Controllers

Controllers are industrial devices that maintain the output of process variables such as temperature, pressure, flow, or level within a pre-set range. Using feedback from sensors, controllers identify any deviation from a setpoint and automatically adjust output until parameters are back within range. This precise control improves quality control while enabling automation among complex processes. This improves efficiency and safety without requiring additional labor.

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Temperature Controllers ()
BRAND
APPLICATION
Watlow PM PLUS PID & Integrated Limit Controller
Watlow PM PLUS PID & Integrated Limit Controller
Enhanced interface for easier programming and readability, 1/16 DIN or 1/8 DIN (vertical or horizontal) panel mount, Bluetooth compatible.
Some Models in Stock
Starting at $364.00
Emerson PACSystems RX3i PLC
Emerson PACSystems RX3i PLC
PACSystems PLC for rack based programmable logic and automation control.
Some Models in Stock
Starting at $2,909.00
Emerson PACSystems RX3i CPE400 PLC
Emerson PACSystems RX3i CPE400 PLC
PACSystems RX3i standalone PLC with embedded field agent technology.
Starting at $5,920.00
Emerson PACSystems RX3i CPL410 Open Source Edge Controller
Emerson PACSystems RX3i CPL410 Open Source Edge Controller
PACSystems RX3i standalone PLC with open source Linux technology.
Starting at $7,015.00
Watlow F4T Process Controller
Watlow F4T Process Controller
1/4 DIN, color touch screen panel with high resolution graphical user-interface and 1 to 4 control loops.
Some Models in Stock
Starting at $1,043.00
Honeywell UDC2800 Universal Digital Controller
Honeywell UDC2800 Universal Digital Controller
Panel-based temperature controller with Bluetooth and remote connectivity, app-based configuration and backwards compatibility.
Some Models in Stock
Starting at $863.00
Watlow PM Legacy Temperature & Process Controller
Watlow PM Legacy Temperature & Process Controller
Panel mount controller utilizing simple control and menu functionality without complex features.
Some Models in Stock
Starting at $263.00
Fuji Electric PXF4 Temperature Controller
Fuji Electric PXF4 Temperature Controller
Self-tuning 1/16 DIN (48 x 48mm) compact temperature and process controller with 50ms sampling speed.
Some Models in Stock
Starting at $312.00
Fuji Electric PXR3 Temperature Controller
Fuji Electric PXR3 Temperature Controller
Advanced, self-tuning 1/32 DIN temperature and process controller with 16 ramp / soak segments.
Some Models in Stock
Starting at $248.00
Honeywell UDC1200 Universal Controller
Honeywell UDC1200 Universal Controller
Universal input, microprocessor-based 1/16 DIN, universal digital controller, two 4-digit displays.
Some Models in Stock
Starting at $588.00
Honeywell UDC3500 Universal Digital Controller
Honeywell UDC3500 Universal Digital Controller
Single loop and dual loop digital controller with unmatched application power .
Mfg. has some models in stock
Starting at $1,289.00
VEGA VEGAMET 841 Controller
VEGA VEGAMET 841 Controller
Robust controller and display instrument in a field housing for a continuously measuring analog level sensor.
Starting at $841.00
Watlow LV Series Limit Controller
Watlow LV Series Limit Controller
Most basic and economical limit controller.
Starting at $263.00
Emerson PACSystems VersaMax PLC
Emerson PACSystems VersaMax PLC
Modular PLC for standalone control applications with scalable architecture.
Some Models in Stock
Starting at $324.00
Emerson PACSystems RSTi-EP CPE200 Series PLC
Emerson PACSystems RSTi-EP CPE200 Series PLC
Compact PACSystems controller with up to 4MB user memory.
Some Models in Stock
Starting at $1,213.00
VEGA VEGAMET 861 Controller
VEGA VEGAMET 861 Controller
Robust controller and display instrument in a field housing for a continuously measuring digital or analog level sensor.
Starting at $1,182.00
Fuji Electric PXF4 Temperature Controller Socketed
Fuji Electric PXF4 Temperature Controller Socketed
Self-tuning 1/16 DIN (48 x 48mm) compact temperature and process controller with 50ms sampling speed.
