Liquid Level Controllers
from Arjay Engineering
Reliable level alarm and control of liquids and solids. As a liquid or solid rises or lowers around the probe, the capacitance field changes. This is monitored and used to control the two on-board relays. Each relay includes full differential control to allow the relay to activate and de-activate... [See More]
- Media: Liquid
- Interface: Computer Programmable
- Form Factor: Chassis
- Inputs: 1
from Gems Sensors & Controls
Solid State Reliability. DC Power Supply. Low Maintenance. Easy to Install and Replace. Low Volt / Low Amp. Protective Housing. Model DC controls are designed for applications where only direct current power is available. DC units can be used as differential level controls or single point alarm... [See More]
- Media: Liquid
- Control Signal: Switched Output
- Form Factor: Board
from Cleaver-Brooks
Level control is provided for the DA tank while the surge tank receives feed control, with a bias to limit the valve position according to surge tank level. The system accepts a 4-20 ma input signal from each of the DA and Surge level transmitters. Alarms for both tanks include High-High-, Low-,... [See More]
- Media: Liquid; Steam
- Features: PLC; Datalogger
- Control: Limit
- Form Factor: Stand-Alone
from Spirax-Sarco
The Spirax Sarco LC1350 has two alarm channels that can be independently configured high or low to control the water level of a boiler, tank or vessel by operating a pump, valve or solenoid. It has been designed as an on/off level controller for use with the LP10-4 four-tip conductivity probe... [See More]
- Media: Liquid
- Form Factor: Chassis; DIN
- Control: Limit
- Interface: Digital Front Panel
from Uehling Instrument Company
How does it work? When an alarm condition is sensed by Level Alert, an audible alarm sounds and a message pad flashes to inform the user why the alarm has sounded. A reset push-button silences the audible alarm. Thereafter, the message pad(s) remain illuminated until the alarm condition has been... [See More]
- Media: Liquid
- Form Factor: Chassis
- Control: Limit
- Interface: Switches
from OMEGA Engineering, Inc.
The LVCN4000 Series Conductive Level Switch Controllers offer a wide range of customized options to meet any application ’s need. LVCN4000 Series are designed to control the level of all conductive mediums with up to 2 different points of level control. The LVCN4100 Series has one single rod... [See More]
- Media: Liquid
- Type: DC Voltage Inputs
- Control: Limit
- Control Signal: Switched Output
from Iwaki America and Walchem, IWAKI America Inc
Walchem's WDIS Series controller will reliably and economically control your water treatment disinfection process.The controller includes four standard sensor input options (free chlorine/bromine, chlorine dioxide, ozone and peracetic acid) or can be configured to use a variety of other types of... [See More]
- Media: Liquid; Gas; Steam
- Control: Limit; Linear; PID; Nonlinear
- Controller Type: Laboratory
- Features: Multi-Function; Datalogger
from Process Technology
Provides automated control and consistent liquid levels for most aqueous processes and waste treatment tanks, or when leak detection is required. FEATURES. Helps protect against fires and tank damage associated with low-level conditions. ESP model: mounts on the outside of plastic tanks and senses... [See More]
- Media: Liquid; Other; Conductive Liquid
- Inputs: 1
- Control: Limit
- Type: Capacitive Area
from Fluidwell bv
The D074 is a basic, panel mount level / pump controller that works with a preset value and two switch points to control a pump or valve. The low and high level switch points are entered as a percentage of the preset value to switch the device on / off. For pump control applications, the function... [See More]
- Media: Liquid; Solid
- Form Factor: Chassis
- Control: Other; Level Controller
- Interface: Digital Front Panel
from PMC Engineering LLC
The DPM is a multipurpose, easy to use digital dual-input process meter ideal for level, flow rate, temperature transmitter, or pressure transmitter applications. Various math functions may be applied to the inputs including addition, difference, absolute difference, average, weighted average,... [See More]
- Media: Liquid
- Control: Limit
- Controller Type: Flow; Pressure
- Features: Multi-Function; Datalogger; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
from VEGA Americas, Inc.
