Bore size: Ø 10 mm [0.394"], 12 mm [0.472"], 
14 mm [0.551"], 15 mm [0.591"], 
16 mm [0.63"], 18 mm [0.709"], 
20 mm [0.787], 25 mm [0.984"], 
27 mm [1.063"], H8,
Protection rating: IP65,
Signal shape: square-wave or sine/cosine,
Operating principle: optical.

Bore size: Ø 25 mm [0.984"], 28 mm [1.102"], 
30 mm [1.181"], 32 mm [1.26"], 
38 mm [1.496"], 40 mm [1.575"], 
42 mm [1.654"], 45 mm [1.772"],
Protection rating: up to IP55 all around,
Signal shape: square-wave or sine/cosine,
Operating principle: optical.

Bore size: Ø 25 mm [0.984"], 28 mm [1.102"], 
30 mm [1.181"], 32 mm [1.26"], 
38 mm [1.496"], 40 mm [1.575"], 
42 mm [1.654"], 45 mm [1.772"],
Protection rating: IP50,
Signal shape: square-wave or sine/cosine,
Operating principle: optical.

Balanced stainless steel clamping ring,
Bore size with insulating sleeve: 
Ø 25 mm [0.984"], 25.4 mm (1"), 
30 mm [1.181"], 32[1.26"], 
38 mm [1.496"], 40mm [1.575"], 
42 mm [1.654"],
Protection rating: up to IP55 all around,
Signal shape: square-wave or sine/cosine,
Operating principle: optical.

Bore size: Ø 45 mm [1.772"], 48 mm [1.89"], 
50 mm [1.969"], 55 mm [2.165"], 
60 mm [2.362"], 65 mm [2.559"], 
72 mm [2.835"],
Protection rating: IP54, optional IP64
Signal shape: square-wave,
Operating principle: optical.