SKC Limited EPAM-5000 - Manual (Page 64)

5 - 7
Checking the Flow Rate
Introduction It is good technique to check the flow rate every time a new gravimetric filter
is used for sampling.
Checking the
flow rate Use the steps in the table below to check the flow rate.
Notes:
• When using an impactor, be sure the proper sampling inlet is attached to
the sensor head.
Step Action
1 Attach your airflow calibrator to the EPAM-5000 using the table
below.
If sampling... Then...
PM-10, PM-
2.5, PM-1.0 or
TSP
1. Attach one end of the calibration airflow
tubing to flow adapter.
2. Connect the other end of the calibration
airflow tubing to your airflow calibrator.
2 Activate the internal sampling pump using the steps below.
Step Action
1 Select Special Functions from the Main
Menu
2 Select System Options.
3 Select Extended Options.
4 Select Battery Status.
Note: Battery Status should indicate greater
than 6.1 volts for fully charged battery.
3 Observe the flow rate on your air flow calibrator.
If... Then...
The flow rate
is 4.0 LPM.
The flow rate is properly calibrated.
Detach the airflow calibrator tubing and
continue with the “Selecting the Particle
Size” process.
The flow rate
is not 4.0
LPM. The flow rate must be adjusted. See
page 5-7 for instructions.
No flow is
present. See Troubleshooting section on Chapter
6.