Specification: Part Number 1037998 Max. angular acceleration: 500,000 rad/s² Mass: 0.2 kg Enclosure rating: IP 65 (according to IEC 60529), shaft side, IP 67 (according to IEC 60529), housing side Operating torque: 0.6 Ncm (+20 °C) MTTFd: mean time to dangerous failure: 300 a (EN ISO 13849-1) Moment of inertia of the rotor: 40 gcm² EMC: (according to EN 61000-6-2 and EN 61000-6-3) Maximum operating speed: 6,000 /min Storage temperature range: -40 °C ... +100 °C, without package Reference signal, number: 1 Reference signal, position: 90 °, electronically, gated with A and B Resistance to vibration: 20 g, 10 Hz ... 2,000 Hz (according to EN 60068-2-6) Resistance to shocks: 50 g (according to EN 60068-2-27) Start up torque: 0.8 Ncm (+20 °C) Bearing lifetime: 3.6 x 10^10 revolutions Load current max.: 30 mA Electrical interface: 4.5 V ... 5.5 V, TTL/RS422, Cable, 8-pin, universal, 3 m Connection type: Cable, 8-wire, universal, 3 m Permissible movement radial static/dynamic: ± 0.3 mm, ± 0.1 mm Shaft diameter: 15 mm Working temperature range: 0 °C ... +85 °C Shaft material: Metal Mechanical interface: Blind hollow shaft Initialization time: 40 ms Pulses per revolution: 2,048 Permissible movement axial static/dynamic: ± 0.5 mm, ± 0.2 mm Measuring step: 90 ° / electronically/number of lines Operating voltage range: 4.5 V ... 5.5 V Maximum output frequency: 300 kHz Error limits: ± 0.3 ° Permissible relative humidity: 90 % (condensation of the optical scanning not permitted)