CAUTION: The 2H should always be positioned so that the Power Switch, located on
the rear panel, is readily accessible in the event the unit needs to be powered off quickly.
The Power Connector accepts the female end of the Power Cord that comes with the unit. The
internal power supply is a universal supply that can operate at either 50 or 60 Hz and with any
voltage from 90 to 240 volts, for use in virtually all countries. Therefore, any plug with the correct
female end (IEC-320 standard) may be attached to the unit and the universal power supply will
automatically switch to use the supplied input power.
The Vacuum Pump Exhaust HEPA Filter is provided so that the sensitive environments of
cleanrooms can be maintained. The air expelled by the unit is continually filtered of all
particulate matter generated by testing aerosols and the unit using this HEPA exhaust system.
2.5 SIDE CONNECTION
Figure 3. RS-232 Port
RS-232 Port. % Leakage data is continuously sent via the RS-232 port as it is updated on the
Front Panel Display, approximately once per second.
It is recommended that this data be logged to either one of ATI’s data acquisition systems, the
DAS1 or the DAS2. Contact ATI or your local representative to learn more about data logging
options.
If using a terminal program to receive this data, a straight cable must be used (as opposed to a null
modem cable). If using a Pocket PC (PPC) to receive data, the type of cable will depend upon the
brand of PPC. Contact ATI customer service for complete details.
Revision A
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