Inductive Sensors

BES inductive standard sensors with preferred types

Globally proven solutions for controlling, positioning and monitoring

Our BES inductive standard sensors with preferred types for detecting objects in metal areas are robust and reliable. With a wide range of over 500 series to choose from, we offer the right inductive sensor for any application.
The technology, which is in use worldwide, has an optimum price/performance ratio, with short delivery times even in large quantities.


  • Cylindrical sensors in Ø 6.5 mm, M8, M12, M18, M30 and block-style 40 × 40 mm
  • Flush and non-flush versions
  • Flush ranges up to 15 mm
  • Non-flush ranges up to 30 mm
  • Connector or cable connection

BES inductive 2-wire sensors

Universal application – various form factors

With inductive 2-wire sensors from Balluff, you can reduce the number of variants in your application in a targeted manner. This saves you storage space and costs without losing functionality. Our standard range of 2-wire technology with a range of 0 to 50 mm includes sensors in M8 to M30. And it is suitable for most PNP or NPN control systems. Our inductive 2-wire sensors are also available with increased switching distance.


  • Sensors for DC, AC, and AC/DC power supplies
  • In cylindrical housings for flush or non-flush mounting
  • With cable and connector variants

BHS high-pressure rated inductive sensors

Perfect for use in hydraulic cylinders and valves

Our pressure-rated inductive sensors withstand pressure of up to 500 bar. They are, therefore, perfectly suited for position monitoring of your hydraulics, such as for end position verification of hydraulic cylinders or monitoring valve position. This capability is a result of media-resistant housing materials and special sealing. For individual applications we offer a comprehensive line of various housing diameters and thread sizes.


  • Pressure-resistant to 500 bar
  • High-temperature-resistant up to 120 °C
  • Appropriate for use in explosion-protected areas
  • Overall dimensions from M5 to M18
  • Short and long configurations
  • With and without fixed stop

BES hygienic inductive sensors

Long service life even under difficult environmental conditions

Our hygienic sensors are extremely resistant to abrasives and aggressive media. Even the part label is protected against abrasion and chemicals. The LED indicators cannot be destroyed. And the housing construction is optimized for safe cleaning, so that the products do not retain dirt.
For use in extremely aggressive environments, variations completely in PTFE are available.


  • Custom stainless steel, such as 1.4404, 1.4571
  • High chemical resistance
  • High degree of protection IP67 to IP69K
  • Extended temperature range available
  • Ecolab, FDA certifications available
  • Safe cleaning (CIP)
  • Different models and sizes

BES inductive Factor 1 sensors

More flexibility for your production

The inductive Factor 1 sensors can be used wherever dissimilar metals must be identified uniformly with high precision. These all-rounders reliably detect all metals without a reduction factor at the same sensing distance: ferrous and non-ferrous metals, steel, brass, aluminum, etc. They are also magnetic field resistant and can be used in strong electromagnetic fields.
Also available: versions with PTFE coating to protect against weld spatter.


  • High sensing distance without reduction factor for all metals
  • Magnetic field resistant
  • Installation in different metals possible
  • High-precision and flexible use
  • Different models and sizes
  • Weld spatter resistant versions available

BES inductive full-metal sensors

Extremely rugged for use in harsh environments

The especially resistant stainless steel inductive sensors are custom developed for use in very harsh environments. The housing and sensor front are made of stainless steel and are resistant to impact, mechanical loads and abrasive media. For welding applications we offer versions with PTFE and ceramic coating that resist weld splatter. This reduces your maintenance costs and increases the up-time of the equipment.


  • Form factors from M8 to M30 and block-style housings
  • Switching distances from 1.5...8 mm
  • Extremely rugged
  • High switching distance
  • Factor 1 sensors and selective sensors (ferrous/non-ferrous)
  • Resistant to abrasive media and cleaning agents
  • Different models and sizes

BES magnetic-field-resistant inductive sensors

Magnetic field and weld field resistant – for flexible use in harsh conditions

In areas with strong electromagnetic fields, such as in welding and induction hardening equipment, magnetic-field-resistent inductive sensors work with the greatest precision. They are insensitive to magnetic fields arising from electric welding currents up to 25 kA. And with their additional ceramic coating, they are resistant to metal spatters, slag and combustion residues. They are extremely rugged.


