Switch / Relay Output Flow Controllers

28 Results
Air Flow Switch -- AFS
from Thermon, Inc

The Caloritech ™ AFS Air Flow Switch is used as an interlock to ensure sufficient air movement before a duct heater can be energized. The pressure differential switch must be installed on a vertical surface. [See More]

  • Control Signal: Switched Output
  • Control: Limit
182988 [SL5101 from ifm efector inc.]
from RS Components, Ltd.

Working on the calorimetric principle these sensors have a working range of 1 to 10m/sec (air velocity) and can be set to give an output signal should the airflow drop below the preset level. Suitable for monitoring in HVAC applications. LED status indication of power/airflow. Insertion depth, 32mm... [See More]

  • Control Signal: Switched Output
182994 [SL0301 from ifm efector inc.]
from RS Components, Ltd.

Working on the calorimetric principle these sensors have a working range of 1 to 10m/sec (air velocity) and can be set to give an output signal should the airflow drop below the preset level. Suitable for monitoring in HVAC applications. LED status indication of power/airflow. Insertion depth, 32mm... [See More]

  • Control Signal: Switched Output
2497406 [423918 from Burkert Fluid Control Systems]
from RS Components, Ltd.

The principle of operation is when a liquid flows through the pipe, the paddle wheel in the fitting (S030 Flow Adaptor -available separately) is set in rotation inducing a measuring frequency in the transducer, which is proportional to the flow. The transmitter module will then operate and display... [See More]

  • Control Signal: Switched Output; Pulse / Frequency
257076 [FS15A from Cynergy3 Corp.]
from RS Components, Ltd.

Flow switch series from Cynergy3. These flow switches are reed switch based and can monitor the flow of liquids up to 10bar in pressure. This series of flow switches can be mounted horizontally or vertically and have minimal flow restriction. Flow switches are ideally used in water but can be used... [See More]

  • Control Signal: Switched Output
Batch Controller -- Nova-Flow
from Hoffer Flow Controls, Inc.

The Nova-Flow Series of flow computers is a family of highly flexible, modular flow computers designed for basic rate and total flow display, batch control for liquid and gas flow measurement, as well as for thermal energy measurement. With more than 500,000 unique configurations possible, the... [See More]

  • Control Signal: Current Loop Output; Switched Output; Pulse / Frequency; Serial / Digital (optional feature); RS232/485
  • Features: PLC; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
  • Control: Linear
  • Form Factor: Chassis
Flow Alert Single Sensor Controller -- FLCN-101
from OMEGA Engineering, Inc.

OMEGA ’s flow alert calls attention to alarm conditions. For operator alert to low flow conditions, the flow alert offers an excellent solution to this problem. An amber lens distributes the high intensity strobe light in a pattern which calls immediate attention to alarm conditions. The... [See More]

  • Control Signal: Switched Output
  • Features: Rate Indication/ Control
  • Control: Limit
  • Inputs: 1
Alarm Control -- Model 661
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]

  • Control Signal: Switched Output
  • Features: Rate Indication/ Control
  • Control: Limit
  • Type: Current Loop (Transmitter) Excitation
GRT Series
from Great Plains Industries, Inc.

CSA & CE approvals, NEMA 4X front panel [See More]

  • Control Signal: Switched Output
  • Features: Datalogger; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
  • Control: Limit
  • Form Factor: Chassis
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
  • Features: Multi-Function; Datalogger; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
  • Control: Limit
  • Form Factor: Chassis
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: Laboratory
  • Features: PLC; Multi-Function; Datalogger; Is a Chart Recorder; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
Process Controller -- SX25
from Spirax-Sarco

The SX25 controllers are 1 /16 DIN panel mounted, suitable for constant set point applications and for use with the Spirax Sarco range of pneumatic (PN) and electric (EL) control valves and sensors. [See More]

  • Control Signal: Current Loop Output; Switched Output
  • Form Factor: Chassis; DIN
  • Control: Limit; Linear; PID
  • Interface: Digital Front Panel
Controller -- SMAC
from Bijur Delimon International

Application. The SMAC Controller is a multi-purpose programmable controller used with industrial lubrication systems. Controller settings are saved whenever power is interrupted. Up to four operating modes can be selected which allows the controller to be used with various lubrication system... [See More]

  • Control Signal: Current Loop Output; Switched Output
  • Control: Limit
  • Controller Type: Lubrication
  • Features: Rate Indication/ Control
Flow Switch Remote Controller -- LVCN-141 / LVCN-131
from OMEGA Engineering, Inc.

