Flowline Controllers and Displays
Harrington is a leading supplier of high-quality flowline controllers and displays. We offer a diverse selection with different inputs and outputs. Flowline controllers and displays are used to control output, enabling functions such as on/off and alarms. Choose your product to request a quote, obtain additional information, and explore purchasing options.
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The general purpose level controller is offered in two configurations for pump and valve control. The LC10 accepts one level sensor input and provides one 16A relay for high level control or low level control. The optional flash alarm brings attention to level alarm conditions. Package this level controller with our liquid level switch sensors and fittings.
The general purpose level controller is offered in two configurations for pump and valve control. The LC10 accepts one level sensor input and provides one 16A relay for high level control or low level control. The optional flash alarm brings attention to level alarm conditions. Package this level controller with our liquid level switch sensors and fittings.
The general purpose level controller is offered in two configurations for pump and valve control. The LC11 accepts two level sensor inputs and provides one latching 16A relay for automatic fill or empty control. The optional flash alarm brings attention to level alarm conditions. Package this level controller with our liquid level switch sensors and fittings.
The general purpose level controller is offered in two configurations for pump and valve control. The LC11 accepts two level sensor inputs and provides one latching 16A relay for automatic fill or empty control. The optional flash alarm brings attention to level alarm conditions. Package this level controller with our liquid level switch sensors and fittings.
The general purpose flow controller is used for low-flow pump and process protection. The LC30 accepts one flow sensor input and provides one 10A relay for low flow control. Package this flow controller with our liquid or gas flow switch sensors.
The general purpose flow controller is used for low-flow pump and process protection. The LC30 accepts one flow sensor input and provides one 10A relay for low flow control. Package this flow controller with our liquid or gas flow switch sensors.
CSA approved, general purpose , the level controller is offered in three configurations for pump and valve control. The LC40 accepts one level sensor input and provides one 10A relay. The LC41 accepts two level sensor inputs and provides one latching 10A relay for automatic fill or empty control. The LC42 accepts three level sensor inputs with one latching 10A relay output for automatic fill or empty control, and a second non-latching 10A relay for high level alarm or low level alarm. The optional NEMA 4X polycarbonate enclosure is a great choice for field mount installations and comes complete with a DIN rail mounting kit.
CSA approved, general purpose , the level controller is offered in three configurations for pump and valve control. The LC40 accepts one level sensor input and provides one 10A relay. The LC41 accepts two level sensor inputs and provides one latching 10A relay for automatic fill or empty control. The LC42 accepts three level sensor inputs with one latching 10A relay output for automatic fill or empty control, and a second non-latching 10A relay for high level alarm or low level alarm. The optional NEMA 4X polycarbonate enclosure is a great choice for field mount installations and comes complete with a DIN rail mounting kit.
The general purpose controller provides single tank level indication with 2 relays, 1-3 set points and an isolated analog repeater. Relay 1 is configurable on a single set point. Relay 2 can be configured on a single set point or latched on two set points for automatic fill or empty control. Package the controller with any of our level transmitters. The optional NEMA 4X polycarbonate enclosure is a great choice for field mount installations and comes complete with a DIN rail mounting kit.
The general purpose flow controller is offered in two configurations for low-flow pump and process protection. The LC80 accepts one flow sensor input and provides one 10A relay for low flow control. The LC82 accepts two flow sensor inputs and provides two 10A relays for dual low flow control. Package this flow controller with our liquid or gas flow switch sensors. For field mount installation, add a single or dual controller NEMA box.
CSA approved, isolation versions with built-in intrinsic safety barriers for use with associated apparatus, the level controller is offered in two configurations for pump and valve control. The LC90 accepts one level sensor input and provides one 10A relay. The LC92 accepts three level sensor inputs with one latching 10A relay output for automatic fill or empty control, and a second non-latching 10A relay for high level alarm or low level alarm. The optional NEMA 4X polycarbonate enclosure is a great choice for field mount installations and comes complete with a DIN rail mounting kit.
CSA approved, isolation versions with built-in intrinsic safety barriers for use with associated apparatus, the level controller is offered in two configurations for pump and valve control. The LC90 accepts one level sensor input and provides one 10A relay. The LC92 accepts three level sensor inputs with one latching 10A relay output for automatic fill or empty control, and a second non-latching 10A relay for high level alarm or low level alarm. The optional NEMA 4X polycarbonate enclosure is a great choice for field mount installations and comes complete with a DIN rail mounting kit.
The general purpose loop powered level indicator displays engineering units connected in series with one 4-20 mA continuous level transmitter. For field mount installation, add a single or double NEMA box.
The general purpose AC or DC powered level controller displays engineering units with one 4-20 mA level transmitter input and is offered in three configurations with optional 2 or 4 programmable relays, and an isolated 4-20 mA repeater. Each relay can be configured on a single set point (high level alarm or low level alarm) or latched on two set points for automatic fill or empty in simplex (one pump or valve) or duplex (two pumps) level control modes. For field mount installation, add a single or double NEMA box.
