Specification: Part Number 1051959 Working temperature range: 0 °C ... +85 °C EMC: (according to EN 61000-6-2 and EN 61000-6-3) Shaft diameter: 15 mm Bearing lifetime: 3.6 x 10^10 revolutions Permissible relative humidity: 90 % (condensation of the optical scanning not permitted) Max. angular acceleration: 500,000 rad/s² Maximum output frequency: 300 kHz Permissible movement radial static/dynamic: ± 0.3 mm, ± 0.1 mm Moment of inertia of the rotor: 40 gcm² Operating voltage range: 4.5 V ... 5.5 V Resistance to shocks: 50 g (according to EN 60068-2-27) Mass: 0.2 kg Error limits: ± 0.3 ° Load current max.: 30 mA Reference signal, position: 90 °, electronically, gated with A and B Reference signal, number: 1 Measuring step: 90 ° / electronically/number of lines Electrical interface: 4.5 V ... 5.5 V, TTL/RS422, Connector M23, 12-pin, radial Measuring step deviation: ± 0.2 ° Start up torque: 0.8 Ncm (+20 °C) Connection type: Connector M23, 12-pin, radial Storage temperature range: -40 °C ... +100 °C, without package Pulses per revolution: 2,000 Resistance to vibration: 20 g, 10 Hz ... 2,000 Hz (according to EN 60068-2-6) Operating torque: 0.6 Ncm (+20 °C) Enclosure rating: IP 65 (according to IEC 60529), shaft side, IP 67 (according to IEC 60529), housing side Permissible movement axial static/dynamic: ± 0.5 mm, ± 0.2 mm MTTFd: mean time to dangerous failure: 300 a (EN ISO 13849-1) Initialization time: 40 ms Mechanical interface: Through hollow shaft Maximum operating speed: 9,000 /min Shaft material: Metal