APPLICATION The LVCN-141 flow switch controller is commonly used as a low flow shut off for pumps or process protection with a single switch input. The LVCN-131 flow switch controller is commonly used as a dual low flow shut off for pumps or process protection with two independent switch inputs. [See More]

  • Control Signal: Switched Output
  • Form Factor: Stand-Alone
  • Control: Limit
  • Interface: Switches
Liquid Level Trip Control -- Model 660
from Time Mark Corporation

The Model 660 Trip Control, part of the 600 series line of instrumentation controls, is designed to monitor and maintain a set level on a measurable variable, such as liquid level, temperature, pressure, flow, etc. A user-provided 4-20mA current loop represents the measurable application. Two trip... [See More]

  • Control Signal: Switched Output
  • Features: Rate Indication/ Control
  • Control: Limit
  • Type: Current Loop (Transmitter) Excitation
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
  • Features: Multi-Function; Datalogger; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
  • Control: Limit
  • Form Factor: Chassis
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: Laboratory
  • Features: PLC; Multi-Function; Datalogger; Is a Chart Recorder; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
Process Controller -- SX75
from Spirax-Sarco

The SX75 controllers are panel mounted, suitable for constant set point control of systems having fixed pre-programmed set points. The controller has universal inputs, and outputs using PID with Fuzzy algorithm for close control of industrial processes. The SX75 controllers are for use in... [See More]

  • Control Signal: Current Loop Output; Switched Output
  • Form Factor: Chassis; DIN
  • Control: Limit; Linear; PID; Fuzzy Logic
  • Interface: Digital Front Panel
Controller -- SMC
from Bijur Delimon International

Application. The SMC Controller is available in various timer and divider valve cycle count-based models, with adjustable on and off ranges to control electric motor-driven lubrication systems. The controller has the ability to detect abnormal operating situations. The unit has a lapsed time... [See More]

  • Control Signal: Analog Voltage Output; Switched Output
  • Control: Limit; Linear
  • Controller Type: Lubrication
  • Features: Rate Indication/ Control
Single Sensor Level Controller -- LVCN-140
from OMEGA Engineering, Inc.

The LVCN-140 single sensor controller provides a high or low sensor alarm function with a single sensor input. With a range of dampening adjustments, this controller can compensate for relay chatter. It conveniently mounts to a standard EN50 022 DIN rail and utilizes a 10 amp relay. All functions... [See More]

  • Control Signal: Switched Output
  • Form Factor: Rack
  • Control: Limit
  • Interface: Switches
Multi-Stage Alternator -- Model 441-120
from Time Mark Corporation

The Model 441 Multi-Stage Alternator is designed to control the operating sequence of multi-stage motor/pumping systems. It can also be used to maintain the desired level of pressure-on air compressor systems. Four motor select DIP switches located on the front panel allow the alternator to control... [See More]

  • Control Signal: Switched Output
  • Control: Limit
  • Controller Type: Controls Operating Sequence
  • Features: Rate Indication/ Control
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
  • Features: PLC; Datalogger; Is a Chart Recorder; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
  • Control: Limit
  • Form Factor: Board; Chassis; PCB Mount
Process Controller -- SX80
from Spirax-Sarco

The SX80 controller is a 1/16 DIN panel mounted unit, suitable for single and multiple set point applications utilising the Spirax Sarco range of pneumatic or electric control valves and electrical and electropneumatic instruments. The SX80 has both VMD (3 point) and analogue (4 - 20 mA) outputs in... [See More]

  • Control Signal: Current Loop Output; Switched Output
  • Form Factor: Chassis; DIN
  • Control: Limit; Linear; PID
  • Interface: Digital Front Panel
Controller -- SMDC
from Bijur Delimon International

Application. The SMDC Mobile Controller is a multi-purpose programmable controller used with on-board mobile lubrication systems. The unit is energized by the vehicle or machine ’s ignition switch. Controller settings are saved whenever power is interrupted. Up to four operating modes can be... [See More]

  • Control Signal: Analog Voltage Output; Switched Output
  • Control: Limit; Linear
  • Controller Type: Lubrication
  • Features: Rate Indication/ Control
Multi-Stage Alternator -- Model 442-120
from Time Mark Corporation

The Model 442 Multi-Stage Alternator is designed to control the operating sequence of multi-stage motor/pumping systems. It can also be used to maintain the desired level of pressure-on air compressor systems. Four motor select DIP switches located on the front panel allow the alternator to control... [See More]

  • Control Signal: Switched Output
  • Control: Limit
  • Controller Type: Controls Operating Sequence
  • Features: Rate Indication/ Control
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: Laboratory
  • Features: PLC; Multi-Function; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
Process Controller -- SX90
from Spirax-Sarco

The SX90 is a panel mounted 1/8th DIN controller, suitable for constant set point control of systems having fixed pre-programmed set points. The controller has universal inputs, and outputs using PID for close control of industrial processes. The SX90 controller is for use with the Spirax Sarco... [See More]

  • Control Signal: Current Loop Output; Switched Output
  • Form Factor: Chassis; DIN
  • Control: Limit; Linear; PID
  • Interface: Digital Front Panel
Controller -- SS2200
from Bijur Delimon International

Application. The SS2200 Remote Controller is a microprocessor-based programmable controller specifically designed to control single line and dual line centralized lubricating systems. The remote controller will operate on time or machine cycles and will control electric or motor-driven lubricators. [See More]

  • Control Signal: Analog Voltage Output; Switched Output
  • Control: Limit
  • Controller Type: Lubrication
  • Form Factor: Chassis