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. 818-4272
Mfr. Part No.61FGPN2230AC
BrandOmron
R 1,450.48
Each
units
1 DIN Rail Mount 8V ac 230 V ac 49.4mm 38mm 80mm - -10°C +55°C - - - -
RS stock no. 303-0391
Mfr. Part No.61FGPN8110AC
BrandOmron
R 1,495.48
Each
units
1 DIN Rail Mount 8V ac 110 V ac 84mm 38mm 49.4mm - -10°C +55°C - - - -
RS stock no. 768-2075
Mfr. Part No.MET381.CX
BrandVega
R 12,006.22
Each
units
- - - - - - - - -20°C +60°C - ATEX - -
RS stock no. 446-2632
Mfr. Part No.MCU901WX-A
R 16,810.92
Each
units
2 Wall Mount 230/115Vac selectable 15 → 30 V dc, 98 → 132 V ac, 198 → 254 V ac 185mm 213mm 84mm - -40°C +55°C - - - -
RS stock no. 818-4276
Mfr. Part No.61FGPN224ACCE
BrandOmron
R 1,541.55
Each
units
1 DIN Rail Mount 8V ac 24 V ac 49.4mm 38mm 80mm - -10°C +55°C - - - -
RS stock no. 884-2451
Mfr. Part No.4411AD1
BrandGIC
R 716.09
Each
units
- - - 110 V ac - - - 0 → 10s -10°C +60°C - - - -
RS stock no. 303-0414
Mfr. Part No.61FGPN8230AC
BrandOmron
R 1,495.48
Each
units
1 DIN Rail Mount 8V ac 230 V ac 84mm 38mm 49.4mm - -10°C +55°C - - - -
RS stock no. 884-2455
Mfr. Part No.4421AD1
BrandGIC
R 1,111.69
Each
units
- - - 240 V ac - - - 0 → 10s -10°C +60°C - - - -
RS stock no. 446-2654
Mfr. Part No.EFLC3 230VAC 50/60HZ
R 1,964.46
Each
units
2 DIN Rail Mount 8V ac 230 V ac 85mm 70mm 63.5mm - -20°C +60°C - - - -
RS stock no. 240-9011
Mfr. Part No.MK9151.11 2-450kOhm AC220-240V
BrandDold
R 2,422.36
Each
units
1 DIN Rail Mount 10V ac 220 → 240 V ac 82mm 22.5mm 99mm - -20°C +60°C - - - -
RS stock no. 510-9297
Mfr. Part No.61F-GPN-BC 24VDC
BrandOmron
R 2,432.35
Each
units
- DIN Rail Mount 5V ac 24 V dc 84mm 38mm 49.4mm - -10°C +55°C - - - -
RS stock no. 892-9766
Mfr. Part No.3491L1P6I1
R 12,289.94
Each
units
1 Wall Mount 230/115Vac selectable 115 V ac, 230 V ac 213mm 185mm 84mm - -40°C +55°C 4 → 20 mA, 200 (Fuse) mA ATEX IP65 Current, Voltage
RS stock no. 889-1532
Mfr. Part No.LI55-1011
BrandFlowline
R 11,541.40
Each
units
- - - 85 → 265 V ac - - - - -40°C +60°C 3 A - - -
RS stock no. 135-6334
Mfr. Part No.1SVR740850R0300
BrandABB
R 3,071.74
Each
units
1 DIN Rail Mount - 24 → 240 V ac/dc 113.4mm 22.5mm 113.4mm - -25°C +60°C 11 mA - IP20 (Terminal), IP50 (Housing) Voltage
RS stock no. 386-8556
Mfr. Part No.202995/00-91/000
BrandJumo
R 4,121.49
Each
units
3 - - - 66mm - - - -10°C +60°C - - - -
RS stock no. 859-2945
Mfr. Part No.CLP2EA1C115
R 4,562.28
Each
units
- - - - - - - - -20°C +50°C - - - -
RS stock no. 746-7469
Mfr. Part No.1SVR430851R9200
BrandABB
R 2,036.19
Each
units
- DIN Rail Mount, Screw Mount, Snap-On 30V ac 24 V ac 109.5mm 22.5mm 78mm - - - - - - -
RS stock no. 144-9334
Mfr. Part No.84800054
BrandXylem
R 16,900.07
Each
units
10 Panel Mounted 10V ac 240 V ac 96mm 96mm 130mm - -10°C +60°C 800 μA - - -
RS stock no. 135-6328
Mfr. Part No.1SVR730850R0300
BrandABB
R 2,874.69
Each
units
1 DIN Rail Mount - 24 → 240 V ac/dc 113.4mm 22.5mm 113.4mm - -25°C +60°C 11 mA - IP20 (Terminal), IP50 (Housing) Voltage
RS stock no. 780-0298
Mfr. Part No.SM20
BrandCynergy3
R 1,567.42
Each
units
- - - - - - - - 0°C +50°C - - - -