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preparative gradient pump lcp 50s
is a double-acting pulse less gradient preparative pump making possible to form up to ternary low pressure gradients of mobile phases with flow-rates ranging from 0,5 to 50 ml/min.
a maximum operation pressure of 28 mpa. the pump is equipped with electronic fuses which stop the flow when preset either maximum or minimum operating pressure limits are exceeded. when necessary it is possible to use back rinse of pistons (e.g. after using buffered mobile phases). ceramic check valves in a peek housing facilitate cleaning.
the programs controlling the changes in gradient composition during analysis may be stored in a memory.
the start may be initiated either from pc or with a switch on an injection valve.
the unit is controlled using rs 232.
flow range | 0,5 – 50 ml/min |
method of setting | continuously in 0.1 ml/min steps |
maximum operation pressure | 28 mpa |
accuracy of se-lected flow (10 ml/min, 12mpa, h2o) | ± 2% |
accuracy of pressure measurement | ± 2% |
adjustable lower pressure limit | 0 – 28 mpa (in 0.1 mpa steps) |
adjustable upper pressure limit | 0 – 28 mpa (in 0.1 mpa steps) |
pumping system | two plungers dia. 3/8" in parallel connection, operating in counter strokes |
materials of pump heads | stainless steel |
mixing of mobile phase gradient | at the inlet to the pump |
number of valves | 3 (a, b and c) |
maximum number of gradient sections | 50 |
setting of concentrations of components b and c | 0 – 100% in 1% steps |
component a | automatically adjusted to 100% |
duration of a single gradient section | 1 s to 999 min 59 s |
maximum number of stored files (programmes) | 100 |
power supply | 230 v ± 10% , 50 hz(115 v, 60 hz) |
power input | 90 va |
dimensions (w x h x d) | 185 x 158 x 460 (+58)mm |
weight | 12 kg |
UV-VIS Variable Wavelength detector
SAPPHIRE 800 UV-VIS Variable Wavelength DETECTOR〈br〉〈br〉is a detector with continuously variable w
With a flow rate 0.1 – 50 ml/min and a pressure limit of 28 MPa, this pump is suited for semi-prepar
The pump is equipped with electronic fuses which stop the flow when preset either maximum or minimum
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