Inductive Sensors. Compact, reliable and highly precise – Indispensable in all machines.

Partnership. Precise. Pioneering.

Visibly better: Baumer sensors. The Baumer Group is leading at international level in the development and production of sensors, shaft encoders, measuring instruments as well as components for automatic image processing. As an owner-managed family business, we employ about 2600 workers worldwide in 38 subsidiaries and 19 countries. With marked customer orientation, consistently high quality and vast innovation capability, Baumer develops specific solutions for many industries and applications worldwide. Our standards – your benefits. Passion coupled with expertise – both have made us a sensor pioneer...

Indispensable in all machines Non-contacting, inductive proximity sensors play a major role in automation technology all over the world. For several decades millions of them have been used for monitoring the presence, movement and position of metal machine parts, valves, and gears. Baumer offers a unique, high-performance portfolio of switching and measuring inductive sensors which work reliably even in the toughest industrial environments. Inductive sensors from Baumer distinguish themselves through: Guaranteed reliability thanks to patented design and comprehensive final inspection of all sensors...

Table of contents. Introduction Miniature sensors for confined installation spaces Sturdy sensors for demanding environments Factor 1 sensors – treat all metals equally AlphaProx® – Measure distances accurate to a micrometer Sensing characteristics Protection classes Mounting and mounting procedure General definitions Inductive proximity switches for factory automation Overview Proximity switches for factory automation Factor 1 Hygienic design Washdown design Outdoor design Full metal housings DuroProx High temperature sensors up to +100 °C Sensors immune to welding and magnetic fields High pressure...

Smart & Small – top performance in smallest designs Inductive miniature sensors SMD placement machine Ideal for fast processes thanks to a high switching frequency up to 5 kHz and their light weight Position detection of gripper jaws Work piece presence/absence check Machine tools Pick & Place / Robotic Precise position detection Absolute distance measurement with high resolution Reliable condition detection during automatic tool change prevents machine downtime Minimum space requirement enables more compact motor spindles Detection of misalignment and incorrect tools with measuring sensors.

Hard-wearing and heat-resistant with longterm seal - Reliable in any environments Sturdy inductive proximity switches and distance sensors Hygienic sensors Highest chemical-resistant to cleaning agents and high-pressure cleaning Rugged, FDA compliant materials EHEDG certified design, 100% gap-free to prevent formation of bacterial residue Stainless steel housings V4h with protection class IP 69K and proTect+ Outdoor and Washdown Wide temperature range from –40 … +80 °C Developed for onshore and offshore use Meets impermeability requirements up to protection class IP69K as well as the Baumer impermeability...

Same sensing distance on any metal Inductive sensors with reduction factor 1 The fastest in their class Factor 1 sensors from Baumer have a very high switching frequency (up to 3 kHz). Baumer Factor 1 sensors are therefore the first choice for feeding different small parts such as nuts or rivets. Distance measurement with factor 1 Coil and transformer production Use in winding machines Copper wire coil detection Quality control during coil production Standard sensors face up to 70% reduction of the sensing distance towards aluminum or copper. Distance sensors with factor 1 offer a 2-3 times larger...

Measure distances accurate to a micrometer Inductive distance sensors – AlphaProx® Absolute distance and angular measurement High reliability thanks to contact less measuring Dirt-resistant measuring system Measurement of linear and rotary movements possible Compact sensor sizes allow mounting even in limited spaces Tape tension control and monitoring AlphaProx® sensors enable high control quality when monitoring tape tensions. The sensor has two functions: displacement measurement (analog) and end position switch-off (digital). The measuring range of the sensor can be optimally adapted to different...

Sensing characteristics Sensing distance The international standard EN 60947-5-2 defines the sensing distance as follows: the sensing distance is the distance at which a standard target moving toward the sensing face of a proximity switch causes a signal change. Sensing face Standard target The standard target is defined as a square plate, 1 mm thick, made of Fe 360 (mild steel). The length of its side is defined as the larger of either the sensing face diameter or three times sn (nominal sensing distance). Nominal sensing distance Sn Effective sensing distance Sr Usable sensing distance Su Nominal...

Sensing characteristics Mild steel Stainless Steel If metallic materials other than those of the standard measuring plate (Fe 360) are used for damping, the specified switching distances must be multiplied by the material correction factor specified in the data sheet. These results should be considered as guidelines. If no correction factors are specified in the data sheet, the standard values specified in this table can be used. Geometries deviating from the standard measuring plate also have an influence on the switching distance. When sensing aluminum foil or non-metallic materials coated with...

Sensing characteristics At approach and removal of the target, there is a difference between operating and release point which is defined as Hysteresis. Hysteresis Motion Hysteresis is designed into a sensor's characteristics to guard against possible incorrect pick-up due to vibration. Hysteresis Operating curve Release curve Operating point Repeat accuracy is described in the sensor standard EN 60947-5-2, which specifies that reproducibility amounts to 5% when two arbitrary measurements are taken within 8 hours, at a temperature of +23°C ±5 °C, and with a voltage supply that varies less than...