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High Resistance Class
 - 

Robust and reliable for demanding applications

Normally open
7 mm
M12
 
26.92 *
25.44

Online -5.50%

Standard Class
Normally open
20 mm
Cubic
 
21.95 *
20.74

Online -5.50%

Normally open
35 mm
Cubic
 
22.65 *
21.40

Online -5.50%

Normally open
2 mm
6.5 mm
 
35.56 *
33.60

Online -5.50%

Normally open
4 mm
6.5 mm
 
35.56 *
33.60

Online -5.50%

With full-metal housing
 - 

Developed for the food industry and wet areas.

Normally open
3 mm
M12
 
36.20 *
34.21

Online -5.50%

Normally open
6 mm
M12
 
41.31 *
39.04

Online -5.50%

Normally open
5 mm
M18
 
36.91 *
34.88

Online -5.50%

Normally open
12 mm
M18
 
41.91 *
39.60

Online -5.50%

Normally open
10 mm
M30
 
42.12 *
39.80

Online -5.50%

Normally open
25 mm
M30
 
47.78 *
45.15

Online -5.50%

Factor 1
 - 

Identical sensing range for all metals

Normally open
4 mm
M12
 
26.79 *
25.32

Online -5.50%

Normally open
10 mm
M12
 
26.79 *
25.32

Online -5.50%

Normally open
8 mm
M18
 
27.40 *
25.89

Online -5.50%

Normally open
15 mm
M18
 
27.40 *
25.89

Online -5.50%

Normally open
15 mm
M30
 
33.71 *
31.86

Online -5.50%

Normally open
30 mm
M30
 
33.71 *
31.86

Online -5.50%

Normally open
3 mm
M8
 
29.33 *
27.72

Online -5.50%

Inductive sensors

Inductive sensors are a type of position sensor. These sensors come into play where it is necessary to register the position of a metallic object within a range of a few millimetres to several centimetres. The actual registration range depends on the sensor model. In almost all automated processes, sensors are essential to provide the control unit with information. Inductive proximity sensors from autosen provide the necessary signals on positions and end positions and serve as a pulse generator for counting tasks or rotational speed registration. The inductive sensors are used in very varied applications with differing requirements regarding the range and protection rating.

Our inductive sensor classes

Inductive sensors of autosen’s Standard Class can be used for all standard applications without particularly challenging environmental conditions and they offer the best price/performance ratio in factory automation.
Inductive sensors of autosen’s High Resistance Class are robust and reliable, have a broad operating temperature range and thanks to the high protection rating of up to IP69k they can also be used for more demanding applications, including difficult industrial environments.
In addition, autosen supplies inductive sensors with full-metal housings that are specially robust on account of their metal sensing faces. They have been optimized for use in the foodstuffs industry and in wet zones, so they are well able to meet the special requirements that apply in such environments. Inductive sensors with full-metal housings also withstand frequent cleaning procedures and fluctuating temperatures well.
Our inductive Factor-1 sensors are the problem solvers for almost all applications. They have the same sensing range for all metals (correction factor = 1 for all metals). They can also be used in challenging conditions because of the high protection rating of IP69k. The Factor-1 sensors are resistant to oils and lubricants and provide for a high degree of plant availability thanks to the high switching frequency.

Advantages and disadvantages of inductive sensors

In comparison with mechanical sensors, inductive sensors have several advantages: high switching frequencies, a specially high degree of switch point accuracy – and of course wear-free, contactless operation for registering all kinds of metal. Inductive sensors are ideally suited for use in harsh industrial environments: They can withstand dust, moisture and vibrations, function without contact and wear-free, and still work properly even if the sensing face gets covered with material. Inductive sensors function consistently and reliably whether registering moving or stationary objects. They are very well suited for position detection tasks involving metal objects and small measurement ranges from several millimetres to double-figure centimetre amounts.

However, inductive sensors are not suitable for position detection of non-metallic objects or where a larger range is required. For smaller measurement ranges capacitive sensors should be used, irrespective of the material and surface texture of the objects to be detected. Where larger ranges are involved, it is advisable to use ultrasonic sensors which can also detect all materials and surface textures, or photoelectric sensors for non-transparent objects.

All the advantages of inductive sensors at a glance:

  • Reliable position detection for metallic objects and short measurement ranges
  • Contactless and wear-free operation
  • Exact measurement whether the object is moving or not
  • Insensitive to deposition on the sensing face
  • Insensitive to dust, moisture and vibrations

 

  • Broad operating temperature range
  • High protection ratings
  • High switching frequencies and high switch point accuracy
  • Higher sensing ranges
  • Short-circuit proof and proof against reverse polarity

 

Application examples for inductive sensors

In view of the many different types, inductive sensors can be used in a very wide range of applications and sectors. Their high protection ratings and robustness make them suitable for use in the foodstuffs industry, beverages industry and robotics.

Here are some examples:

 

  • Detection of moving machine components and objects that are to be processed
  • Counting metallic components in component feeding and conveying technology
  • Highly precise referencing of zero positions for moving parts (robotics)