Pendulum Compensator
AssemblyWire-suspended prism pendulum in the optical path that swings under gravity to hold the line of sight horizontal within ±0.3 arcseconds once the instrument is roughly leveled. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Pendulum Compensator
6 top-level lines as of r167904| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Compensator Prism | surveying-level-compensator-prism | 1× | 1 | · | part |
| 2 | Prism Carrier | surveying-level-prism-carrier | 1× | 1 | · | part |
| 3 | Suspension Wires | surveying-level-suspension-wires | 4× | 4 | · | part |
| 4 | Damper Vane | surveying-level-damper-vane | 1× | 1 | · | part |
| 5 | Neodymium Magnet | neodymium-magnet | 2× | 2 | · | part |
| 6 | Pendulum Limit Stop | surveying-level-limit-stop | 1× | 1 | · | part |