Malvern Zetasizer Nano Series, User Manual

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purge inlet port can be used to connect an air or nitrogen supply. This will
remove any moisture in the air immediately surrounding the cell and prevent
condensation.
If using the purge inlet connector then the air or nitrogen supply must conform
to the following specification:
.
Compressed air to DIN 8573-1
.
Oil = Class 1
.
Water = Class 3
.
Particulate = Class 3
.
Pressure = 200 ± 20 kPa g
On entry into the Zetasizer the flow rate of the purge air is controlled by a built in
regulator.
%
Caution
- Status indicator
The status indicator is an illuminated ring (or bezel) positioned around the Cell
access button .
, and shows the operational state of the instrument.
Indicator colour
and state
Function
Amber - Flashing Shows the start-up initialisation routine is running.
Amber Shows that the instrument is at “Standby”.
The instrument is functioning correctly but is either not
connected to the computer or the software has not been started.
Green
I
ndicates the instrument is functioning correctly and is ready to
start a measurement.
Green - Flashing Occurs when the instrument is performing a measurement.
C H A P T E R 3
Z e t a s i z e r N a n o S e r i e s
P a g e 3 . 7
It is important that the purge air line supply conforms to the above
specification. Failure to meet this specification may result in permanent
damage and invalidation of the warranty.