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

Advertising
background image

■■■■■■■■■■■■■■■■■■■■■■

7 Technical specifications

940 Professional IC Vario ONE/Prep 2 (2.940.1120)

■■■■■■■■

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)

Advertising