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Showing Results For: Level Controllers

Level Controllers

Level controllers are devices that maintain the liquid level in tanks, vessels, and other containers at a predetermined level. They are used in several industries, such as chemical, food processing, and pharmaceuticals.

Types of Level Controllers:

There are two main types of level controllers: point- and continuous-level controllers.

  • Point Level Controllers: Point level controllers are designed to detect the presence or absence of liquid at a specific level. They are commonly used in applications requiring only two levels, such as high- and low-level alarms. These controllers use float switches or capacitive sensors to detect the liquid level.
  • Continuous Level Controllers: Continuous level controllers are designed to monitor the liquid level continuously and adjust it as needed. They use ultrasonic or pressure sensors to measure the liquid level and transmit the data to the controller. The controller then compares the measured level to the set point and sends a signal to the actuator to adjust the liquid level if necessary.

Functions of Level Controllers:

The primary function of level controllers is to maintain a consistent liquid level in a tank or vessel. This is achieved by monitoring the liquid level and adjusting it using valves or pumps. Level controllers also provide a variety of other functions, including:

  • Overfill protection: Level controllers can prevent tanks from overfilling by shutting off the liquid inflow when the tank reaches a certain level.
  • Dry-run protection: In applications where pumps transfer liquids, level controllers can prevent them from running dry by shutting them off when the liquid level falls below a certain point.
  • Pump control: Level controllers can control the operation of pumps to ensure that they run only when needed, reducing energy consumption and wear and tear on the pumps.

Applications of Level Controllers:

Level controllers are used in a variety of applications across different industries, including:

  • Chemical industry: Level controllers are used to maintain the levels of chemicals in tanks and vessels, preventing spills and ensuring that the correct amount of chemicals are used in manufacturing processes.
  • Food processing industry: Level controllers maintain the levels of liquids such as water, oil, and sauces in tanks, ensuring that the correct amounts are used in the production process. Pharmaceuticals industry: Level controllers monitor the levels of liquids in tanks and vessels, ensuring that the correct quantities of ingredients are used in drug production.

Level controllers are essential in many industries, helping maintain consistent liquid levels in tanks and vessels. They come in different types, including point-level and continuous-level controllers, and perform overfill protection, dry-run protection, and pump control functions. They are used in various applications across different industries, including the chemical, food processing, and pharmaceutical industries.


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Sensata/Cynergy 3
Rohs Verified
SB20, Sensata/Cynergy 3
72 In Stock
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1 +
£ 115.85
Sensata/Cynergy 3
Rohs Verified
SM20, Sensata/Cynergy 3
1 In Stock
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£ 88.67
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£ 85.92
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£ 83.17
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61F-GP-N8D 24VAC, Omron
35 In Stock
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1 +
£ 92.07
Rohs Verified
CR - 222 22A, Vega
3 In Stock
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£ 680.40
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1SVR550850R9500 CM-ENE MIN, ABB
1 In Stock
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£ 64.37
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£ 61.16
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£ 57.92
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61F-GP-N8H 24VAC, Omron
36 In Stock
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£ 80.96
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61F-GP-N8D 230VAC, Omron
65 In Stock
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£ 92.07
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61F-GP-N2 110VAC, Omron
6 In Stock
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£ 71.28
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CR - 222 223, Vega
5 In Stock
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£ 405.90
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CR - 222 22E, Vega
31 In Stock
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£ 567.90
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CR - 222 22G, Vega
6 In Stock
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£ 507.60
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1SVR550851R9500 CM-ENE MIN, ABB
1 In Stock
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£ 64.37
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£ 61.15
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£ 57.92
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K7L-AT50, Omron
2 In Stock
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£ 200.52
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61F-GP-N8 24VAC, Omron
36 In Stock
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£ 69.16
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1SVR550855R9500 CM-ENE MIN, ABB
4 In Stock
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£ 57.93
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£ 55.04
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£ 52.14
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1SVR550851R9400 CM-ENE MAX, ABB
8 In Stock
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£ 64.73
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£ 61.50
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£ 58.25
1SVR730850R0200 CM-ENS.21S, ABB
2 In Stock
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£ 90.28
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£ 85.76
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£ 81.25
1SVR740850R2200 CM-ENS.23P, ABB
83 In Stock
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£ 96.56
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£ 91.74
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£ 86.90
1SVR730850R2100 CM-ENS.13S, ABB
3 In Stock
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£ 87.16
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£ 82.81
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£ 78.44
1SVR730850R0100 CM-ENS.11S, ABB
7 In Stock
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£ 87.16
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£ 82.81
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£ 78.44
1SVR740850R0100 CM-ENS.11P, ABB
6 In Stock
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£ 93.28
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£ 88.62
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£ 83.94
1SVR740850R0200 CM-ENS.21P, ABB
1 In Stock
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£ 96.56
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£ 91.74
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£ 86.90
1SVR740850R0300 CM-ENS.31P, ABB
6 In Stock
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£ 135.66
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£ 128.86
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£ 122.10
1SVR730850R2200 CM-ENS.23S, ABB
2 In Stock
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£ 90.28
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£ 85.76
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£ 81.25
1SVR730850R0300 CM-ENS.31S, ABB
2 In Stock
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£ 126.79
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£ 120.46
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£ 114.11
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61FGPN8110AC, Omron

