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Optical Rotary Encoders
Inductive Proximity Sensors / Proximity Switches
Photoelectric Sensors
Fiber Optic Sensors
Magnetic Proximity Sensors
Capacitive Proximity Sensors
Ultrasonic Sensors
Pressure Sensors
Pressure Gauges & Thermometers
Temperature Sensors & Transmitters
Level Sensors
Current Sensors (AC & DC)
Ground Fault Sensors
Limit Switches

Sensors, Encoders and Limit Switches, Pressure Gauges and Thermometers

  • Proximity Sensors / Position Sensors:
    Proximity Sensors, Proximity Switches, Photoelectric Sensors, Photo Eyes, Fiber Optic Sensors, Ultrasonic Sensors

  • Pressure Sensors and Pressure Gauges:
    Pressure Switches, Pressure Transmitters, Dial Pressure Gauges, Vacuum Transducers

  • Temperature Sensors and Thermometers:
    Temperature Switches and Transmitters, Thermocouple Probes/Sensors, RTD Probes/Sensors, Thermowells, Dial Thermometers

  • Current Sensors:
    AC and DC Current Sensors, Current Transducers, AC Current Indicator

  • Ground Fault Sensors
    Protect your people and equipment from ground faults

  • Limit Switches:
    Heavy-Duty, Double-Insulated and Compact Limit Switches

  • Encoders:
    Incremental and Absolute Encoders
Industrial Sensors
Industrial Sensors, Switches, Encoders, Gauges and Thermometers at Discount Prices!
(with free tech support and a 30-day money-back guarantee)
AutomationDirect has the proximity sensors, photoelectric sensors and limit switches you need to sense the presence of objects in a variety of applications.
Our high-quality line of proximity switches and limit switches come from high-tech European manufacturers with years of experience developing and supplying reliable industrial sensors.

Sensors, Encoders, Limit Switches, Pressure Gauges and Thermometers

Inductive Proximity Sensors/ Proximity Switches

Inductive Proximity Sensors
Inductive sensors detect metallic objects. IP69K sensors are rated for harsh duty (food grade) applications; new metal face and rectangular proximity sensors offer more options.
  • 3mm / 4mm / 5mm round (PY/ PD1 Series)
  • 8mm round (AE / PEW Series)
  • 12mm round (AM/ VM1/ PMW/ PBM Series)
  • 12mm round IP69K (PFM1 Series)
  • 18mm round (AK/ VK1/ PKW/ PBK Series)
  • 18mm round IP69K (VFK1/ PFK1 Series)
  • 30mm round (AT/ VT1/ PTW/ PBT Series)
  • 30mm round IP69K (VFT1/ PFT1 Series)
  • Rectangular (CR/ DR/ APS / LF40 Series)
  • Cables & Accessories

Photoelectric Sensors/Photoelectric Switches

Photoelectric Sensors
Photoelectric sensors and photo eyes allow non-contact detection of objects using red or infrared guided light. New IP69K sensors are rated for harsh duty (food grade/ washdown) applications.
  • High Performance AC/DC
  • Light Screens (BX Series)
  • DC rectangular (QX/ CX/ FE Series)
  • AC rectangular (FG Series)
  • 5mm round - Stainless (C5 Series)
  • 8mm round - Metal (HEE/ HER Series)
  • 12mm round - Metal (DM Series)
  • 18mm round - Metal (C18 Series)
  • 18mm round - IP69K (FF Series)
  • 18mm round - NonMetal(MS/SS/FA/FARS/FB
  • 18mm cube - NonMetal (GX Series)
  • 18mm AC powered (MQ / MV Series)

Fiber Optic Sensors

Fiber Optic Sensors
Supreme noise protection and small sizes for tough applications. 18mm round and DIN-rail amplifiers. 4mm, 6mm and 7mm fiber heads available. 2.2mm cuttable plastic fibers.
  • 18mm round amplifiers (SSF Series)
  • Rail amplifiers (DFP/ DFT Series)
  • Cuttable fiber sensors (CF Series)
  • Cables & accessories

Magnetic Proximity Sensors

Magnetic Proximity Sensors
316L stainless steel housing, IP69K prox sensors rated for food and beverage or other harsh duty applications.
  • 12mm round IP69K (MAFM Series)
  • 18mm round IP69K (MAFK Series)

Capacitive Proximity Sensors

Capacitive Proximity Sensors
Inductive sensors detect metallic objects, while capacitive sensors detect all other materials.
  • M12 (12mm) Diameter – DC Power ... New!
  • M18 (18mm) Diameter – DC Power ... New!
  • M30 (30mm) Diameter – DC, AC/DC Power
  • Rectangular – DC Power ... New!
  • ZIPport Multi-Port Junction Blocks
  • Field Wireable Connectors and T-Couplers
  • Accessories

Ultrasonic Sensors

Ultrasonic Sensors
Ultrasonic sensors are ideal for applications in which the sensed object is made of clear, transparent or varying surface color materials.
  • 18mm round (SU Series)
  • 18mm round (UK Series) ... New!
  • 30mm round (TU Series)
  • 30mm round (UT Series) ... New!
  • Discrete and analog outputs available
  • 100 to 3500mm adjustable sensing ranges
  • Miniature, rectangular sensors for limited mounting spaces
  • Ultrasonic liquid level sensors ... New!

