Type 490 / 491 Description Type 490 & 491 The type 490 & 491 are indoor remotely controlled pan & tilt heads for use with payloads up to 7kg, without the need for counter balance weights or springs. Fitted with low speed synchronous motors, the 490 is virtually silent in operation. All units have internal limit switches that are readily adjusted upon removal of the rear cover. The unit is robustly constructed from aluminium alloy castings, powder coated and stoved with plated steel shafts. The 490 unit is supplied with a 1.5m flying lead and is suitable for upright or inverted operation. Type 490 The type 490 is a 230V.a.c. unit and the type 490/110 is a 110V.a.c. unit. Pan and Tilt Head Features Elegantly styled. Robustly constructed from aluminium alloy castings. Upright or inverted operation. Autopan option available - can be fitted in unit or in controller. 230V, 110V or 24V unit. Payloads up to 7kg - no counter balance weights needed. 6.1 Deg / sec. pan speed. 4.4 Deg / sec. tilt speed. Internal limit switches Type 491 The type 491 is the 24V.a.c. version of the type 490. Build Options /A Autopan DENNARD SUPPORT LINE +44 (0) 1252 614884 Fax: 01252 626013 Type 490 / 491 Pan and Tilt Head All Dimensions in millimetres 120 148 5 Holes 7 Dia. Equispaced on a 25.4 Pitch 48 229.5 144.5 154.5 75 103 Alternative mounting position of platform 11.3 146 1.5m flying lead Ø117 4 Holes 6.5 Dia. Equi-spaced on 101.6 P.C.D. 81 102.5 321 Housings 507, 504 LD, 2010/2D & Camera + lens Type 490 Pan & Tilt Unit Type 426 Extender Column Type 642B Wall Bracket Specifications Maximum Load: 7kg Pan Movement: 20º to 360º Tilt Movement: +/-10º to +/-180º Pan Speed: 6.1º/sec. Tilt Speed: 4.4º/sec. Pan Torque: 50kg cm Tilt Torque: 67kg cm Operating temperature: -15ºC to +55ºC Backlash: 0.5º maximum Weight: 4kg Finish: Powder coated & stoved. Power consumption: 8 VA total. Connection: 1.5m flying lead. 55 Fleet Road, Fleet, Hants, England. Tel: 01252 614884 Fax: 01252 626013Web Site Address: www.dennard-cctv.com Home