Specification: Part Number 1037548 Initialization time: 40 ms Resistance to vibration: 20 g, 10 Hz ... 2,000 Hz (according to EN 60068-2-6) Shaft diameter: 12 mm Mass: 0.2 kg Storage temperature range: -40 °C ... +100 °C, without package Enclosure rating: IP 65 (according to IEC 60529), shaft side, IP 67 (according to IEC 60529), housing side Load current max.: 30 mA Resistance to shocks: 50 g (according to EN 60068-2-27) Pulses per revolution: 1,024 Working temperature range: 0 °C ... +85 °C Permissible movement radial static/dynamic: ± 0.3 mm, ± 0.1 mm EMC: (according to EN 61000-6-2 and EN 61000-6-3) Error limits: ± 0.3 ° Electrical interface: 4.5 V ... 5.5 V, TTL/RS422, Connector M23, 12-pin, radial Moment of inertia of the rotor: 40 gcm² Bearing lifetime: 3.6 x 10^10 revolutions Shaft material: Metal Max. angular acceleration: 500,000 rad/s² Reference signal, number: 1 Reference signal, position: 90 °, electronically, gated with A and B Measuring step: 90 ° / electronically/number of lines Operating torque: 0.6 Ncm (+20 °C) Permissible movement axial static/dynamic: ± 0.5 mm, ± 0.2 mm Maximum output frequency: 300 kHz MTTFd: mean time to dangerous failure: 300 a (EN ISO 13849-1) Operating voltage range: 4.5 V ... 5.5 V Connection type: Connector M23, 12-pin, radial Maximum operating speed: 6,000 /min Mechanical interface: Blind hollow shaft Start up torque: 0.8 Ncm (+20 °C) Permissible relative humidity: 90 % (condensation of the optical scanning not permitted)