61FGPN8110AC, Omron

Plug-in Conductive Level Controller Compact units for single or two-point level control of purified or sewage water Single level control ; relay de-energises when liquid level drops below the set level electrode Two point level control ; relay de-energises when liquid level drops below low level electrode and energises when level reaches high level electrode Operating resistance; 4kΩ ON Max. lead length to probe; 1km Dimensions: H84mm, W38mm, D49.4mm Note For conductive electrode set see stock no. 354-290 Approvals UL, CSA Liquid Level Relays are used to monitor the levels of conductive liquids, and are available in Up/Down, Minimum, Maximum, and Fill/Empty variations. Liquid Level Relays are straightforward to install and safe to use. Application Examples Liquid Level Relays (Conductive Level Sensors) are used in a wide variety of applications including waste water management and the monitoring and management of corrosive liquid media, and designed specifically to provide for the: Monitoring and control of liquid levels Protection of pumps against dry running Ability to detect liquid leaks in a system Control of media mixing ratios Control of liquid levels
New items
MK9151.11 2-450kOhm DC24V, Dold

MK9151.11 2-450kOhm DC24V, Dold

MK 9151 - level relay The MK9151 is used for Level monitoring and control of conductive liquids and powders, e.g. maximum and minimum fill level, protection against overfilling and dry running Monitoring and control of the mix ratio for conductive liquids General resistance monitoring, e.g. recording temperature limits with PTC (device to IEG 255, VDE 0435 section 303) Features 3 electrode connections for 2-point and 1-point level control The metering circuit galvanically isolated from the mains is immune from high levels of interference Max. lead length to the electrodes: 1500 m Wide setting range: 2 → 450 kΩ which enables differentiation between liquid and foam Adjustable response and fallback delay: 0.2 → 20 s Programmable for working current principle (without bridge) or rest current principle (X1-X2 and/or X1-COM bridge) 2 LEDs to indicate operating readiness and contact position 1 changer Overall width 22.5 mm, protection class IP40 Input Liquid resistance 2 → 450 kΩ adjustable Switch point hysteresis approx. 3% (at 450 kΩ) approx. 6% (at 2 kΩ) Max. Cable length to the electrodes 450 kΩ / 50 m Set value/cable length 100 kΩ / 200 m 35 kΩ / 500 m 10 kΩ / 1500 m 5 kΩ / 3000 m Max. Electrode voltage/current (internally produced) approx. AC 10 V / approx. AC 1.5 mA Auxiliary voltage U H AC 220-240 V, 45 / 400 Hz or DC 24 V Auxiliary voltage range 0.85 → 1.1 U H Output 1 changeover Thermal current 5 A Switching capacity AC11: 3A / AC 230 V Liquid Level Relays are used to monitor the levels of conductive liquids, and are available in Up/Down, Minimum, Maximum, and Fill/Empty variations. Liquid Level Relays are straightforward to install and safe to use. Application Examples Liquid Level Relays (Conductive Level Sensors) are used in a wide variety of applications inc...
New items
1SVR730850R0200  CM-ENS.21S, ABB

1SVR730850R0200 CM-ENS.21S, ABB

CM-ENS Liquid Level Relays A series of liquid level control relays from ABB for conductive liquids. The CM-ENS range gives a choice of 3 variants each with a compact, space saving housing with the highest fire protection and environmentally friendly materials. Installation is quick and easy using screw or easy-connect terminals and tool free DIN Rail mounting. Features and Benefits (CM-ENS.1 / CM-ENS.2 / CM-ENS.3) • 3 LED operational state indication • Choices of Easy connect push in terminals or screw terminals • DIN Rail mountable - no tooling required • Easy adjustment using front panel • Cascadable • Adjustable response sensitivity • 1 C/O SPDT output contact • Compact 22.5 mm width Additional Features CM-ENS.2 • Control of two levels (MIN/MAX) • Front panel adjustment of fill and drain function Additional Features CM-ENS.31 • Control of two levels (MIN/MAX) • Front panel adjustment of fill and drain function • 2 C/O SPDT Contacts • Selectable ON / OFF delay Applications • Dry running protection • Overflow protection • Liquid level control
New items
1SVR740850R2200  CM-ENS.23P, ABB