Some Models in Stock
Starting at $312.00
Eurotherm 3200 Series Process Controller
Eurotherm 3200 Series Process Controller
Temperature and process controller for precision control with auto-tuning Eurotherm PID control.
Starting at $371.29
Eurotherm Nanodac Graphic Recorder
Eurotherm Nanodac Graphic Recorder
Compact graphic recorder/controller with four high accuracy universal inputs for data recording and PID control.
Starting at $1,498.00
Eurotherm EPC3000 Series Temperature Controller
Eurotherm EPC3000 Series Temperature Controller
Aids optimization of production yield for thermal and other forms of processing.
Starting at $449.09
Yokogawa UT35A & UT32A Advanced Indicating Controller
Yokogawa UT35A & UT32A Advanced Indicating Controller
UTAdvanced digital indicating controller with single-loop control.
Some Models in Stock
Starting at $615.00
Fuji Electric PXF5 Temperature Controller
Fuji Electric PXF5 Temperature Controller
Self-tuning 1/8 DIN (48 x 96mm) compact temperature and process controller with 50ms sampling speed.
Some Models in Stock
Starting at $382.00
Watlow EZ-ZONE RM Control Module (RMC) Multi-Function Controller
Watlow EZ-ZONE RM Control Module (RMC) Multi-Function Controller
1 to 4 loops of control, multi-function high performance controller.
Starting at $278.00
Fuji Electric PXF9 Temperature Controller
Fuji Electric PXF9 Temperature Controller
Self-tuning 1/4 DIN (96 x 96mm) compact temperature and process controller with 50ms sampling speed.
Some Models in Stock
Starting at $418.00
Yokogawa TC10 Temperature Controller
Yokogawa TC10 Temperature Controller
1/16 DIN temperature controller (48mm x 48mm), universal input, 3 configurable alarms.
Starting at $220.00
Watlow F4S Ramping Temperature Controller
Watlow F4S Ramping Temperature Controller
1/4 DIN single channel ramping controller.
Starting at $2,656.00
Watlow Series CV Temperature Controller
Watlow Series CV Temperature Controller
Most basic and economical 1/8-DIN-square limit / temperature controllers.
Starting at $201.00
Fuji Electric PXG Series Temperature Controller
Fuji Electric PXG Series Temperature Controller
Versatile 1/16, 1/8 and 1/4 DIN PID controllers with many input/output points and sophisticated control functions.
Starting at $264.00
Autonics TC Series PID Temperature Controllers
Autonics TC Series PID Temperature Controllers
Relay and SSRP output with 100ms high speed sampling.
Some Models in Stock
Starting at $81.00
Rosemount 3490 Controller
Rosemount 3490 Controller
Comprehensive control functionality for 4–20 mA or HART compatible transmitters.
Starting at $1,290.55
Walchem Intuition-6 Series Flow Controller
Walchem Intuition-6 Series Flow Controller
Water treatment controller with universal sensor input and six relay control outputs.
Starting at $1,122.00
Eurotherm 3500 Series Temperature Controller and Programmer
Eurotherm 3500 Series Temperature Controller and Programmer
Flexible, easy-to-use controller for precision control of temperature and process variables with simple quick start process to configure sensor type, measurement range, control options and alarms.
Starting at $960.00
Watlow EZ-ZONE ST Temperature Controller
Watlow EZ-ZONE ST Temperature Controller
Integrated thermal loop solid state controller.
Starting at $451.00
VEGA VEGAMET 842 Controller
VEGA VEGAMET 842 Controller
Robust controller and display instrument in a field housing for continuously measuring analog level sensors.
Starting at $1,055.00
AquaMetrix AM-2250 Process Controller
AquaMetrix AM-2250 Process Controller
pH, ORP, conductivity & flow parameters available, three control relays for rising or falling processes, easy calibration.
$1,625.00
Walchem Intuition-9 Series Flow Controller
Walchem Intuition-9 Series Flow Controller
Powerful control, WiFi, BACnet, Graph Reports flexible programming, remote access.
Starting at $4,463.00
Yokogawa UT55A & UT52A Indicating Controllers
Yokogawa UT55A & UT52A Indicating Controllers
UTAdvanced digital indicating controller preset with 8 control functions and 8 control algorithms.
