Optical encoders

Selection criteria

Sealing grades of CODECHAMP optical encoders are available from IP50 to IP68..

An encoder should be adapted to its working environment. Its reliability and lifetime depend on it.

The higher the protection index, the higher the friction torque.
  First number
Protection against solid objects
(IEC, NF, DIN)
Second number
Protection against liquids
(IEC, NF C, DIM)
0 No protection No protection
1 Protection against solid objects larger than 50 mm Protection against vertical dripping water
2 Protection against solid objects larger than 12,5 mm Protection against dripping water 15° tilted
3 Protection against solid objects larger than 2,5 mm Protection against spraying water
4 Protection against solid objects larger than 1 mm Protection against splash water
5 Protection against dust Protection against water jets
6 Protection against dust
(dust-tight, no ingress)
Protection against powerful water jets
7   Protection against temporary immersion
8   Protection against long periods of immersion
Reference : NF EN 60529