Maintenance and Calibration
Performing a Flow Calibration
5-40
PDM 3600 Instruction Manual
Thermo Fisher Scientific
10.
Increase or decrease the flow rate reading on the flow meter by clicking
on the small black triangles located to the right of the “Pump Speed”
box (
Figure 5–59
). Adjust pump speed until the flow meter reads 2.2
lpm.
Figure 5–59.
Ref Flow Rate box active
11.
When the flow rate reading on the flow meter matches 2.2 lpm, record
the flow rate reading (from the flow meter) into the “No Restriction”
(lpm) white box. Wait 2-3 minutes to ensure the flow meter is stable.
12.
Select the “Apply” button. The PDM unit will begin the flow
calibration routine and will display a “Please wait, gathering data”
message on the Flow Calibration screen.
13.
A Warning/Confirmation screen will display with an “Attach orifice”
message.
14.
Remove the tubing adapter from the sample line.
15.
Locate the black or red with black stripe (0.028-inch) orifice. Install
one end of the orifice into the sample line then install the other end
into the tubing that is attached to the flow meter (
Figure 5–60
and
Figure 5–61
).
Summary of Contents for 3600 PDM
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