HP 5528A

Mode l 5528A
Ang ul ar Mea s uremen ts
Minimizing Errors, and Required Laser System Accuracy
As was described above, your Angular meas urement 's reliability depends on the stability of th e
temperat
ure of the Angular Reflector 's hou sing. To mini mi ze th ese chang es, you shou ld -
• Avoid excessive handling of the Angular Reflc do r, -
• Avoid moving the Angul ar Reflector over heated (or c ooled ) surfa ces -
• Avoid having heated ( or cooled) air mo vi n~ pa st 1h e Angular Reflector.
The l aser Measurement
Syste m 's accuracy speci fi ca tion for Angu lar meas urem ents is given at th e
beginning
of this sed ion .
Series 2648A
Nov 86
8-19