Safety sensor/transmitter set - Special design Integrated laser alignment aid - Type 4 - IEC/EN 61496 - in combination with a suitable test monitoring unit - e.g. MSI-TR1B - SIL 3 - IEC 61508 - In combination with a suitable test monitoring unit - e.g. MSI-TR1B - Operating range 0.5...50m - Number of beams 3 Piece(s) - Beam spacing 400mm - Column height without foot 1300mm