Chapter 2
8
Figure 2-2: The Back of the Instrument
1. On/Off switch
4. AC Adapter socket
2. Inlet quick-connect fitting
5. Headphone jack
3. Communications port
6. Alcohol cartridge
Using the AC Adapter
The AC adapter allows you to power the P-T
RAK
®
particle counter
from an AC wall outlet. When using the AC adapter, the batteries (if
installed) will be bypassed. The AC adapter will not charge
the batteries.
The P-T
RAK
®
particle counter has an internal, non-user accessible
battery that is used for battery back-up of logged data when the
instrument is turned off. Removing/changing the alkaline batteries or
disconnecting the AC adapter will not cause data to be lost. This backup
battery will last for years. TSI will install a new battery, if necessary,
when the unit is returned to the factory for service.
1
2
3
4
5
6
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