Application area. 1 x 4 … 20 mA sensor input, 1 x 4 … 20 mA current output, 3 x operating relay, 1 x fail safe relay (instead of operating relay), Ex approval, separator, ship approval, on-site display, turn/push button and Smartphone operation. The VEGAMET 341 controller feeds the... [See More]
- Media: Liquid
- Interface: Digital Front Panel
- Form Factor: Chassis
- Type: Current Loop (Transmitter) Excitation
from Siemens Process Instrumentation
MultiRanger/HydroRanger 200 HMI is a versatile short- to medium-range ultrasonic single- and multi-vessel level monitor/controller for virtually any application in a wide range of industries. Differential measurement and six control relays. Process Intelligence. Range of models for simple level... [See More]
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Media: Liquid; Solid; Other;
Wet wells, flumes/weirs, bar screen control, hoppers, chemical storage, liquid storage, crusher bins, dry solids storage
- Control Signal: Current Loop Output; Serial / Digital; Network / Fieldbus Output
from Time Mark Corporation
The Model 407 3-Pump Liquid Level Controller provides central operating control of triplex pumping systems. The solid-state electronic controller provides alternating of load pumps, low level cutoff and high level alarm outputs. Runtime meters provide instant visual data on total running time of... [See More]
- Media: Liquid
- Interface: Switches
- Control: Limit
- Inputs: 5
from Littelfuse, Inc.
LLC52AA provides dual-probe conductive liquid level control with ac input voltage of 24 and adjustable sensing resistance to 100 k Ω. [See More]
- Media: Liquid
- Form Factor: Plug-in socket
from Florite International, Inc.
The 900 Series is an economic one loop microcomputer-based instrument incorporating user selectable digital and analog inputs, as well as analog and relay outputs. Other 900 Series features include .005% high accuracy PID, batch, and dose control functions. Additionally, the 900 Series encompasses... [See More]
- Media: Liquid; Solid; Gas
- Control: Limit; Linear; Feedforward; PID
- Controller Type: Batch; Flow; Laboratory; Pressure
- Features: PLC; Multi-Function; Datalogger; Is a Chart Recorder; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
from Gems Sensors & Controls
Solid State Reliability. No Contactors. 11 or 19K Ohms/cm Sensitivity. Direct or Inverse Modes. LED Indicator. Spade Terminals for Easy Installation. CSA Approved. U.L. "Motor Control". Series 19MR controls are the ideal choice where pump up or pump down service is necessary. This control eliminates... [See More]
- Media: Liquid
- Control Signal: Switched Output
- Form Factor: Board
from Cleaver-Brooks
The magnostrictive design allows for precise measurement of water level. Advanced technology alerts the operator if the level float is slowing down in relation to normal movement and prompts the operator to perform a water column blowdown. The system also detects if the float has not moved and shuts... [See More]
- Media: Liquid; Steam
- Form Factor: Stand-Alone
- Features: Datalogger
- Interface: Switches; Digital Front Panel
from Spirax-Sarco
The Spirax Sarco LC2250 is a level controller for on / off or modulating control of conductive liquid levels. The LC2250 has two alarm outputs that can be configured high or low. The controller is suitable for use with liquids having an electrical conductivity of 5 μS / cm or 5 ppm, when used... [See More]
- Media: Liquid
- Form Factor: Chassis; DIN
- Control: Limit
- Interface: Digital Front Panel
from OMEGA Engineering, Inc.
The LVCN-130 dual sensor controller accepts two sensor inputs for automatic filling and emptying operations. The latched 10 amp relay provides the control interface with pumps and valves. The controller has a time delay feature dampening out relay chatter. Other features include selectable normally... [See More]
- Media: Liquid
- Form Factor: Chassis; DIN
- Control: Limit
- Inputs: 2
from Process Technology
Provides automated control and consistent liquid levels for most aqueous processes and waste treatment tanks, or when leak detection is required. FEATURES. Helps protect against fires and tank damage associated with low-level conditions. Dual probe units (LC2): for single point control. Multi probe... [See More]
- Media: Liquid; Other; Conductive Liquid
- Form Factor: Chassis
- Control: Limit
- Interface: Switches
from Fluidwell bv
The F074 is a basic level / pump controller that works with a preset value and two switch points to control a pump or valve. The low and high level switch points are entered as a percentage of the preset value to switch the device on / off. For pump control applications, the function can be inverted... [See More]
- Media: Liquid; Solid
- Form Factor: Chassis; Stand-Alone; Field Mount
- Control: Other; Level Controller
- Interface: Digital Front Panel
from PMC Engineering LLC
The PM is a multipurpose, easy to use digital process meter ideal for level, flow rate, temperature, or pressure transmitter applications. It accepts current and voltage signals. Three of the front panel buttons can be custom programmed for a specific operation. Dual Scale for Level Applications -... [See More]
- Media: Liquid
- Control: Limit
- Controller Type: Flow; Pressure
- Features: Multi-Function; Datalogger; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
from VEGA Americas, Inc.
