Specification: Part Number 1036281 Resistance to vibration: 20 g, 10 Hz ... 2,000 Hz (according to EN 60068-2-6) Permissible movement axial static/dynamic: ± 0.5 mm, ± 0.2 mm Bearing lifetime: 3.6 x 10^10 revolutions Error limits: ± 0.3 ° Mass: 0.2 kg Moment of inertia of the rotor: 40 gcm² Pulses per revolution: 1,024 Shaft diameter: 1/2 " Enclosure rating: IP 65 (according to IEC 60529), shaft side, IP 67 (according to IEC 60529), housing side Shaft material: Metal Operating voltage range: 4.5 V ... 5.5 V Electrical interface: 4.5 V ... 5.5 V, TTL/RS422, Cable, 8-pin, universal, 1.5 m Max. angular acceleration: 500,000 rad/s² Reference signal, number: 1 Measuring step: 90 ° / electronically/number of lines Initialization time: 40 ms Maximum output frequency: 300 kHz Reference signal, position: 90 °, electronically, gated with A and B Working temperature range: 0 °C ... +85 °C Connection type: Cable, 8-wire, universal, 1.5 m Mechanical interface: Blind hollow shaft Load current max.: 30 mA Start up torque: 0.8 Ncm (+20 °C) Storage temperature range: -40 °C ... +100 °C, without package Maximum operating speed: 6,000 /min Resistance to shocks: 50 g (according to EN 60068-2-27) Operating torque: 0.6 Ncm (+20 °C) EMC: (according to EN 61000-6-2 and EN 61000-6-3) MTTFd: mean time to dangerous failure: 300 a (EN ISO 13849-1) Permissible movement radial static/dynamic: ± 0.3 mm, ± 0.1 mm Permissible relative humidity: 90 % (condensation of the optical scanning not permitted)