Unformatted text preview: losed and the error can be located by means of a test key. 15.1.10 Inductive proximity sensors for specific material detection
For certain applications, it is desirable that an inductive proximity sensor should
react to specific materials only. Ordinary inductive sensors respond to all metallic
objects. The largest switching distance is achieved with steel.
On the other hand, there are proximity sensors which respond to specific materials
achieving the greatest switching distance using iron-free materials ("proximity
sensors for non-ferrous metal"). Ferrous metals have a reduced effect and therefore
flush-fitting installation in steel is possible. Examples • Selective proximity sensors of cylindrical M 30 design, as well as block shaped
with nominal switching distances in relation to aluminium of 10 mm and 20 mm.
These proximity sensors are suitable for objects made of copper, aluminium, tin,
brass, bronze, zinc, silver, gold, manganese and lead.
• Selective proximity sensors with switching dista...
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- Spring '12
- pH, proximity sensors, Festo Didactic GmbH, Festo Didactic GmbH & Co