Switch / Relay Output Level Controllers

44 Results
Level Controller -- 2882-LS
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]

  • Control Signal: Switched Output
  • Interface: Computer Programmable
  • Form Factor: Chassis
  • Inputs: 1
Level Controllers -- 122211
from RS Components, Ltd.

Liquid Level Control Relay [See More]

  • Control Signal: Switched Output; Other; Relay
  • Standards and Compliance: RoHS
  • Form Factor: DIN; DIN Rail
Level Controllers -- 122213
from RS Components, Ltd.

Liquid Level Control Relay [See More]

  • Control Signal: Switched Output; Other; Relay
  • Standards and Compliance: RoHS
  • Form Factor: DIN; DIN Rail
Level Controllers -- 2010775 [CLD1EA1CM24 from SIE Computing Solutions, Inc.]
from RS Components, Ltd.

CONDLEVEL 1+1 FILL EMPTY DIN [See More]

  • Control Signal: Switched Output; Other; Relay
  • Inputs: 1
  • Form Factor: DIN; DIN Rail
  • Type: Analog
Level Controllers -- 2010776 [CLD2EB1BU24 from SIE Computing Solutions, Inc.]
from RS Components, Ltd.

CONDLEVEL 2+1 SPDT DIN [See More]

  • Control Signal: Switched Output; Other; Relay
  • Inputs: 2
  • Form Factor: DIN; DIN Rail
  • Type: Analog
Level Controllers -- 2845941 [61F-LS-CP08-ARB from OMRON Automation and Safety]
from RS Components, Ltd.

Floatless level switch, plug-in, high fu [See More]

  • Control Signal: Switched Output; Other; Relay
  • Standards and Compliance: RoHS
  • Inputs: 3
Conductive Liquid Level Control -- LC Series
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]

  • Control Signal: Switched Output
  • Form Factor: Chassis
  • Control: Limit
  • Interface: Switches
3-Pump Liquid Level Controller -- Model 407
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]

  • Control Signal: Switched Output
  • Interface: Switches
  • Control: Limit
  • Inputs: 5
Conductivity Level Controller -- LVCN4000
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]

  • Control Signal: Switched Output
  • Type: DC Voltage Inputs
  • Control: Limit
  • Media: Liquid
Conductivity Based Liquid Level Control -- DC Series
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]

  • Control Signal: Switched Output
  • Media: Liquid
  • Form Factor: Board
Boiler Level Controller -- LC1350
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]

  • Control Signal: Analog Voltage Output; Switched Output
  • Form Factor: Chassis; DIN
  • Control: Limit
  • Interface: Digital Front Panel
Dual-Line Six-Digit Dual-Input Process Meters -- DPM Series
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]

  • Control Signal: Switched Output; Network / Fieldbus Output; Modbus RTU Communication
  • Control: Limit
  • Controller Type: Flow; Pressure
  • Features: Multi-Function; Datalogger; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
Disinfection Controller -- WDIS410
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]

  • Control Signal: Current Loop Output; Switched Output
  • Control: Limit; Linear; PID; Nonlinear
  • Controller Type: Laboratory
  • Features: Multi-Function; Datalogger
Low Water Cutoff System Controls
from Taco Comfort Solutions

The Taco Low Water Cutoff (LWCO) provides accurate and dependable protection for all types of boilers, from small residential hot water boilers to large industrial steam units. This probe-style LWCO features patented DualVision Technology, external LED's and simplified wiring for easy installation... [See More]

  • Control Signal: Switched Output
  • Control: Limit
Conductive Level Relays/Controllers -- BS16, BS40
from Sitron

All EL units require separate panel mounted relays to control the process. Depending on the requirement, the customer can choose from either the BS/16, BS40, CN/16, CN73R or CN2R relays. Applications. High level alarm. Low level alarm. Pump protection. Leak detection. Overflow alarm. Supply line... [See More]

  • Control Signal: Switched Output
  • Interface: Switches
  • Form Factor: DIN
Level Alert Alarm -- Model 492P98
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]

  • Control Signal: Switched Output
  • Form Factor: Chassis
  • Control: Limit
  • Interface: Switches
Electronic Trip Amplifier and Controller -- UAS3
from Barksdale Control Products

Barksdale's UAS3 Electronic Trip Amplifier and controller is the perfect companion to any sensing device that provides a 4-20 mA or 0-10 VDC analog output. Our UAS3 offers the unique ability to switch four discrete circuits in a single, compact unit. In addition to its four SPDT relays, the UAS3... [See More]

  • Control Signal: Analog Voltage Output (optional feature); Current Loop Output (optional feature); Switched Output
  • Control: Limit
  • Controller Type: Pressure
  • Interface: Digital Front Panel
High Accuracy Process Controller -- 900 Series
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]

  • Control Signal: Analog Voltage Output; Current Loop Output; Switched Output; Serial / Digital; Network / Fieldbus Output; Screw Terminal
  • 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
Level Controller -- F074
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]

  • Control Signal: Switched Output
  • Form Factor: Chassis; Stand-Alone; Field Mount
  • Control: Other; Level Controller
  • Interface: Digital Front Panel
Built-in controller and display instrument for level sensors -- VEGAMET 341
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]

  • Control Signal: Current Loop Output; Switched Output
  • Interface: Digital Front Panel
  • Form Factor: Chassis
  • Type: Current Loop (Transmitter) Excitation
Liquid Level Controller -- Model 403
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]

  • Control Signal: Switched Output
  • Interface: Switches
  • Control: Limit
  • Inputs: 4
Dual Sensor Controller -- LVCN-20
from OMEGA Engineering, Inc.

