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Discrete and analog sensors are critical for automating any machine or process. A wide range of reliable, low-cost sensors detects position, speed, proximity, pressure, temperature, level, flow, current, and voltage.
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Sensors / Encoders
A common function of a control system is detecting the presence of an object or measuring a process variable. Sensors and sensing technologies are available to satisfy a wide range of usages, environments, and accuracies needed in industrial and commercial applications.
- Encoders convert rotary or linear motion into an electrical signal that can be used for monitoring and/or controlling the position and speed of a moving object. They are especially useful with automotive, medical, printing, and conveying systems.
- Proximity sensors are non-contact devices that detect the presence of an object once the object enters the sensor's field. Proximity sensors can utilize sound, infrared radiation (IR), or electromagnetic energy to detect an object.
- Photoelectric sensors are also non-contact devices that will detect when its emitted light is interrupted or reflected by an object crossing its path.
- Limit switches are activated when an object makes physical contact with its actuator.
- Linear position sensors detect the position of an object along a linear path.
- Inclination sensors monitor the angular displacement of an object.
- Light grids use light to detect object presence in wider areas or to detect object height.
- Position indicators provide a precise reading of the absolute or incremental position of rotating equipment.
- Pressure sensors and gauges provide reliable measurement of liquid, gas, and air pressures. They are used extensively in pneumatic and hydraulic applications.
- Temperature sensors and transmitters allow for accurate readings in temperature control and monitoring applications, typically employing thermocouples, RTDs, and thermistors.
- Level sensors and controllers monitor and control the amount of product being held in tanks, reservoirs, etc. and offer point level (when the level reaches a specific point) or continuous level sensing.
- Flow sensors measure the amount of fluid passing through them and are able to sense leaks and blockages.
- Vibration detection devices are used to monitor, analyze, and identify vibrations of industrial equipment, which may indicate a malfunction, pending failure, or process restriction.
- Weight / force sensors, like load cells, provide reliable measurement of compression, bending, and tension forces and are vital for weighing applications.
- Current, voltage, and ground fault sensors are used to detect the presence of electrical power or anomalies in electrical circuits before they can cause equipment damage.
For part listing and specifications, go to Shop Now
Encoders
Newest Additions!
- Lika Electronic absolute encoders with EtherNet/IP, EtherCAT®, or ModbusTCP/RTU
- Lika Electronic draw wire encoders
For motion control applications, use these encoders with PLCs, servos, or Variable Frequency Drives (VFDs) that accept encoder feedback.
- Light duty models are cost-effective choices for light shaft loads in less harsh environments
- Medium duty models offer our best range of capabilities and features
- Heavy duty models have beefy construction and rugged bearings for long service life
- Absolute models provide immediate position data upon power-up, which can eliminate the need for homing
- Absolute models use Gray code or EtherNet/IP, EtherCAT®, ModbusTCP, or ModbusRTU communications options
- Modular kit encoders are ready-made for convenient mounting to stepper motors
- Measuring wheel encoders ride directly on a material or conveyor belt to measure distance or speed
- Draw wire encoders provide accurate linear measuring using a retractable stainless-steel draw wire.
- Accessories include couplings, mounting brackets, bore reducer bushings, replacement measuring wheels, cables & connectors
Encoders Overview
Inductive Proximity Sensors
Newest Additions!
- ifm fail-safe inductive sensors
Inductive sensors detect metallic objects. IP69K sensors are rated for harsh duty (food grade) applications; metal face and rectangular proximity sensors offer more options.
- 3mm / 4mm / 5mm tubular
- 6.5 mm tubular
- 8mm tubular
- 10mm tubular
- 12mm tubular
- 18mm tubular
- 30mm tubular
- 50mm tubular
- Rectangular
- Specialty proximity sensors featuring high-temperature and high-pressure resistance, metal chip immunity, fail-safe operation, and maritime ratings
- Cables and accessories
- Select models are made in the USA
Magnetic Proximity Sensors
Magnetic proximity sensors are used for non-contact object detection. They offer very long sensing ranges in a small package, and can detect magnetic objects through walls of non-ferrous metal, stainless steel, aluminum, plastic, or wood.
