9 injection valve, 10 detector, 11 sample degasser – Metrohm 940 Professional IC Vario ONE/Proep 2 User Manual
Page 95: 12 peristaltic pump, Injection valve
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7 Technical specifications
940 Professional IC Vario ONE/Prep 2 (2.940.1120)
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87
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
Detector
You can find the technical specifications for the detector in the detector's
manual.
7.11
Sample degasser
Material
Fluoropolymer
Resistance to sol-
vents
No restriction (except PFC)
Time to establish
vacuum
< 60 s
7.12
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)