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Robust and highly reliable, Contrinex inductive sensors are the fit-and-forget choice for non-contact detection of metallic targets at distances up to 65mm.

  • Practically indestructible full-metal sensors for extreme conditions
  • Subminiature sensors with full-size functionality
  • Sensors with 4x standard operating distance
  • Outstandingly durable sensors for high cyclic pressures (peak: 1000 bar / 14510 psi)
  • Highly accurate analog output sensors for distance control
  • Full-metal sensors with Factor 1 on steel and aluminum
  • Sensors to withstand high temperatures (up to 230°C /446°F)
  • Ecolab-approved sensors
  • Smallest self-contained miniature inductive sensors on the market
  • M12 full-metal sensors with increased operating distance (15 mm)
  • Flexible cubic sensors with rotatable active face
  • Weld-immune full-metal sensors
CONTRINEX Temperature Resistant up to 120°C (248°F) Inductive Sensor Distributor


If you are looking for CONTRINEX Products, please call us on (800) 894 - 0412 or email us at info@clrwtr.com we will do our best to help you find the proximity sensors that you are looking for at the most competitive prices possible. If you are searching for Inductive light screen technical information (data-sheets) please use the datasheets or product selection guide page links.


A reflex, or reflective, photoelectric sensor contains a transmitter and a receiver in a single housing, and emits a pulsed, focused light beam toward a distant reflector.

  • Smallest self-contained subminiature sensors on the market
  • Excellent suppression of light-colored backgrounds
  • Highly accurate laser sensors
  • Analog output sensors for precise distance control
  • Sensors with short housings and 90° sensing
  • Wide range of fiber-optic amplifiers, including IO-Link
  • Fiber-optic solutions for the most demanding environments
  • Through-beam sensors for longest sensing ranges
  • Excellent color recognition sensors
  • Ecolab-approved sensors with Plexiglas window for food industry
  • Color sensors
  • Fiber-optic amplifier with IO-Link
CONTRINEX Cubic Small Photoelectric Sensor for Demanding Applications Distributor



Robust and extremely versatile, Contrinex capacitive sensors detect position or presence of conductive and non-conductive materials, including liquids, pastes and bulk solids. Capacitive technology permits detection of targets through thin non-metallic barriers, ideal for controlling packaging and filling processes. Capacitive sensors generate electrostatic fields that change as a target approaches. The target material increases the sensor capacitance, triggering an internal oscillator at the pre-set sensing distance.

  • Detection of virtually all target materials
  • Easy adjustment with potentiometer and LED
  • Detection through non-metallic pipes and containers
  • Sensors for use in harsh chemical environments
  • Reliable level control of sticky and viscous materials
  • Sensors with hygienic, FDA-compliant, PTFE housings
CONTRINEX Capacitive Proximity Switches Distributors


Contrinex ultrasonic sensors provide reliable, non-contact detection of solid, liquid, granular or powdered materials in air, tolerating precipitation, humidity, dust and fumes.

  • Detection independent of target material, color, shape or surface
  • Ready-to-use cylindrical sensors with integral connector
  • Easy adjustment by either potentiometer or teach-in
  • Dual output sensors, including analog and digital
  • High resolution analog output, current or voltage
  • Normal length or short housings and 90° sensing
  • Reduced blind zone
  • High excess gain - insensitive to dirt and ambient noise
  • Ø12 sensors for applications with limited space
  • Ø12 sensors with external teach
  • Ø12 sensors with analog output
CONTRINEX Ultrasonic Proximity Sensors Distributors


Light Screens & Access Control Barriers

Safetinex light curtains and access control barriers have been designed by Contrinex to offer high quality safeguarding solutions for both personnel and machinery. The range comprises highly sensitive Type 4 devices for finger, hand and access protection in various lengths. For use in rough environments, all types are available with improved degree of protection IP67/IP69K and operating temperatures as low as -35°C.

Safetinex products meet the applicable international safety standards and have obtained the required product certification for use in the European Union, the United States of America and all other countries where the applicable IEC standards have been adopted. Safetinex light curtains and access control barriers feature the highest safety level, i.e. they correspond to Safety Category 4, PL e according to EN/ISO 13849-1 (former EN 954-1) and Type 4 according to IEC 61496-1 and -2. A full range of accessories is available for mounting, aligning and integration into your automation system.

CONTRINEX Safetinex YBB Safety Light Curtains Distributors

Light Screens & Access Control Barriers


Contrinex low-frequency RFID technology features not only conventional components, but also a range of all-metal read/write modules and transponders executed in stainless steel. These devices are particularly well suited for difficult operating environments that are exposed to cleaning, chemical products, water and frost. They are moreover highly resistant to mechanical shocks.

Contrinex high-frequency RFID technology (13.56 MHz) meets the requirements of ISO/IEC 15693 and is therefore not limited to transponders of a specific manufacturer. The new Contrinex high-frequency system is moreover particularly user friendly. Up to 10 read/write modules can be connected to the RS485 network and controled directly by a PC via a USB adaptor developed by Contrinex. The physical address of the read/write module can be defined by means of a built-in selector.

CONTRINEX Low-Frequency Radio Frequency Identification Systems (RFID) Distributors
Radio Frequency Identification Systems


To ensure you have the right cables and cable connectors for your application, we offer a range of products that are not only quick and easy to use, but also tailored to your needs. Impervious and cleaning resistant cable sets are available for applications that require an intensive wash-down. ECOLAB certified cables and connectors are also provided to meet food-safe application requirements. Use our connectors, cables and distribution boxes for speedy setup times and optimum system implementation.