- 8mm tubular
- 12mm tubular
- 18mm tubular
- Rectangular
Capacitive Proximity Sensors
Capacitive sensors detect both metal and non-metal objects, and can sense through insulating materials such as wood or plastic. They are often used to detect fill levels of liquids, pellets, and powders through container walls.
- 8mm tubular
- 12mm tubular
- 18mm tubular
- 30mm tubular
- 50mm round
- Small rectangular
- Accessories include a variety of mounting brackets, mounting nuts, and adapters
Photoelectric Sensors
Newest Additions!
- Autonics miniature photoelectric sensors
- Wenglor OPT25 series laser distance measurement photoelectric sensors
Photoelectric, laser, fiber optic, and fork sensors allow non-contact detection of objects using red or infrared light, or lasers. Color sensors differentiate objects based on their color, and contrast sensors detect the contrast between the object and its background.
- General-purpose photoelectric sensors
- Miniature photoelectric sensors
- Clear object detection sensors
- Distance measuring sensors
- Discrete distance sensors
- Dark and shiny object detection sensors
- Fiber optic sensors
- Color sensors
- Contrast sensors
- Fork sensors
- Accessories
Ultrasonic Proximity Sensors
Ultrasonic proximity sensors use sound waves to detect object presence and are ideal for applications in which the sensed object is made of clear, transparent, or varying surface color materials.
- 18mm tubular
- 30mm tubular
- Rectangular
- Accessories
Linear Position Sensors
Newest Additions!
- Lika Electronic draw wire encoders
- ProSense linear potentiometers
Linear position sensors attach to an object or piece of machinery and translate the linear position to an electrical signal proportional to the linear displacement of the object. Types include:
- Linear potentiometers
- Variable inductance linear transducers
- Magnetostrictive linear position transducers
- Linear measuring wheel encoders
- Draw wire encoders
Inclination Sensors
Inclination sensors use MEMS technology to provide reliable tilt angle measurement with respect to gravity. These encapsulated IP67/69K rated sensors are shock and vibration-resistant, suitable for use in the harshest environments.
- Basic inclination sensors with integrated cable
- Fully redundant inclination sensors with M12 cable connection
Limit Switches
Limit switches are one of the most common presence sensing devices used in industrial controls, activated when an object makes physical contact with the actuator.
These limit switches feature the most popular actuator styles including:
- Plungers with/without rollers
- Short and adjustable levers with/without rollers
- Steel and plastic rods
- Pull action
Specialty switches include:
- Belt alignment switches
- Heavy-duty cast iron switches
- Precision limit switches
- Snap-action micro switches
- Stopper limit switches
Light Grids
Light grids are multi-beam arrays of photoeyes used to detect presence or measure object height anywhere within the controlled height of the sensor array. They are perfect for detecting various sized and shaped objects passing through the target area. (Not for use as safety light curtains)
- Detection light grids with detection height up to 1580mm
- Measuring light grids with detection height up to 1490mm, blanking function, IO-Link, or analog output
- Accessories
Position Indicators
Position indicators are commonly used in applications such as industrial machinery or robotics, where monitoring the position of a rotating shaft is crucial. They provide real-time information by measuring the angle or degree of rotation and displaying it in a clear and easily readable format.
- Electronic and mechanical models
- Large LCD or roller counter displays
- Electronic models display values in mm, inches, or degrees
- Mechanical models do not require electrical power
- IP65 or IP67 protection ratings suitable for washdown environments
- Spoked handwheels available for precise manual positioning or alignment
Pressure Sensors
Newest Additions!
- Ashcroft B-Series mechanical pressure switches
Pressure switches and sensors measure system pressure for monitoring and control in a wide range of compatible liquid and gas applications. Offerings include:
- Electronic and mechanical pressure switches for simple pressure detection
- Compact pressure and vacuum transmitters
- Digital pressure switches / transmitters with LCD display
- Pressure transmitters with ceramic or stainless steel sensing element
- Hygienic models and models for potable water applications
- DIN-rail or process mounted differential pressure transmitters
- Accessories including siphons, snubbers, and isolation needle valves
Pressure Gauges & Thermometers
- Mechanical dial pressure gauges, in a variety of configurations, display pressure readings in pneumatic, hydraulic, HVAC, plumbing, industrial, and commercial applications
- Digital pressure gauges are ideal for industrial and general-purpose applications requiring an accurate and reliable device with an easy-to-read digital display
- General-purpose dial thermometers have bi-metallic sensing elements for reliable readings
Temperature Sensors & Transmitters
Newest Additions!