Pressure Sensors

Pressure Sensors / Pressure Switches
ProSense pressure switches and pressure sensors are designed to monitor system pressure in hydraulic and pneumatic applications and vacuum systems.
  • PSD series electronic pressure switches
  • PTD Series compact pressure and vacuum transmitters
  • QPS Series digital switches / transmitters with LCD display ... New!
  • SPT25 Series pressure transmitters with stainless steel sensing element ... New!
  • DPTA Series differential pressure transmitters ... New!

Pressure Gauges and Thermometers

Pressure Gauges & Dial Thermometers
  • ProSense mechanical G15, G20, G25 Series Dial Pressure Gauges are available in a variety of configurations for displaying pressure readings in most pneumatic, hydraulic, HVAC, plumbing, industrial and commercial applications.
  • General purpose 3" dial and 5" dial, 304 stainless steel thermometers have bi-metallic sensing elements for reliable readings and are back mount (3" dial) or adjustable angle (5" dial) with 1/2" NPT connection

Temperature Sensors/ Temperature Switches

Temperature Sensors & Transmitters
ProSense temperature switches, sensors, transmitters, thermowells, and thermocouples provide accurate temperature monitoring and control.
  • Temperature switches
  • Thermocouple probes and sensors, RTD temperature probes and sensors
  • Temperature Transmitters (with Integral Sensor)
  • Temperature Transmitters (Thermocouple Input) ... New!
  • Temperature Transmitters (RTD Input) ... New!
  • Programmable Temperature Transmitters (T/C or RTD Input) ... New!
  • TTD-20 Series temperature transmitters with M12 quick-disconnect for fast mounting
  • Thermowells and fittings
  • Thermocouple wire and RTD extension wire

AcuAMP Current Sensors

Current Sensors (AC & DC)
The AcuAMP family of high performance AC and DC current sensors offers outstanding features, flexibility and durability at incredible prices.
  • AC current transducers
  • AC current transducers - true RMS
  • DC current transducers
  • AC current switches - single and multi range
  • AC current switches with time delay
  • DC current switches
  • AC current indicator

AcuAMP Current Switches/ Current Sensors

Ground Fault Sensors
AcuAMP ground fault sensors help protect people, products, and processes from damage that can be caused by ground fault conditions.
  • Wide range of options
  • Jumper-selectable setpoints of 5, 10, 30 mA
  • Relay outputs with Auto or Manual reset
  • Use on single- and three-phase systems
  • Use up to 14 AWG copper wires
  • Protect personnel, equipment and meet regulatory requirements

Limit Switches

Limit Switches
Our limit switches feature the most popular actuator styles (plungers, short and adjustable levers with rollers, and steel and plastic rods) and a wide variety of cable entry options.
  • Compact limit switches (AEM2G Series)
  • Heavy duty IEC limit switches (ABM Series)
  • Double insulated (PBT) limit switches (ABP Series)
  • Miniature double insulated (PBT) limit switches (AAP Series)
  • Additional lever arms/ spare parts & accessories

Encoders

Incremental and Absolute Encoders
Use these optical encoders for your motion control applications or with our PLC high-speed counter modules and our Variable Frequency Drives (VFDs) with encoder feedback.
  • TRD-MX Series light duty 4mm solid shaft ... New!
  • TRD-S Series light duty 6mm solid shaft
  • TRD-SH Series light duty 8mm hollow shaft
  • TRDA-2E Series light duty solid shaft SAE-dimension ... New!
  • TRD-N Series medium duty solid shaft
  • TRD-NH Series medium duty hollow shaft
  • New! ... TRD-N Series and TRD-NH Series now up to 5000 pulses per revolution
  • TRDA-20 Series medium duty solid shaft SAE-dimension ... New!
  • TRDA-25 Series medium duty solid shaft SAE-dimension with MS connector ... New!
  • TRD-GK Series heavy duty standard shaft
  • TRD-NA Series absolute medium duty standard shaft
  • Accessories (couplings, mounting brackets, cables & connectors)
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