n Checking the pulse《PULSE CHECK》
When checking operation, connect a resistance tube to the pump outlet to create 5 MPa
to 10 MPa pressure at 1 mL/min during delivery.
1
Press [Enter].
2
Set the acceptance criterion (MPa) of
pressure variation (pulse).
Input the set value with the numeric
keypad and press [Enter]. Start delivery at
1 mL/min.
The value range is 0.05 to 1.00 MPa.
• When setting 0.20 MPa as the acceptance criterion, input a value as shown in the figure.
Standard of the acceptance criterion (MPa) : 0.20 MPa or less (When connecting the
resistance tube 4 m x 0.1 mm I.D and delivery of water at 1 mL/min.)
The measurement starts after 1 minute
during pumping. During measurement, the
set flow rate (1 mL/min), measured
pressure, pressure variation, and remaining
time are displayed.
After measurement, the panel displays the
measured pressure variation with pass or
fail, and then the results and the
measurement date and time are stored in
the memory of the instrument.
Before measurement, make sure that the compressibility correction parameter of
the solvent is correctly set.
"Setting the compressibility of solvent《COMP》" P.32
LC-40D X3 CL LC-40D XR CL
55
3.6 VP Functions Screen
3
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