  • Comprehensive cable and connector program
  • IP 69K and Ecolab-tested cables for the food and beverage industry
  • UL-approved cables and connectors
  • Cables with straight or right-angle sockets
  • Distribution boxes
  • Field-attachable connectors
  • T-connectors
  • User-friendly standard portfolio
CONTRINEX Cables, Connectors & Distribution Boxes Distributors



Laser diffuse sensors with background suppression have an excellent detection accuracy. The narrowly focused beam with its easily visible light spot results in a clearly defined, largely contrast-independent switch point.

Laser reflex sensors have an excellent beam quality, thereby guaranteeing a precise switch point anywhere between the emitter and the reflector. Even very small objects can be detected without problem.

Laser diffuse sensors with analog output are ideal for contact-free and quick distance measuring. Their small but visible light spot permits a clear definition of the measuring point.

Contrinex Series 5050L Laser Switches Distributors
Laser Switches

Contrinex inductive ring sensors are available in various sizes, and consequently suitable for a large range of applications. They feature a very robust, compact and universally mountable housing with integrated electronics. They are used mainly in assembly technology. In automated supply applications, they detect small metal parts in feeder tubes, and in the food industry, they guarantee the absence of metal parts in fluids, pastry, and pastes. Due to their static operating principle, the devices are also suitable for monitoring wire breakages and jams.

The very short response time permits safe detection, even at very high target speeds (for some types, up to 35 m/s). For problem-free signal shaping at high part speed, the devices feature adjustable pulse stretching of the output signal. Due to their construction, the devices are virtually insensitive to environmental influences. In addition, the inductive operating principle renders them highly insensitive to dirt. Connection is via a S12 connector.

CONTRINEX Inductive Ring Sensors Distributors
Ring Switches

Contrinex photoelectric fork sensors are available in various sizes, and consequently suitable for a large range of applications. They feature a robust, compact and universally mountable housing. They work according to the principle of through beam sensors, replacing them whereever long operating distances are not required. Their advantage, compared to solutions with separate emitter and receiver, lies in their simple installation. Only one component has to be installed, there is no need for mechanical alignment, and the wiring is less demanding.

These devices are suitable for the whole field of assembly technology. The sensors are available with clocked or non-clocked light. Their features differ with respect to response time and ambient light limit. The very short response time permits safe detection at high target speeds, even of small parts. All devices are equipped with sensitivity adjustment.

CONTRINEX Fork Thru-Beam Sensors Distributors
Thru-Beam Switches

For fast field checks of various sensor types (inductive, capacitive, photoelectric and ultrasonic) 10 to 30 V.

  • Suitable for PNP and NPN devices, N.O. and N.C. versions
  • Automatic PNP/NPN recognition
  • LED and acoustic indicators
  • Built-in steel target (non-standardized) for checking inductive sensors
  • Power supply from a single 9 V battery (type IEC 6LR61)
  • LED battery-state indication
  • Built-in step-up voltage converter
  • Automatic switch off after approx. 30 sec of non-use
CONTRINEX ATE-0000-002 Sensor Testers Distributors
Switch Testers

Capacitive Label Sensor

Contrinex capacitive label sensors feature simple adjustment, reliable operation, and a compact, robust housing. They are used for the detection of labels, adhesive joints, tears and double sheets. Due to their capacitive operation principle, they are able to detect even transparent materials without problem.

The material to be detected, e.g. labels on a support strip, is placed in the sensor's slot. Strip position and label shape are insignificant, considerably facilitating the use of these devices.

The sensitivity is easily and quickly set by means of teach-in. This results in optimum adjustment and problem-free material changeability. The housing can be easily separated by loosening two socket-head screws, which enables cleaning without dismantling the base and without the need for readjustment.

CONTRINEX Capacitive Label Sensors Distributors
Capacitive Label Switch

Mounting Clamps

For cylindrical sensors from & 3 mm to M30.

The mounting clamp comes in one-piece construction.

Simple installation, reduced labor, reduced downtimes.

The oblong holes permit clamp adjustment.

The clamps remain in place even when sensors are exchanged.

Loosen screw, exchange sensor, tighten screw - finished!

Some mounting clamp types feature a limit stop.

This allows sensors to be exchanged without the need for readjustment.

Contrinex Sensor Mounting Clamp Distributor
Mounting Clamp

Our industrial factory automation supplies warehouse in Boise, Idaho stocks some CONTRINEX products enabling us to further assist you in finding the correct sensors for your application in the USA. Whether we have CONTRINEX Sensors in stock in Boise, Idaho or need to ship direct from CONTRINEX to any USA cities; Clearwater Tech can get proximity switches to you fast and save you money! It will be very helpful if you have the CONTRINEX proximity switch part numbers ready, then our sales representatives can provide you with a pricing and availability quote for Ultrasonic Sensors that you are looking for in seconds. If you do not have the part numbers for Inductive Proximity Switches, our application engineers will be able to help you figure out the part numbers and get the price quote to you as soon as possible.

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TURCK Sensors

DSU35 Series Switches monitor valve position via pneumatic rotary actuators, and provide electronic feedback indicating an open or closed position. A fully adjustable target puck is placed over the actuator stem and features interlocking teeth for accurate positioning, as well as providing vibration resistance. In addition to the target puck, TURCK is offering new dome and cover accessories for the DSU35 valve sensor series.

Banner Sensors

An Extended Sensing Range and tiny stainless steel housing make them an ideal replacement for range limited proximity sensors, and for areas previously only accessible to remote sensors and fiber optic cable. The tightly collimated beam and selfcontained housing of the VSM are suitable for very precise, small object sensing applications in the automotive, food and beverage, semiconductor and electronics, assembly, metal stamping and