1SVR740850R2200 CM-ENS.23P, ABB

CM-ENS Liquid Level Relays A series of liquid level control relays from ABB for conductive liquids. The CM-ENS range gives a choice of 3 variants each with a compact, space saving housing with the highest fire protection and environmentally friendly materials. Installation is quick and easy using screw or easy-connect terminals and tool free DIN Rail mounting. Features and Benefits (CM-ENS.1 / CM-ENS.2 / CM-ENS.3) • 3 LED operational state indication • Choices of Easy connect push in terminals or screw terminals • DIN Rail mountable - no tooling required • Easy adjustment using front panel • Cascadable • Adjustable response sensitivity • 1 C/O SPDT output contact • Compact 22.5 mm width Additional Features CM-ENS.2 • Control of two levels (MIN/MAX) • Front panel adjustment of fill and drain function Additional Features CM-ENS.31 • Control of two levels (MIN/MAX) • Front panel adjustment of fill and drain function • 2 C/O SPDT Contacts • Selectable ON / OFF delay Applications • Dry running protection • Overflow protection • Liquid level control
New items
CLP2EA1CM24, Carlo Gavazzi

CLP2EA1CM24, Carlo Gavazzi

Carlo Gavazzi CLP Series Conductive Level Controller Carlo Gavazzi CL series microprocessor based level controller for liquids with a wide sensitivity range (like sewage water, chemicals, salt water etc.). The controller has a separate output for alarm indication in case of a tank running dry or if an overflow condition occurs. Conductive level controller Adjustment of sensitivity Low-voltage AC electrodes Output 2x8A/250 VAC SPDT relay LED indication for: Output ON and Power ON Liquid Level Relays are used to monitor the levels of conductive liquids, and are available in Up/Down, Minimum, Maximum, and Fill/Empty variations. Liquid Level Relays are straightforward to install and safe to use. Application Examples Liquid Level Relays (Conductive Level Sensors) are used in a wide variety of applications including waste water management and the monitoring and management of corrosive liquid media, and designed specifically to provide for the: Monitoring and control of liquid levels Protection of pumps against dry running Ability to detect liquid leaks in a system Control of media mixing ratios Control of liquid levels
New items
61F-GP-N8D 24VAC, Omron

61F-GP-N8D 24VAC, Omron

The Omron Level sensor has plug-in type abd has high-sensitivity. It have LED indicator. It has CE marking and UL/CSA compliance
New items
7ML5050-0AA11-1DA0, Siemens

7ML5050-0AA11-1DA0, Siemens

Ultrasonic Level Controller - SITRANS Siemens LUT400 series ultrasonic level controllers. Available in two models, LUT420 for level control of slurries, solids and liquids with basic data logging and pump control functionality, LUT430 for level, pump and flow control. The LUT430 has all the functionality of the LUT420 with the addition of advanced pump control and alarm function. When used with Siemens Echomax transducers the LUT420/LUT430 utilises Siemens ’Sonic intelligence’ technology to guard against errors due to false echoes. Suitable for a varied range of applications including level measurement, pump control, open channel , storage vessel and dry storage monitoring HART 7.0 USB communication 4 to 20 mA output / 3 relays Operational range 0.3m to 60m (transducer application/dependant) Data logger capability Echomax compatible Accuracy of ± 1mm + 0.17% of distance Digital back-up override from point level sensor Real time clock
New items
B8LCR 110VAC, Broyce Control

B8LCR 110VAC, Broyce Control

Liquid Level Controller, Plug In Base Controls maximum and/or minimum levels of conductive liquids ’Pump-up’ or ’Pump-down’ modes selectable via switch Adjustable sensitivity, 5 to 100kΩ One or two probe operation Low voltage, ac current across probes prevents electrolysis phenomena Ambient temperature; -20 to + 60°C Dimensions; H89mm x W40mm, x D92mm Note 1. If using metal tank, connect “pin 1” and earth to the tank 2. If supply is interrupted for ≤0.5s in “pump-up” mode, the relay will energise immediately. In “pump-down” mode relay remains de-energised 3. For single probe operation, link terminals “pin 1” and “pin 7” Approvals UL recognised component for Canada and US Liquid Level Relays are used to monitor the levels of conductive liquids, and are available in Up/Down, Minimum, Maximum, and Fill/Empty variations. Liquid Level Relays are straightforward to install and safe to use. Application Examples Liquid Level Relays (Conductive Level Sensors) are used in a wide variety of applications including waste water management and the monitoring and management of corrosive liquid media, and designed specifically to provide for the: Monitoring and control of liquid levels Protection of pumps against dry running Ability to detect liquid leaks in a system Control of media mixing ratios Control of liquid levels
New items
CLP2EA1C115, Carlo Gavazzi

