Chapter 3
Health and safety
Page 3-8
MAN 0486
Maintenance of the instrument
This section covers the user maintenance procedures for the
Zetasizer Nano
optical unit
. Do not attempt any maintenance procedure not specified here.
Note
Maintenance procedures and details of consumable parts kits for the indi-
vidual dispersion units are provided in their respective user manuals.
An operator can perform all procedures
except
replacing fuses
.
General maintenance warnings
Warning!
Before carrying out any maintenance operation, read and observe the all
other safety warnings listed in
this chapter
.
Warning!
The system contains no internal serviceable parts. Never attempt to
remove the covers of the optical bench or an accessory or dispersion unit.
Removal of the covers invalidates the warranty and may expose the user to
dangerous laser radiation.
Warning!
Failure to follow these guidelines could result in the emission of laser radi-
ation or exposure to hazardous voltages. Laser radiation can be harmful to
the body and can cause permanent eye damage.
The Zetasizer Nano accessory units do not contain a laser but are con-
nected to the optical bench that does.
Optical bench specific warnings
Warning!
Before cleaning, always disconnect the unit from the power supply and
computer and disconnect all electrical cables.
Ensure the unit is completely dry before re-applying power.
Zetaszier Nano Basic Guide (Man0486-1.0).book Page 8 Monday, September 10, 2012 2:19 PM