Application area. 2 x 4 … 20 mA sensor inputs, 2 x 4 … 20 mA current outputs, 3 x operating relay, 1 x fail safe relay (instead of operating relay), Ex approval, separator, ship approval, on-site display, turn/push button and Smartphone operation. The VEGAMET 342 controller feeds the... [See More]
- Media: Liquid
- Form Factor: Chassis
- Features: Totalizing (Length or Roll Diameter) Indication/ Control
- Interface: Digital Front Panel
from Siemens Process Instrumentation
SITRANS LT500 is the next evolution of digital level, flow, and pump controllers for radar and ultrasonic transmitters – or any 2-wire 4-20 mA device. It is the first choice for radar sensor measurements at 80 GHz and features single and dual point measurements, 6 relays, and Modbus RTU, HART,... [See More]
- Media: Liquid; Solid
- Control Signal: Current Loop Output; Network / Fieldbus Output
- Control Outputs: 3
from Time Mark Corporation
The Model 661 Alarm Control, part of the 600 series line of instrumentation controls, is designed to monitor and maintain measurable applications such as liquid levels, temperature, pressure, flow, etc. A user-provided 4-20mA current loop represents the measurable application, and output connections... [See More]
- Media: Liquid
- Control: Limit
- Controller Type: Flow; Pressure
- Features: Rate Indication/ Control
from Littelfuse, Inc.
LLC54AAS provides dual-probe conductive liquid level control with ac input voltage of 120 and adjustable sensing resistance to 100 k Ω. [See More]
- Media: Liquid
- Form Factor: Plug-in socket
from Florite International, Inc.
The Florite Model 990X is an innovative, technically superior, high quality and reliable microcomputer-based controller suitable for any commercial or industrial application. The instruments user configurable screw-terminal channels enable any mix of up to eight inputs and or outputs regardless of... [See More]
- Media: Liquid; Solid; Gas
- Control: Limit; Linear; Feedforward; PID
- Controller Type: Batch; Flow; Laboratory; Pressure
- Features: PLC; Multi-Function; Datalogger; Is a Chart Recorder; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
from Gems Sensors & Controls
Solid State Reliability. Up to 100K Ohm/cm Sensitivity. Internal Surge Suppression. Single Level or Differential Service. Series 27 intrinsically safe controls have SPDT output contacts and are UL approved for use in Class I, Groups A, B, C & D; Class II, Groups E, F & G; and Class III... [See More]
- Media: Liquid
- Control Signal: Switched Output
- Form Factor: Board
from Spirax-Sarco
The Spirax Sarco LC2650 is a level controller for conductive liquids. It provides on/off or modulating control of liquid levels in boilers, tanks, and vessels operating up to 32 bar at 239 ° C. It has two alarm channels that can be independently configured either high or low. The controller is... [See More]
- Media: Liquid
- Form Factor: Chassis; DIN
- Control: Limit
- Interface: Digital Front Panel
from VEGA Americas, Inc.
Application area. 1 x 4 … 20 mA sensor input, 1 x 4 … 20 mA current output, 3 x operating relay, 1 x fail safe relay (instead of operating relay), Ex approval, separator, ship approval, on-site display, turn/push button and Smartphone operation. The VEGAMET 141 controller feeds the... [See More]
- Media: Liquid
- Interface: Digital Front Panel
- Form Factor: Chassis
- Type: Current Loop (Transmitter) Excitation
from Siemens Process Instrumentation
SITRANS LUT400 are compact, single point, long range ultrasonic controllers for continuous level or volume measurement of liquids, slurries, and solids, and high accuracy monitoring of open channel flow. The SITRANS LUT400 ultrasonic level controller comes in three different models, depending on the... [See More]
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Media: Liquid; Solid; Other;
Wet wells, reservoirs, flumes/weirs, chemical storage, liquid storage, hoppers, crusher bins, dry solids storage
from Time Mark Corporation
The 403 Liquid Level Controller provides central control of duplex pumping systems. The Model 403 includes pump alternating, visual run-time meters, hand-off-auto control and alarm outputs. Four level-sense inputs interface with float switches, pressure switches, or other level sensing devices which... [See More]
- Media: Liquid
- Interface: Switches
- Control: Limit
- Inputs: 4
from Littelfuse, Inc.
LLC54AF10 provides dual-probe conductive liquid level control with ac input voltage of 120 and fixed sensing resistance of 10 k Ω. [See More]
- Media: Liquid
- Form Factor: Plug-in socket
from Florite International, Inc.