Starting at $930.00
VEGA VEGAMET 862 Controller
VEGA VEGAMET 862 Controller
Robust controller and display instrument in a field housing for a continuously measuring digital or analog level sensors.
Starting at $1,418.00
Yokogawa UT32A Basic Indicating Controller
Yokogawa UT32A Basic Indicating Controller
Entry-level digital indicating controller designed for applications that don’t require all the power and functions of the UT Advanced series.
Starting at $365.00
Eurotherm Mini8 Controller
Eurotherm Mini8 Controller
Compact, modular data acquisition device with I/O and feature set for a wide range of applications.
Starting at $920.20
Emerson PACSystems VersaMax Micro 64 Controllers
Emerson PACSystems VersaMax Micro 64 Controllers
Expandable to 176 I/O points, 24 VDC or 120/240 VAC supply voltage.
Mfg. has some models in stock
Starting at $1,471.00
AquaMetrix 2300 Input Controller
AquaMetrix 2300 Input Controller
Multi-parameter 4-20 mA input controller, input for four 4-20 mA sensors of any kind in any combination.
Starting at $2,695.00
VEGA VEGAMET 141 Compact Controller
VEGA VEGAMET 141 Compact Controller
Compact controller and display instrument for a continuously measuring analog level sensor.
Starting at $718.00
Watlow F4D Ramping Temperature Controller
Watlow F4D Ramping Temperature Controller
1/4 DIN dual channel ramping controller.
Starting at $3,116.00
Yokogawa UT35A-L Limit Controller
Yokogawa UT35A-L Limit Controller
UTAdvanced 1/4 DIN indicating limit controller with universal input.
Some Models in Stock
Starting at $615.00
Yokogawa TC10-L Limit Controller
Yokogawa TC10-L Limit Controller
1/16 DIN limit controller (48mm x 48mm), universal input.
Some Models in Stock
Starting at $365.00
Eurotherm Piccolo Series Process Controller
Eurotherm Piccolo Series Process Controller
General purpose temperature and process controller with precision PID control.
Starting at $350.96
Autonics TK Series Temperature Controller
Autonics TK Series Temperature Controller
PID temperature controller realizes more powerful controlling with super high-speed sampling cycle of 50ms and ±0.3% display-accuracy.
Some Models in Stock
Starting at $137.00
Watlow EZ-ZONE RM High-Density Control Module (RMH) Controllers
Watlow EZ-ZONE RM High-Density Control Module (RMH) Controllers
4 to 16 loops of control, multi-function high performance controller.
Starting at $1,121.00
Emerson PACSystems CPE100 / CPE115 PLC
Emerson PACSystems CPE100 / CPE115 PLC
PACSystems RSTi-EP PLC for standalone programmable logic and automation control.
Some Models in Stock
Starting at $1,637.00
Watlow EZ-ZONE RM Limit Module (RML) Multi-Function Controllers
Watlow EZ-ZONE RM Limit Module (RML) Multi-Function Controllers
4 to 12 safety limits, PID control loops, over/under temperature limit control loops.
Starting at $679.00
Autonics TCN Series Temperature Controllers
Autonics TCN Series Temperature Controllers
Economical temperature controllers with dual preset indicator display to increase user convenience.
Some Models in Stock
Starting at $114.00
Emerson PACSystems VersaMax Micro 14 Controllers
Emerson PACSystems VersaMax Micro 14 Controllers
Customizable logic controller with up to 14 I/O built-in (expandable to 126 I/O) points.
Mfg. has some models in stock
Starting at $526.00
Autonics TC3YT Temperature Controller
Autonics TC3YT Temperature Controller
Cost-effective and simple to use temperature and on/off controller.
Some Models in Stock
Starting at $93.00
Emerson PACSystems VersaMax Micro 28 PLC
Emerson PACSystems VersaMax Micro 28 PLC
Built-in 28 points to fast cycle times, two built-in serial points, robust instruction set, expandable to 140 I/O points.
Mfg. has some models in stock
Starting at $860.00
VEGA VEGAMET 341 Built-In Controller
VEGA VEGAMET 341 Built-In Controller
Built-in controller and display instruments for a continuously measuring analog level sensor.
Starting at $781.00
Watlow EZ-ZONE RM Access Module Multi-Function (RMA) Controllers
Watlow EZ-ZONE RM Access Module Multi-Function (RMA) Controllers
Communication protocol options, data logging and automatic configuration backup.
