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QUI-1164
5. Sampling
5.1 Running a sample
There are two run modes available on the pump:
■
Manual: the pump is manually turned on or off at a set point.
■
Timed: the pump starts at a pre-set time and runs for a pre-set duration
before stopping.
The desired run mode can be selected from the main menu using the
navigation keys.
5.2
Setting the flow rate
[1]
Select the appropriate flow rate range using the hex key provided:
Lo (20-449 mL/min) or Hi (>450 mL/min).
[2]
Use the navigation keys to move the cursor to 'Flow Set' on the Main Menu
screen, then select the desired flow rate using the adjustment keys.
[3]
Press 'Calibrate' to set the flow rate.
Once the flow rate has been set, and the pump calibrated. The sampling event can
be started by selecting Run from the main menu.
5.3 During the sampling event
■
The keypad can be locked by pressing and holding the increase and decrease
buttons simultaneously. A lock symbol will appear in the top status line. To
unlock the keypad, simply follow the same process.
■
The LCD display can be switched between several information screens using the
adjustment keys.
■
The stop menu can be accessed by pressing the enter button during run to
pause or stop the sampling event. If pause is selected, the pump stops with flow,
timing and total volume accurately maintained. The menu changes to allow
continuation of the event.