The LVCN-20 dual sensor controller is ideal for automatic filling or emptying operations. The controller conveniently mounts to a single sensor or to the sensor track system. This single channel controller offers a latching, automatic fill or empty operation between two sensor inputs. An adjustable... [See More]

  • Control Signal: Switched Output
  • Form Factor: Sensor Mount
  • Control: Limit
  • Inputs: 2
Conductivity Based Liquid Level Control -- Series 19MR
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]

  • Control Signal: Switched Output
  • Media: Liquid
  • Form Factor: Board
Boiler Level Controller -- LC2250
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]

  • Control Signal: Analog Voltage Output; Switched Output
  • Form Factor: Chassis; DIN
  • Control: Limit
  • Interface: Digital Front Panel
Dual-Line Six-Digit Process Meters -- PM Series
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]

  • Control Signal: Switched Output; Network / Fieldbus Output; Modbus RTU Communication
  • Control: Limit
  • Controller Type: Flow; Pressure
  • Features: Multi-Function; Datalogger; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
Conductive Level Relays/Controllers -- CN16, CN73R
from Sitron

All EL units require separate panel mounted relays to control the process. Depending on the requirement, the customer can choose from either the BS/16, BS40, CN/16 or CN73R. Applications. High level alarm. Low level alarm. Pump protection. Leak detection. Overflow alarm. Supply line control. [See More]

  • Control Signal: Switched Output
  • Interface: Switches
  • Form Factor: DIN
Intelligent Integrated Instrument System -- Model 990
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]

  • Control Signal: Analog Voltage Output; Current Loop Output; Switched Output; Serial / Digital; Network / Fieldbus Output; Screw Terminal, DA15
  • 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
Built-in controller and display instrument for level sensors -- VEGAMET 342
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]

  • Control Signal: Current Loop Output; Switched Output
  • Form Factor: Chassis
  • Features: Totalizing (Length or Roll Diameter) Indication/ Control
  • Interface: Digital Front Panel
Liquid Level Controller -- Model 4042
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]

  • Control Signal: Switched Output
  • Interface: Switches
  • Control: Limit
  • Inputs: 1
Dual Sensor Level Controller -- LVCN-130
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]

  • Control Signal: Switched Output
  • Form Factor: Chassis; DIN
  • Control: Limit
  • Inputs: 2
Conductivity Based Liquid Level Control -- Series 27
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]

  • Control Signal: Switched Output
  • Media: Liquid
  • Form Factor: Board
Boiler Level Controller -- LC2650
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]

  • Control Signal: Analog Voltage Output; Switched Output
  • Form Factor: Chassis; DIN
  • Control: Limit
  • Interface: Digital Front Panel
Universal Embedded Process Controller -- Model N920
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]

  • Control Signal: Switched Output; Serial / Digital; Network / Fieldbus Output; 3.5mm Plug
  • Control: Limit
  • Controller Type: Batch; Flow
  • Features: PLC; Datalogger; Is a Chart Recorder; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
Compact controller and display instrument for level sensors -- VEGAMET 141
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]

  • Control Signal: Current Loop Output; Switched Output
  • Interface: Digital Front Panel
  • Form Factor: Chassis
  • Type: Current Loop (Transmitter) Excitation
Liquid Level Controller -- Model 4082
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]

  • Control Signal: Switched Output
  • Interface: Switches
  • Control: Limit
  • Inputs: 1
Level Alert Single Sensor Controller -- LVCN-100
from OMEGA Engineering, Inc.

OMEGA ’s level alert calls attention to alarm conditions. For operator alert to low inventory levels or high alarm conditions, the level alert offers an excellent solution to these problems. An amber lens distributes the high intensity strobe light in a pattern which calls immediate attention... [See More]

  • Control Signal: Switched Output
  • Form Factor: Sensor Mount, Level Track
  • Control: Limit
  • Inputs: 1
Conductivity Based Liquid Level Control -- Series 47
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]

  • Control Signal: Switched Output
  • Media: Liquid
  • Form Factor: Board
Boiler Level Controller -- LC3050
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]

  • Control Signal: Analog Voltage Output; Switched Output
  • Form Factor: Chassis; DIN
  • Control: Limit
  • Interface: Digital Front Panel
Universal Process Monitor/Controller -- 700 Series
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]

  • Control Signal: Switched Output; Serial / Digital; Network / Fieldbus Output; 3.5mm Plug
  • Control: Limit
  • Controller Type: Flow; Laboratory
  • Features: PLC; Multi-Function; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
Compact controller and display instrument for level sensors -- VEGAMET 142
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]

  • Control Signal: Current Loop Output; Switched Output
  • Interface: Digital Front Panel
  • Form Factor: Chassis
  • Type: Current Loop (Transmitter) Excitation
Pump-Down Controller -- Model 4052
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]

  • Control Signal: Switched Output
  • Interface: Switches
  • Control: Limit
  • Inputs: 1
Non-Contact Level Controller -- LVCN414
from OMEGA Engineering, Inc.

The LVCN414 Series is a non-contact, ultrasonic level controller and transmitter that delivers reliable, cost-effective, high-performance, small-tank fluid handling control solutions. The LVCN414 targets process, control and chemical feed applications in small tanks mounted on skids, tools or... [See More]

  • Control Signal: Switched Output; Serial / Digital; USB
  • Inputs: 1
  • Control: Limit
  • Type: Non-Contact
Conductivity Based Liquid Level Control -- Series A & AM
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]

  • Control Signal: Switched Output
  • Media: Liquid
  • Form Factor: Board
Controller and display instrument for level sensors -- VEGAMET 391
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]

  • Control Signal: Current Loop Output; Switched Output
  • Form Factor: Chassis
  • Features: Totalizing (Length or Roll Diameter) Indication/ Control
  • Interface: Digital Front Panel