  • Extremely rugged
  • Magnetic field resistant
  • Weld-spatter-resistant
  • Resistant to abrasive media and cleaning agents
  • Different models and sizes

Weld-immune inductive sensors

No problem with magnetic fields, slag, metal splatter and abrasive media

Weld-immune Factor 1 inductive sensors from Balluff detect metallic objects, such as steel, aluminum, or brass, with the same switching distance. With their ceramic coating they are just as resistant to metal spatter, slag, and combustion residues as they are to magnetic fields arising from electric welding currents of up to 25 kA. Even abrasive media and cleaning agents cannot harm them. Perfect for use in welding, induction hardening installations, and similarly harsh industrial environments.


  • Detect metallic objects with no reduction factor
  • Extremely robust, magnetic-field-resistant, and weld-spatter-resistant
  • Resistant to abrasive media and cleaning agents
  • Available in different configurations and sizes

BES temperature-rated inductive sensors

Highest precision even at high temperatures

Our temperature-resistant sensors are designed for temperatures up to 160 °C: this is due to their special housing and cable construction as well as their fully integrated electronics. We also offer high-pressure rated sensors, so that you can make use of a broad application spectrum.


  • No sensing distance drift under temperature
  • Temperature ranges to 160 °C available
  • High IP68 rating
  • Stainless steel housing 1.4571
  • Different models and sizes

BES inductive sensors for potentially explosive areas

Extremely reliable even in Ex zones

You can use wear-free inductive sensors in various Ex-zones: in areas in which an explosive atmosphere is a rare occurrence (Category 3G/3D), or in explosion hazard equipment or Zone 1 (Category 2G/1D) when combined with a NAMUR isolating amplifier. For flexible use, we offer a comprehensive portfolio of common sensor housings, thread sizes and the option of molded-on cables or connectors.


  • Applicable for zones 2G/1D and 3G/3D
  • Pressure-resistant to 500 bar
  • High-temperature-resistant up to 120 °C
  • Can be combined with NAMUR amplifiers
  • Contact-free and therefore wear-free
  • Resistant to dirt
  • Short-circuit protected
  • Media-resistant

BHS and BES inductive NAMUR sensors

For detecting the conditions within sensitive areas

Inductive NAMUR sensors and switching amplifiers make condition detection in sensitive areas easy. The non-contact sensors are placed inside the work area and the switching amplifiers are placed outside. This assists with process stability.
In addition to standard versions, we also offer high pressure variants for monitoring end positions in hydraulic cylinders or for monitoring the positions of valves. There are explosion-proof variants for potentially explosive systems or rooms in Zones 1 and 2. In addition, models are available for applications in the semiconductor industry.


  • Support for process stability
  • Also available for hydraulic cylinders and hazardous areas
  • Faults detectable

BES inductive ring and tube sensors

Ideal for detecting small parts

Our inductive ring and tube sensors work extremely reliably and are ideal for detecting small parts with a high object speed of up to 20 m/s. The integrated pulse extension of up to 150 ms makes it possible for the switching signals to be reliably utilized by control systems. You also benefit from the simple installation procedure. The sensors can be universally mounted, lined up, and stacked at a distance of > 20 mm.


  • Reliable sensor principle for high object speeds
  • Inductive ring sensors available in various sizes
  • Inductive sensor for hoses easily installable on the feed hose
  • Stackable at a distance of > 20 mm

BAW inductive distance sensors

Reliable measurement of position, distance and differentiation of materials

Our inductive distance sensors measure various positions and distances. They also reliably differentiate various material types. They work without contact and are therefore wear-free, and feature long service life. Initial installation is quick and easy, which means short down-times when a sensor needs to be replaced.
Included among the important fields of application for our distance sensors are the monitoring of movements in joining, pressing or clamping equipment used for machine construction or the detection of imbalances and expansions of axles.


  • Tubular types from Ø 6.5 mm to M30 and many block-style housings
  • Compact, solid and reliable
  • Contact-free and therefore wear-free
  • Absolute measuring principle
  • Measurement range from 0.2 to 50 mm, also teachable
  • Quick response time, high reproducibility, and linearity
  • Broad temperature range, minimal temperature drift
  • Simple to use with absolute analog voltage, current or IO-Link signal

BIP inductive positioning systems

Can be perfectly integrated even when there is little space

The inductive positioning system is impressive in tight installation conditions: perfectly integrable, it measures the position of metallic objects with maximum precision, contact- and wear-free. The measurement values are output via IO-Link or analog.
Included among the most important areas of use are monitoring of drive spindles and clamping devices or detecting linear motion: for example punch depth, gripper positions, roller positions or valve positions.


  • Measurement ranges adjustable from 0…133 mm
  • No mechanical adjustment is necessary
  • Contact-free and therefore wear-free
  • Reliably detect travel using a simple target – a simple machine member can be used as the target
  • High repeat accuracy and precise positioning
  • Analog and digital interfaces