6-2 Model 3321 Aerodynamic Particle Sizer
Spectrometer
Retur n i n g the A P S S p e ctrom e t e r for
Servic e
Visit our website at http://rma.tsi.com or call TSI at 1-800-874-2811 (USA)
or (651) 490-2811 for specific return instructions. Customer Service will
need this information when you call:
The instrument model number
The instrument serial number
A purchase order number (unless under warranty)
A billing address
A shipping address
Use the original packing material to return the instrument to TSI. If you no
longer have the original packing material, seal off any ports to prevent
debris from entering the instrument and ensure that the display and the
connectors on the instrument front and back panels are protected.