Thermo Scientific APEX 100 User Manual page 302

Components of a Gravity-Feed Application
The gravity-feed system must only be lifted and installed using the support frame. At no
time must the metal detector be used for lifting. The ideal way to maneuver the
equipment is to use support straps from the frame and lift into position. The frame must
be bolted into position ensuring a good earth connection. The chute/pipe section may
then be bolted in position. Care must be taken to avoid any weight or undo strains on
the chute.
A gravity-feed system consists of the following three major components.
• Search Head
The search head contains the search-head board and the inspection coils the
material passes through.
• Control Unit and Integral Power Supply
The control unit contains the user interface controls, processing electronics, and
should always be mounted remotely. The power supply unit, which houses power
supplies, input/output devices and the connection terminal strip, should always
be mounted remotely.
• Reject Valve and Support Structure
The reject valve and support structure are used on gravity applications. The
structure supports the metal detector; reject valve and product inspection tube.
The control unit and power supply may be mounted directly to the structure.
Page 302 Thermo Scientific APEX User's Guide