Teledyne API Ultrafine Particle Monitor - Model 651 Instrument Operation
07506C DCN6727 45
Warm-up
When you have successfully made all the connections described in
the Installation section of Chapter 2, and turned on the power, the
Home screen appears on the display and reads Warmup. When the
warm-up process is complete, and the optics and growth tube
temperatures are within two degrees of their standard operating
temperatures, the display reads Ready. You can then use the menus
to do the following:
Turn flow on and off.
Set the date and time.
Set sampling parameters.
Check flow.
Collect data.
Set the network and data collection options.
Display/User Settings
Read this section for details of the screens, how to make selections,
and how to change options.

HOME Screen

The Home screen displays a real-time sample graph of the
concentration in particles/cm3, the STATUS of the instrument, and
the SETUP and TOTAL options. You can return to the Home screen
from any other screen by pressing HOME.
The following screens are accessible from the home screen and are
described on the following pages:
STATUS
SETUP
TOTAL

STATUS Screens

The two STATUS screens display a variety of real-time readings to
give you an instant view of the operational status of the instrument.
The following status colors are significant:
Red indicates a parameter that is “out of range.”
Yellow indicates something “in process.”
White indicates “normal” conditions.