Chapter 2
Site requirements
Page 2-4
MAN 0494
The power cord set must have a minimum current capacity of 10A (7A in Japan
only) and a nominal voltage rating of 125 or 250 volts AC, as required by each
country's power system.
The area of the wire must be a minimum of 0.75mm
2
or 18AWG, and the
length of the cord must be less than 3m.
The power cord must be routed so it will not be walked on, pinched by items
placed on or against it, or become wet. Pay particular attention to the plug, the
electrical outlet and the point where the cord exits the product.
Computer specification
As with any software, running other applications at the same time may affect the
speed of the Zetasizer software.
Minimum recommended specification
Contact the Malvern Helpdesk or website for the recommended computer specifi-
cation, otherwise consult the Software update notification document supplied on
the software CD.
Note:
A laptop computer must have a free USB port to operate with the system.
Networks
The PC running the Zetasizer software can be connected to a network, but the
Zetasizer software must be run locally.
Additional services
Purge specification
If measuring samples at low temperatures there is a risk of condensation occurring
on the cell; this occurs when the measurement temperature is less than the ‘dew
point’ of the ambient air surrounding the cell being measured. This is particularly
likely in humid climates.
If this may be a problem the purge inlet port can be used to connect a dry air supply
i.e. a supply with a dew point below the target temperature. This removes any
MAN0494-1 (Zetasizer APS Basic Guide).book Page 4 Friday, August 9, 2013 2:08 PM