6-2 Model 3750 Condensation Particle Counter
Retur n i n g the C P C f or Serv i c e
Before returning the CPC to TSI for service, visit our website at
http://rma.tsi.com or call TSI at 1-800-874-2811 (USA) or 001 (651) 490-
2811 for specific return instructions. Customer Service will need the
following 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
TSI recommends that you keep the original packaging (carton and foam
inserts) of the CPC for use whenever the CPC is shipped, including when it
is returned to TSI for service. Always seal off the sampling inlet to prevent
debris from entering the instrument and drain and dry the CPC before
shipping. If you no longer have the original packing material, first protect
the CPC by placing it inside a plastic bag. Then package the unit with at
least 5" (13 cm) of shock absorbing/packaging material around all six sides
of the CPC. The packaging material must be sufficient to completely
protect the integrity of the CPC when dropped from a height of 30 inches
(76 cm). See "Moving and Shipping the CPC” for detailed instructions.