CLP2EA1C115, Carlo Gavazzi

Carlo Gavazzi CLP Series Conductive Level Controller Carlo Gavazzi CL series microprocessor based level controller for liquids with a wide sensitivity range (like sewage water, chemicals, salt water etc.). The controller has a separate output for alarm indication in case of a tank running dry or if an overflow condition occurs. Conductive level controller Adjustment of sensitivity Low-voltage AC electrodes Output 2x8A/250 VAC SPDT relay LED indication for: Output ON and Power ON Liquid Level Relays are used to monitor the levels of conductive liquids, and are available in Up/Down, Minimum, Maximum, and Fill/Empty variations. Liquid Level Relays are straightforward to install and safe to use. Application Examples Liquid Level Relays (Conductive Level Sensors) are used in a wide variety of applications including waste water management and the monitoring and management of corrosive liquid media, and designed specifically to provide for the: Monitoring and control of liquid levels Protection of pumps against dry running Ability to detect liquid leaks in a system Control of media mixing ratios Control of liquid levels
New items
CR - 222 22A, Vega

CR - 222 22A, Vega

The Vega's VEGAMET 862 controller feed the connected 4 to 20 mA or HART sensor, process the measured value and display them. A large display for data visualisation is integrated in the housing designed for rough field condition. Easy-to-read display from a distance, even in sunlight and darkness Ambient temperature -40 to +60 °C
New items
LI55-1401, Flowline

LI55-1401, Flowline

Flowline DataView™ Level Controller Flowline's general purpose range of level controller displays which cover an assortment of engineering units. Comes equipped with either a 4-20mA or 0-10mA level sensor inputs, with various configurations to ensure your application is covered. Optional 2 or 4 programmable relays & repeater are available for added functionality Features and Benefits Intuitive setup system allows for simple configuration and range adjustment, reducing downtime Password protected non-volatile memory for secure parameters Direct control of pumps, valves and alarms can be achieved via an additional 2 or 4 relay An assortment of units can be displayed on the 6 digit LED display, such as gallons, litres, inches, feet, meters & liquid remainder percentage Flowline Sensors
New items
MK9151N.12 2-450kOHM AC230V 0-20s, Dold

MK9151N.12 2-450kOHM AC230V 0-20s, Dold

MK 9151N - level relay Application Level monitoring and control of conductive liquids and powders, e.g. maximum and minimum fill level, protection against overfilling and dry running Monitoring and control of the mix ratio for conductive liquids General resistance monitoring tasks, e.g. recording temperature limits with PTC Contact protection relay with delay Features 3 electrode connections for 2-point and 1-point level control Measuring circuit for electrodes works on AC voltage generated internally in the device (approx. 30 Hz); therefore no electrolysis occurrence in the fluid The measuring circuit galvanically isolated from the mains is immune from high levels of interference Max. lead length to the electrodes: 3000 m Wide setting range: 2 kΩ → 450 kΩ which enables differentiation between liquid and foam Response and fallback delay: 0.2 s → 20 s, adjustable separately for MIN and MAX level Programmable for operating or rest current principle LEDs to indicate operational readiness and contact position Output contact 2 changeovers Overall width: 22.5 mm Approvals   CE Standards   IEC/EN 60 255, DIN VDE 0435-303 Liquid Level Relays are used to monitor the levels of conductive liquids, and are available in Up/Down, Minimum, Maximum, and Fill/Empty variations. Liquid Level Relays are straightforward to install and safe to use. Application Examples Liquid Level Relays (Conductive Level Sensors) are used in a wide variety of applications including waste water management and the monitoring and management of corrosive liquid media, and designed specifically to provide for the: Monitoring and control of liquid levels Protection of pumps against dry running Ability to detect liquid leaks in a system Control of media mixing ratios Control of liquid levels
FAQs
We offer free shipping for orders over £200 if delivery is in the UK. All other orders in the UK, shipping from £7.99 depending on the weight and measurement. Mainland Europe shipping charges start from £25. For all other countries shipping charges start from £50 for products like Level Controllers and all others.
You can email us directly at sales@enrgtech.co.uk or via our website for any queries regarding Level Controllers or any other product.
This depends on the Level Controllers individual product and information that can be found on our website.
Yes, we offer special discounts on orders above £200 for Level Controllers and all other products.
UK orders normally take between 2/3 working days. International orders normally take between 3/5 working days for all products including Level Controllers.
Yes. We keep updating our stock frequently and if a product like Level Controllers is not in stock then we will let you know.