plug-In 24V dc 12 → 24 V dc 12.8mm 28.8mm 46mm - -10°C +55°C - - - Voltage
RS Stock No. 303-0391
Mfr. Part No.61FGPN8110AC
BrandOmron
TWD2,884.00
Each
units
1 DIN Rail Mount 8V ac 110 V ac 84mm 38mm 49.4mm - -10°C +55°C - - - -
RS Stock No. 144-0875
Mfr. Part No.K7L-UDPB
BrandOmron
TWD16,224.00
Each
units
1 Plug-In 24V dc 12 → 24 V dc 12.8mm 28.8mm 46mm - -10°C +55°C - - - Voltage