Specification: Part Number 1037935 Shaft material: Metal Load current max.: 30 mA Initialization time: 40 ms Maximum output frequency: 820 kHz Operating voltage range: 4.5 V ... 5.5 V Enclosure rating: IP 65 (according to IEC 60529), shaft side, IP 67 (according to IEC 60529), housing side MTTFd: mean time to dangerous failure: 300 a (EN ISO 13849-1) Storage temperature range: -40 °C ... +100 °C, without package Maximum operating speed: 6,000 /min Permissible movement axial static/dynamic: ± 0.5 mm, ± 0.01 mm Resistance to vibration: 20 g, 10 Hz ... 2,000 Hz (according to EN 60068-2-6) EMC: (according to EN 61000-6-2 and EN 61000-6-3) Max. angular acceleration: 500,000 rad/s² Measuring step: 90 ° / electronically/number of lines Permissible relative humidity: 90 % (condensation of the optical scanning not permitted) Error limits: ± 0.03 ° Resistance to shocks: 60 g (according to EN 60068-2-27) Start up torque: 0.8 Ncm (+20 °C) Mechanical interface: Blind hollow shaft Shaft diameter: 12 mm Mass: 0.2 kg Moment of inertia of the rotor: 40 gcm² Reference signal, number: 1 Pulses per revolution: 32,768 Electrical interface: 4.5 V ... 5.5 V, TTL/RS422, Cable, 8-pin, universal, 3 m Connection type: Cable, 8-wire, universal, 3 m Reference signal, position: 90 °, electronically, gated with A and B Bearing lifetime: 3.6 x 10^10 revolutions Operating torque: 0.6 Ncm (+20 °C) Working temperature range: -30 °C ... +100 °C Permissible movement radial static/dynamic: ± 0.3 mm, ± 0.05 mm