Specifications 91
A
Flow accuracy ±0.5% of setting at 1 mL/min, or 30 µL/min, whichever
is larger, using degassed methanol at 1000 to 2000 psi
backpressure (each pump individually)
Gradient accuracy < ±1.0% between 10 to 90%, 1 mL/min, and 1000 psi
backpressure (methanol: methanol with 5.6 mg/L
propylparaben > 05 AUFS @257 nm and one GM150
mixer)
Gradient precision <0.5% RSD between 10 to 90%, 1 mL/min, and 1000
psi backpressure (methanol: methanol with 5.6 mg/L
propylparaben > 05 AUFS @257 nm and one GM150
mixer)
Gradient ripple <1.5% normalized to full scale between 10 to 90%,
1 mL/min, and 1000 psi backpressure (methanol: meth-
anol with 5.6 mg/L propylparaben > 05 AUFS @257 nm
and one GM150 mixer)
Gradient delay volume <60 µL (without mixer, no manual injector and no
column heater) < 500 µL (with one GM150 mixer, no
manual injector, and no column heater)
Table A-6 Performance Specifications for the 1525EF Pump (Continued)
Item Specification
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