6
Troubleshooting
Diagnostic Tests
114
Accela 600 and 1250 Pump Hardware Manual
Thermo Scientific
6. Determine the height (absorbance value) of the steps (A through H) from baseline to top
(see
Figure 110.
Step gradient profile for testing compositional accuracy (Accela pump validation software)
Hold (48.6–53.0)
53.0
0
0
0
100
Step down (53.0–53.1) 53.1
0
0
100
0
Hold (53.1–60.0)
60.0
0
0
100
0
Table 14.
Gradient file for quaternary pumps (Sheet 2 of 2)
Gradient
Time
(minutes)
% A
Water
% B
Spiked water
% C
Water
%D
Spiked water
A
B
C
D
E
F
G
H