For measuring complex geometry, rotary dynamic sensor employed by Spectrum rotates bidirectionally ±180 deg and indexes in 2.5 deg steps to reach 20,736 positions. Available measurement envelopes range in size from 700 x 700 x 600 to 1,000 x 2,100 x 600 mm; raised-bridge option for 1,000 mm models extends Z axis range to 780 mm. Ceramic guideways with air bearings ensure stability against temperature changes and dynamic influences. System maintains accuracy as high as MPEe 2.5 + L/250 across 64-75°F range. Controller supports scanning probe updates. Dual graduated joysticks grant precise control of 3-axis movement.