Metrohm 940 Professional IC Vario ONE/SeS/PP/Prep 3 - Manual (Page 123)

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7 Technical specifications
940 Professional IC Vario ONE/SeS/PP/Prep 3 (2.940.1530)
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Gradient capabil-
ity Isocratic or gradient (extendable to quaternary)
Profile Step, linear, convex and concave
Resolution < 1 nL/min
7.9 Injection valve
Actuator switch-
ing time typ. 100 ms
Maximum operat-
ing pressure 35 MPa (350 bar)
Material PEEK
7.10 Suppressor
Resistance to sol-
vents No restriction
Switching time typ. 100 ms
7.11 Peristaltic pump
Type 2-channel peristaltic pump
Direction of rota-
tion Clockwise/counterclockwise
Rotational speed 0 - 42 rpm in 7 levels of 6 rpm each
Pumping charac-
teristics 0.3 mL/min at 18 rpm; with standard pump tubing (6.1826.420)
Pump tubing
material Recommended: PharMed® (Ismaprene)