8 sample degasser, 9 injection valve, Sample degasser – Metrohm 850 Professional IC AnCat MCS User Manual
Page 117: Injection valve
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6 Technical specifications
850 Professional IC – AnCat – MCS
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107
Pressure range
Pump
0…50.0 MPa (0…500 bar)
Pump head
0…35.0 MPa (0…350 bar) (applies for the standard PEEK pump head)
Residual pulsa-
tion
< 1 %
Safety shutdown
Function
Automatic shutdown upon reaching the pressure limit values
Maximum pres-
sure limit
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Adjustable from 0.1…50 MPa (1…500 bar)
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The pump is automatically shut down at the first piston stroke
above the maximum limit value
Minimum pres-
sure limit
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Adjustable from 0…49 MPa (0…490 bar)
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The shutdown mechanism is inactive at 0 MPa
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The shutdown mechanism only becomes active 2 minutes after sys-
tem start
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The pump is automatically shut down after 3 piston strokes below
the minimum pressure limit
Gradient capacity
Isocratic or gradient (extendable to quaternary)
Profile
Step, linear, convex and concave
Resolution
< 1 nL/min flow increments
6.8
Sample degasser
Material
fluoropolymer
Resistance to sol-
vents
No restriction (apart from PFC)
Build-up time for
the vacuum
< 60 s
6.9
Injection valve
Actuator time
typ.100 ms
Max. operating
pressure
35 MPa (350 bar)
Material
PEEK