Starting at $242.00
Eurotherm EPC2000 Temperature Controller
Eurotherm EPC2000 Temperature Controller
Programmable single loop temperature and process controller for precise control and measurement performance.
Starting at $428.00
Watlow EZ-ZONE RM Scanner Module (RMS) Multi-Function Controller
Watlow EZ-ZONE RM Scanner Module (RMS) Multi-Function Controller
4 to 16 auxiliary analog inputs, multi-function high performance controller.
Starting at $508.00
Honeywell UDC1700 Universal Controller
Honeywell UDC1700 Universal Controller
Universal input, microprocessor-based 1/8 DIN, universal digital controller, two 4-digit displays.
Starting at $922.00
Watlow EZ-ZONE RM Expansion Module (RME) Multi-Function Controllers
Watlow EZ-ZONE RM Expansion Module (RME) Multi-Function Controllers
Additional inputs and outputs and higher amperage outputs, multi-function high performance controller.
Starting at $230.00
Extech VFL Series Temperature PID Controllers
Extech VFL Series Temperature PID Controllers
Fuzzy Logic PID, Auto Tuning, and Soft Start.
Mfg. has some models in stock
Starting at $244.00
Watlow WATCONNECT Temperature Control Panel
Watlow WATCONNECT Temperature Control Panel
Applications from 1kW to 5 MW, suited for heaters, sensors and temperature control and power control products.
Call for pricing
Autonics TX4S Series Temperature Controller
Autonics TX4S Series Temperature Controller
1/16 DIN (48x48mm), LCD display, PID control, ±0.3% display accuracy, 50ms high-speed sampling cycle.
Some Models in Stock
Starting at $120.00
Emerson PACSystems VersaMax Micro 23 PLC
Emerson PACSystems VersaMax Micro 23 PLC
23 discrete I/O and two analog input and one analog output built-in, expandable to 135 I/O points.
Mfg. has some models in stock
Starting at $1,440.00
Autonics TA Series Temperature Controllers
Autonics TA Series Temperature Controllers
Analog temperature controller provides convenient & precise control with MICOM & PID algorithm.
Starting at $55.00
AquaMetrix 2250TX Series Process Transmitter
AquaMetrix 2250TX Series Process Transmitter
pH, ORP, conductivity & flow parameters available, easy calibration.
$1,020.00
AquaMetrix AM-2252 Dual Input Controller
AquaMetrix AM-2252 Dual Input Controller
pH, ORP, conductivity & ISE parameters available on both channels, 1 point calibration for pH.
$1,995.00
Watlow F4P Temperature Controller
Watlow F4P Temperature Controller
1/4 DIN high performance controller offers versatility in process / temperature applications.
Starting at $2,287.00
Watlow EZ-ZONE RMA PLUS Remote Access Module
Watlow EZ-ZONE RMA PLUS Remote Access Module
Communications, data logging and storage for all EZ-ZONE RM modules in a system.
Starting at $661.00
Flowline LC4 / LC9 Series Switch Pro Remote Level Controller
Flowline LC4 / LC9 Series Switch Pro Remote Level Controller
Three configurations for pump and valve control, fail-safe relay control of pumps or valves with 0-60 second delay.
Starting at $310.00
Emerson PACSystems VersaMax Micro 40 Controllers
Emerson PACSystems VersaMax Micro 40 Controllers
Expandable to 152 I/O points, Supports up to 4 analog expansion units, 24K logic memory.
Mfg. has some models in stock
Starting at $1,078.00
Fuji Electric PXF Series VMD Temperature Controllers
Fuji Electric PXF Series VMD Temperature Controllers
1/16, 1/8, and 1/4 DIN valve motor drive controllers with 50ms sampling speed, position feedback option available.
Starting at $532.00
Fuji Electric PXH Temperature Controller
Fuji Electric PXH Temperature Controller
High-speed and high-performance 1/4 DIN process and temperature controller.
Starting at $909.00
Eurotherm 2604 Process Controller
Eurotherm 2604 Process Controller
Advanced 1/4 DIN plug-in, high stability temperature and process controller and programmer in a single, dual, or triple loop format.
