Mechanical installation. The potentiometer and its accessories should
be located on a solid bench which is free from heavy vibration.
instrument should not be located in positions where it might be subjected to
fluctuating heating or cooling. Locations near heating ducts, in front of
windows subject to direct sunlight, or where cold drafts exist, are areas
which should be avoided.
a. The galvanometer and amplifier used with the potentiometer should
also be placed on a stable bench with the front panel controls readily
It is preferable to locate the galvanometer system on other
than the working surface and behind the potentiometer, with the scale
slightly below eye level.
Connection and checkout of the Model 9931
galvanometer and amplifier system should be performed according to the
instructions detailed in their respective technical manuals.