Levelling The Laser Head - HP 5528A User Manual

Model 5528A
Ph ysical Set· Up of the laser Head and Tripod
Table 4·1. Mcasuremenf versus SelUp Axis
To make this measurement Make your setup along
Distance
X-axis X- axis or Y-axis
Y-ax is X-ax is or Y- axis
Z-axis X-ax is or Y-axis
Angular
Pitch
X-axis X-ax is o nl y
Y-axis Y-ax is only
Z-axis X·ax is onl y
Yaw
X-axis X-axis or Y· axis
Y-axis X-axis or Y-axis
Z·axis
Y-axis onl y
Straigh lness
Verti ca l
X-axis X· axis onl y
Y·ax is
Y· axis only
Z-axis X-ax is or Y-axis
Hori zonta l
X-axis X-ax is only
Y·axis
Y-ax is only
Z-axis X-ax is or Y·ax is
Squa reness
X-vs-Y
X-axis or V·axis
X-vs-Z X-axis on ly
V· vs-Z
V-axis onl y
LEVElliNG THE LASER HEAD
Pos itioning one les of the Tripod in line wit h the lase r beam will u sually make It easier 10 levellhe
baseplate.
Adiust leg length s unlil the baseplate is level, as indicated by the bubble level at the rear of th e
Tripod 's Mounting Plat e. Do thi s
by
loose ning the larse silver knobs on each les . Be sure yo u
securely tighten these knobs when you have fin ished the leve llin g op era tion.
4· Y