6 Troubleshooting and Diagnostics
Pump Self Test
1260 Infinity II Flexible Pump User Manual 116
Pump Leakage:
The pump leakage is measured when any of the other leakage tests is selected.
First, a full pump leak rate test is run, which can be limited to the maximum
allowed system pressure. After that a pressure test is performed.
Mixer Leakage:
Determines the leakage at the mixer (if installed). The overall leak with the mixer
in the flow path is determined and the value for the secondary leak is subtracted
from it.
Filter Leakage:
The Filter Leakage is calculated by subtracting the result of a system pressure
test with the filter in the flow path from the result of the system leakage
determined before.
Total Valve Leakage:
The overall leak of the valve is measured with the mixer (if installed) and the filter.
The result is subtracted from the system leakage determined before.
Filter Restriction:
The values of the back pressure of the pump at a flow of 1 mL/min with and
without filter are compared.
Mixer Restriction:
The values of the back pressure of the pump at a flow of 1 mL/min with and
without mixer are compared, the result for the filter restriction is subtracted.
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