The general purpose AC or DC powered level controller displays engineering units with one 4-20 mA level transmitter input and is offered in three configurations with optional 2 or 4 programmable relays, and an isolated 4-20 mA repeater. Each relay can be configured on a single set point (high level alarm or low level alarm) or latched on two set points for automatic fill or empty in simplex (one pump or valve) or duplex (two pumps) level control modes. For field mount installation, add a single or double NEMA box.
The general purpose AC or DC powered level controller displays engineering units with one 4-20 mA level transmitter input and is offered in three configurations with optional 2 or 4 programmable relays, and an isolated 4-20 mA repeater. Each relay can be configured on a single set point (high level alarm or low level alarm) or latched on two set points for automatic fill or empty in simplex (one pump or valve) or duplex (two pumps) level control modes. For field mount installation, add a single or double NEMA box.
The general purpose AC or DC powered level controller displays engineering units with one 4-20 mA level transmitter input and is offered in three configurations with optional 2 or 4 programmable relays, and an isolated 4-20 mA repeater. Each relay can be configured on a single set point (high level alarm or low level alarm) or latched on two set points for automatic fill or empty in simplex (one pump or valve) or duplex (two pumps) level control modes. For field mount installation, add a single or double NEMA box.
The general purpose AC or DC powered level controller displays engineering units with one 4-20 mA level transmitter input and is offered in three configurations with optional 2 or 4 programmable relays, and an isolated 4-20 mA repeater. Each relay can be configured on a single set point (high level alarm or low level alarm) or latched on two set points for automatic fill or empty in simplex (one pump or valve) or duplex (two pumps) level control modes. For field mount installation, add a single or double NEMA box.
The general purpose AC or DC powered level controller displays engineering units with one 4-20 mA level transmitter input and is offered in three configurations with optional 2 or 4 programmable relays, and an isolated 4-20 mA repeater. Each relay can be configured on a single set point (high level alarm or low level alarm) or latched on two set points for automatic fill or empty in simplex (one pump or valve) or duplex (two pumps) level control modes. For field mount installation, add a single or double NEMA box.
The general purpose AC or DC powered level controller displays engineering units with one 4-20 mA level transmitter input and is offered in three configurations with optional 2 or 4 programmable relays, and an isolated 4-20 mA repeater. Each relay can be configured on a single set point (high level alarm or low level alarm) or latched on two set points for automatic fill or empty in simplex (one pump or valve) or duplex (two pumps) level control modes. For field mount installation, add a single or double NEMA box.
The general purpose AC or DC powered level controller displays engineering units with one 4-20 mA level transmitter input and is offered in three configurations with optional 2 or 4 programmable relays, and an isolated 4-20 mA repeater. Each relay can be configured on a single set point (high level alarm or low level alarm) or latched on two set points for automatic fill or empty in simplex (one pump or valve) or duplex (two pumps) level control modes. For field mount installation, add a single or double NEMA box.
The general purpose AC or DC powered level controller displays engineering units with one 4-20 mA level transmitter input and is offered in three configurations with optional 2 or 4 programmable relays, and an isolated 4-20 mA repeater. Each relay can be configured on a single set point (high level alarm or low level alarm) or latched on two set points for automatic fill or empty in simplex (one pump or valve) or duplex (two pumps) level control modes. For field mount installation, add a single or double NEMA box.
The general purpose AC or DC powered level controller displays engineering units with one 4-20 mA level transmitter input and is offered in three configurations with optional 2 or 4 programmable relays, and an isolated 4-20 mA repeater. Each relay can be configured on a single set point (high level alarm or low level alarm) or latched on two set points for automatic fill or empty in simplex (one pump or valve) or duplex (two pumps) level control modes. For field mount installation, add a single or double NEMA box.
The general purpose AC or DC powered level controller displays engineering units with one 4-20 mA level transmitter input and is offered in three configurations with optional 2 or 4 programmable relays, and an isolated 4-20 mA repeater. Each relay can be configured on a single set point (high level alarm or low level alarm) or latched on two set points for automatic fill or empty in simplex (one pump or valve) or duplex (two pumps) level control modes. For field mount installation, add a single or double NEMA box.
The general purpose AC or DC powered level controller displays engineering units with one 4-20 mA level transmitter input and is offered in three configurations with optional 2 or 4 programmable relays, and an isolated 4-20 mA repeater. Each relay can be configured on a single set point (high level alarm or low level alarm) or latched on two set points for automatic fill or empty in simplex (one pump or valve) or duplex (two pumps) level control modes. For field mount installation, add a single or double NEMA box.
The polycarbonate NEMA enclosure provides convenient field mount installation of one or two 1/8 DIN mount level controllers or indicators with NEMA 4X faceplates.
The clear windowed polycarbonate NEMA enclosure provides convenient field mount installation of one or two 1/8 DIN mount level controllers or indicators.
The clear windowed polycarbonate NEMA enclosure provides convenient field mount installation of one or two 35mm rail mount level controllers or indicators.
The clear windowed polycarbonate NEMA enclosure provides convenient field mount installation of one or two 1/8 DIN mount level controllers or indicators.
The clear windowed polycarbonate NEMA enclosure provides convenient field mount installation of one or two 35mm rail mount level controllers or indicators.