Starting at $1,724.84
Walchem W100W pH / ORP / Con / Disinfection Flow Controller
Walchem W100W pH / ORP / Con / Disinfection Flow Controller
Flexible flow controller with three control outputs.
Starting at $713.00
Yokogawa UP55A Profile Controller
Yokogawa UP55A Profile Controller
14-segment large color LCD display, ladder sequence function, navigation keys.
Starting at $1,365.00
Eurotherm 2704 Process Controller
Eurotherm 2704 Process Controller
Highly accurate and stable advanced temperature controller available in a single, dual, or triple loop format.
Starting at $2,844.06
APG DCR-1006A Controller
APG DCR-1006A Controller
Capable stand alone controller with 4 Relays & signal outputs for select APG Modbus level sensors.
$839.00
Emerson PACSystems VersaMax Micro 20 Controllers
Emerson PACSystems VersaMax Micro 20 Controllers
Expandable to 132 I/O points, serial expansion ports come with two analog input channels.
Some Models in Stock
Starting at $630.00
Emerson PACSystems CPS400 Safety Controller
Emerson PACSystems CPS400 Safety Controller
SIL2 safety controller for metro, emergency shutdown systems, fire and gas, as well as burner management systems.
Starting at $7,759.00
Flowline DeltaView LI55 Level Controller
Flowline DeltaView LI55 Level Controller
The Flowline DeltaView LI55 Level Controller displays engineering units with one 4 to 20 mA or 0 to 10 VDC continuous level sensor input.
Starting at $735.00
Emerson PACSystems PACSafe Configurable Safety Controllers
Emerson PACSystems PACSafe Configurable Safety Controllers
Safety solution designed for machine automation applications, with intuitive, icon-based programming, drag-and-drop configuration, and integrated online help.
Starting at $1,130.00
Flowline DataPoint LC52
Flowline DataPoint LC52
Single Tank Level Indicator with 2 relays, 1 to 3 set points and an isolated analog repeater.
$545.00
VEGA VEGAMET 342 Built-In Controller
VEGA VEGAMET 342 Built-In Controller
Built-in controller and display instrument for two continuously measuring analog level sensors.
Starting at $993.00
Eurotherm P304 Series Indicator / Controller
Eurotherm P304 Series Indicator / Controller
Melt pressure indicator and controller with wide range of hardware options for all types of plastic processing including extrusion and injection molding.
Starting at $785.38
Watlow Series CLS200 Loop Controller
Watlow Series CLS200 Loop Controller
PID control of up to 16 heat and cool loops, auto-tune, and 34 digital outputs.
Starting at $2,889.00
ICON LevelPro ITC 450 Industrial Controller
ICON LevelPro ITC 450 Industrial Controller
Large 4 digit LED display, RS-485 communications, ±0.1 % FS accuracy.
Starting at $764.86
Yokogawa UP35A Profile Controller
Yokogawa UP35A Profile Controller
UTAdvanced program controller with 2 programs and 20 segments standard, additional optional.
Starting at $775.00
VEGA VEGAMET 142 Compact Controller
VEGA VEGAMET 142 Compact Controller
Compact controller and display instrument for two continuously measuring analog level sensors.
Starting at $931.00
Omega Part Number Conversion Charts
Omega Part Number Conversion Charts
Call for pricing
Autonics TM Series Temperature Controllers
Autonics TM Series Temperature Controllers
Multi-channel module type PID temperature controllers for high-speed controlling with superior sampling cycle.
Starting at $315.00
Florite 991R Single Channel Process Controller
Florite 991R Single Channel Process Controller
Advanced single channel microcomputer-based controller perfect for a wide range of commercial and industrial applications.
Starting at $593.41
Walchem W100W Cooling Tower / Boiler Flow Controller
Walchem W100W Cooling Tower / Boiler Flow Controller
Flexible flow controller with three control outputs.
Starting at $713.00
Florite 990X Multi-Channel Process Controller
Florite 990X Multi-Channel Process Controller
A reliable microcomputer-based controller suitable for any commercial or industrial process control application.
Starting at $1,130.95
Yokogawa UT75A Digital Indicating Controller
Yokogawa UT75A Digital Indicating Controller
Enhanced performance, usability, and flexibility for advanced control needs in a wide variety of applications.
Starting at $1,830.00