The digital mark sensor operates on a supply voltage of 12 to 24 VDC with a tolerance of ± 10%. The ripple is kept at 10% or less. It has a sensing range of 10 ± 3 mm (0.394 ± 0.118 in) and a spot size of 1 x 5 mm (0.039 x 0.197 in). Output 1 and Output 2 are both PNP open-collector transistors. The sensor features a cable type connection and includes a 4-digit red LED display. It is rated IP67 according to the IEC standard.