- WAGO JUMPFLEX® 857 series high density temperature transmitters
- Endress+Hauser iTHERM and iTEMP series temperature transmitters
Temperature switches, sensors, and transmitters provide accurate temperature monitoring and control.
- Temperature switches
- Digital temperature switches and transmitters
- Thermocouple, RTD, and thermistor probes and sensors
- Temperature transmitters with or without integral sensor
- IO-Link and HART compatible transmitters available
- Infrared pyrometers
- Thermowells and fittings
- Thermocouple wire and RTD extension wire
Level Sensors & Controllers
Level sensors monitor the level of liquids, pellets, powders, and other similar products in tanks and process systems.
- Float level switches
- Ultrasonic level sensors
- Pulsed, guided wave, and frequency modulated continuous wave (FMCW) radar level sensors
- Vibration fork and rod level switches
- Capacitance level switches
- Rotating paddle level switches
- Submersible level sensors
- Differential pressure level transmitters
- Level controllers
- Level sensor accessories
Flow Sensors
Newest Additions!
- ICON Process Controls Truflo® TKM series paddle wheel flow meters
Flow sensors accurately measure the flow rate of a fluid, such as a gas or liquid, in a pipe or conduit and provide reliable feedback for monitoring and control in industrial processes.
- Mechatronic sensors use a spring-supported piston to monitor the flow of liquid media
- Magnetic-inductive flow meters reliably detect the flow rate of conductive media up to 198 gallons per minute
- Thermal flow sensors, with no moving parts, are a reliable alternative to mechanical flow switches
- Vortex flow sensors offer a very cost-effective solution optimized for monitoring water and deionized water flow
- Paddle wheel flow meters count the rotations of a wheel turned by the fluid flow
- Differential pressure flow transmitters accurately measure the pressure drop across a restriction in the flow stream
- Variable area mechanical flow meters provide a visual indication of flow rate for water or petroleum-based fluids
Weight / Force Sensors & Electronics
New!
Load cells convert mechanical force into electrical signals that can be easily measured and displayed and are available in a variety of types to suit different environments and accuracy requirements. Load cells, transmitters and electronics, and mounting accessories deliver reliable performance while solving real-world challenges in weighing applications. Components include:
- Load cells
- Transmitters
- Configuration software
- Controllers and display units
- Equalization junction boxes
- Mounting accessories
Vibration Switches & Transmitters
Vibration sensors help avoid unplanned downtime by providing vibration monitoring of typical industrial machinery for implementing predictive maintenance strategies. ProSense vibration sensors measure the RMS vibration velocity of the device to which it is attached.
- Transmitters offer an analog output for vibration measurement; their IP rating and wide operating temperature range make them ideal for harsh industrial applications
- Switch/transmitter models provide a switch output that operates at a setpoint; an analog output supplies an actual measurement
Current & Voltage Sensors (AC & DC)
Newest Additions!
- AcuAMP 3VACT series three-phase AC voltage transducers
Current and voltage sensors, used for voltage and current monitoring, logging, or proof-of-operation applications, provide discrete or analog output signals compatible with most PLCs, data loggers, and SCADA systems.
- AC 1- and 3-phase current transducers
- DC current transducers
- AC and DC current switches
- AC current indicator
- AC current transducer and switch combinations
- AC current transformers
- AC and DC voltage transducers
- Accessories
Ground Fault Sensors
Newest Additions!
- Dold RN5883 series residual current monitors
- More AcuAMP GFSL series large aperture ground fault sensors
Ground fault sensors help protect people, products, and processes from damage that can be caused by ground fault conditions.
- Wide range of options
- Selectable trip points ranging from 5 mA to 3A
- Relay outputs with Auto or Manual reset
- Analog voltage output available on select models
- For single- and three-phase systems
- Protect personnel, equipment, and meet regulatory requirements
Cloud Data Logger with I/O
Using discrete I/O, analog inputs, and/or Modbus RTU communication, the STRIDE Pocket Portal connects industrial assets including sensors, meters, and Modbus RTU-capable devices to the cloud for data monitoring and control.
STRIDE® Pocket Portal IoT Bridge offers an end-to-end solution for small-count remote data collection.
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