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Instrument Operation Teledyne API Ultrafine Particle Monitor - Model 651
48 07506C DCN6727
The following pages contain descriptions of the SETUP options.
SAMPLE TIME
SETUP | SAMPLE TIME
Select a sample time in seconds for the on-screen graph. Press the
SAMPLE TIME button to scroll through the settings. Sample Time
choices are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, and 60 seconds. If
you intend to gather data for long periods of time, use the longer
sample times to reduce the number of data files.
VACUUM
SETUP | VACUUM
Select one of the following vacuum settings:
Vacuum Setting Description
ON AFTER
WARMUP
Turns on the vacuum. Message displays during
the warm-up process.
ON
Turns on the vacuum valve. Message only
displays when warm-up is complete.
OFF
Turns off the vacuum valve.
Note: You can toggle between the ON and OFF settings.
INLET MODE
SETUP | INLET MODE
Set the inlet flow in liters per minute. Press the INLET MODE
button to scroll through the settings. Inlet flow choices are:
Inlet Mode Setting Description
3 L/min
This setting will pull the total flow through the inlet:
including sample flow (0.12 lpm), transport flow
(0.48 lpm), and auxiliary flow (2.4 lpm), This is
flow during normal operation.
0.12 L/min
This setting will include sample flow (0.12 lpm)
only through the inlet, transport and auxiliary flows
are off.
0.6 L/min
This setting will include only the transport (0.48
lpm) and the sample flow (0.12 lpm) through the
inlet and the auxiliary flow is off.