The Model N920 is an embedded version of the 900 Series instrument incorporating user selectable digital and analog inputs, as well as analog and relay outputs. Other Model N920 features include .005% high accuracy PID, batch, and dose control functions. Additionally, the Model N920 encompasses rate... [See More]
- Media: Liquid; Gas
- Control: Limit
- Controller Type: Batch; Flow
- Features: PLC; Datalogger; Is a Chart Recorder; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
from Gems Sensors & Controls
Solid State Reliability. 0-50K Ohm/cm Sensitivity. Alarm Contacts for Audible and Visual Alarms. 4 Channel Relay. Removable Terminal Strips. Inverse or Direct Acting Field Selectable. U.L. Recognized. Series 47 intrinsically safe controls offer complete alarm panel control in a single package. [See More]
- Media: Liquid
- Control Signal: Switched Output
- Form Factor: Board
from Spirax-Sarco
The Spirax Sarco LC3050 is a level limiting alarm for use in conductive liquids as a high or a low alarm, and is defined as a 'special design water level limiter' in the context of EN 12952-11. It is suitable for use with steam or hot water boilers operating up to 32 bar at 239 °C. The LC3050 is... [See More]
- Media: Liquid
- Form Factor: Chassis; DIN
- Control: Limit
- Interface: Digital Front Panel
from VEGA Americas, Inc.
Application area. 2 x 4 … 20 mA sensor inputs, 2 x 4 … 20 mA current outputs, 3 x operating relay, 1 x fail safe relay (instead of operating relay), Ex approval, separator, ship approval, on-site display, turn/push button and Smartphone operation. The VEGAMET 142 controller feeds the... [See More]
- Media: Liquid
- Interface: Digital Front Panel
- Form Factor: Chassis
- Type: Current Loop (Transmitter) Excitation
from Time Mark Corporation
The Model 4042 Liquid Level Controller monitors, displays and controls water level up to 34.6 feet, in a tank or reservoir. The Model 4042 operates from the 4-20mA input signal provided by the Time Mark Model 450 Pressure Transducer. This 4-20mA signal represents the water level to be controlled,... [See More]
- Media: Liquid
- Interface: Switches
- Control: Limit
- Inputs: 1
from Littelfuse, Inc.
LLC54BA provides dual-probe conductive liquid level control with ac input voltage of 120 and adjustable sensing resistance to 100 k Ω. [See More]
- Media: Liquid
- Form Factor: Plug-in socket
from Florite International, Inc.
The 700 Series is an economic one loop microcomputer-based instrument incorporating a digital input, as well as a relay output. Other 700 Series features include rate metering, dual totalizing, easy menu navigation, multiple audio/visual alarm functions, a serial RS-232 port, LWAN (modem)... [See More]
- Media: Liquid
- Control: Limit
- Controller Type: Flow; Laboratory
- Features: PLC; Multi-Function; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
from Gems Sensors & Controls
Open Circuit Board Design or. Convenient Plug-in Design. UL Recognized Motor Control. Power Outage Time Delay Available on. Series A. Series A has an open circuit board design. Series AM provides convenient plug-in design, either octal socket or DIN mount. The housing carries no NEMA rating. [See More]
- Media: Liquid
- Control Signal: Switched Output
- Form Factor: Board
from VEGA Americas, Inc.
Application area. The VEGAMET 391 controller powers any 4 … 20 mA/HART sensor, processes and displays the measured values. The VEGAMET 391 is perfectly suitable for simple control tasks in level, gauge and process pressure measurements as well as for inventory management (VMI) and remote... [See More]
- Media: Liquid
- Form Factor: Chassis
- Features: Totalizing (Length or Roll Diameter) Indication/ Control
- Interface: Digital Front Panel
from Time Mark Corporation
The Model 4082 Liquid Level Controller monitors, displays and controls water level up to 34.6 feet in a tank or reservoir. The Model 4082 operates from the 4-20mA input signal provided by either the Time Mark Model 450 or Model 456-15 Pressure Transducer. This 4-20mA signal represents the water... [See More]
- Media: Liquid
- Interface: Switches
- Control: Limit
- Inputs: 1
from Littelfuse, Inc.
LLC54BAS provides dual-probe conductive liquid level control with ac input voltage of 120 and adjustable sensing resistance to 100 k Ω. [See More]
- Media: Liquid
- Form Factor: Plug-in socket
from Gems Sensors & Controls
Solid State Reliability. Compact Size. Spade Terminals for Easy Wiring. Manual Reset (optional). Power Outage Feature (optional). U.L. "Limit Control". Dual function Series DF models are designed to control two independent level functions: one single-level control operation and one... [See More]
- Media: Liquid
- Form Factor: Board
- Control: Limit
- Control Signal: Switched Output
from VEGA Americas, Inc.
Application area. The VEGAMET 624 controller powers the connected 4 … 20 mAA/HART sensor, processes and displays the measured values. The VEGAMET 624 is ideal for simple control tasks in level, gauge and process pressure measurements. For inventory management in remote storage silos,... [See More]
- Media: Liquid
- Interface: Digital Front Panel
- Form Factor: Chassis
- Type: Current Loop (Transmitter) Excitation
from Time Mark Corporation
The Model 4093 is a compact, socket mounted Liquid Level Controller that operates by monitoring the conductive liquid resistance between two probes. The unit monitors two liquid levels and responds as a pump-up or pump-down control as determined by the switch setting on the top of the unit. The... [See More]
- Media: Liquid
- Features: Rate Indication/ Control
- Control: Limit
- Type: Resistive/ Potentiometer Inputs
from Littelfuse, Inc.
LLC14A1AX is a single-probe, open board conductive liquid level control with input voltage ac of 120 and a fixed time delay of 1 s. [See More]
- Media: Liquid
- Form Factor: 0.50 in. (12.7mm) nylon standoffs with three #6 (M3.5 x 0.6) screws (use terminal 5 for probe common)
from Gems Sensors & Controls
Internal Mounting. Meets CSD1 Requirements. U.L. Recognized "Limit Control". Compact Size. Options Include: Manual Reset, Power Outage Feature, and Test Feature. Gems LWC-700 is designed for boiler low-water cutoff protection, and offers the most compact internally mounting package for boiler and... [See More]
- Media: Liquid
- Form Factor: Board
- Control: Limit
- Control Signal: Switched Output
from VEGA Americas, Inc.
Application area. The VEGAMET 625 controller powers the connected HART sensor, processes and displays the measured values received through HART Multidrop. The VEGAMET 625 is ideal for simple control tasks in level, gauge and process pressure measurements. For inventory management in remote storage... [See More]
- Media: Liquid
- Interface: Digital Front Panel
- Form Factor: Chassis
- Control Signal: Current Loop Output; Switched Output
from Time Mark Corporation
The Model 4052 Pump-Down Controller provides total control for duplex pumping systems. The Model 4052 monitors, controls and displays the liquid level in a tank or reservoir, up to a depth of 34.6 feet. The input to the Model 4052 can be from any 2 or 3-wire transducer with a 4-20mA output that... [See More]
- Media: Liquid
- Interface: Switches
- Control: Limit
- Inputs: 1
from Littelfuse, Inc.
LLC16A3AX is a single-probe, open board conductive liquid level control with input voltage ac of 230 and a fixed time delay of 3 s. [See More]
- Media: Liquid
- Form Factor: 0.50 in. (12.7mm) nylon standoffs with three #6 (M3.5 x 0.6) screws (use terminal 5 for probe common)
from Gems Sensors & Controls
External Mounting. Meets CSD1 Requirements. U.L. Recognized "Limit Control". Compact Size. Options Include: Manual Reset, Power Outage Feature, and Test Feature. Gems LWC-800 is designed for boiler low-water cutoff protection, and offers the most compact package for boiler and steam generators. For... [See More]
- Media: Liquid
- Form Factor: Board
- Control: Limit
- Control Signal: Switched Output
from VEGA Americas, Inc.
Application area. The VEGATOR 256C is a controller for conductive electrodes EL 1 … EL 8. Applications are simple level detections or pump controls. Your benefit. Simple adjustment of the switching points via potentiometer. Simple installation through carrier rail mounting. Compact unit of... [See More]
- Media: Liquid
- Interface: Digital Front Panel
- Form Factor: Chassis
- Control Signal: Switched Output
from Time Mark Corporation
The Model 4062 Pump-Up Controller provides total control for duplex pumping systems. The Model 4062 monitors, controls and displays the liquid level in a tank or reservoir, up to a depth of 34.6 feet. The input to the Model 4062 can be from any 2 or 3-wire transducer with a 4-20mA output that... [See More]
- Media: Liquid
- Interface: Switches
- Control: Limit
- Inputs: 1
from Littelfuse, Inc.
LLC24A2AN is a dual-probe conductive liquid level control with ac input voltage of 120 and adjustable sensing resistance to 100 k Ω. [See More]
- Media: Liquid
- Form Factor: Surface mount to probe common with two or four #6 (M3.5 x 0.6) screws