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This pumps work as isocratic pump and together with Gradient Box also as gradient pump.
ECB2007 (ECB2007PC) Gradient Box is equipped with four way gradient mixing valve and must be orderedtogether with the pump.
These pumps are suited for preparative applications in liquid chromatography. There are designed with main and auxiliary pump heads connected in parallel with a piston diameter of 3/8”. New sophisticated unit allows achieving a precise low-pressure gradient, i.e. gradual changes of solvent composition by mixing up to four liquids at the pump’s entry. It is also possible to predefine percentage of composition when using the pump in isocratic mode. The gradient profile can be defined from computer or manually using display and keypad. There are many improvements which make pumps more reliable include a new learning algorithm for pulsation suppression; leakage sensor etc.
When necessary, it is possible to use of back washing pistons (e.g. when using buffered mobile phase). Pump is supported by ECOMAC and Claritysoftware.
All pumps are delivered with GFP (PTFE) seals a default, recommended optimal seals are UHMW-PE seals, ask for more information.
This pump is equipped with the Pressure Compensation Learning algorithm. Thanks to this smart adaptive process, the pump regulates the rotation speed of the camshaft and measure its impact on pressure pulsation to minimize the output pulsation as much as possible. The algorithm, due to its adaptive capacity, is applicable for many combinations of pump working conditions (solvents, columns, etc.).
|Flow rate||0.1 – 50 ml/min|
|Maximum operating pressure||30 MPa (4351 PSI)|
|Flow rate setting||0.1 ml/min steps|
|Repeatability of flow rate adjusting||± 0.5 %|
|Accuracy of flow rate setting||± 2 %|
|Wetted materials||stainless steel, PEEK, TefzelTM, PE, ceramic, seals|
|Power supply||100-240V 50/60Hz 100VA|
|Dimensions W x H x D||280 x 135 x 498 mm (11.02 x 5.12 x 18.23 in)|
|Weight||12 kg (26,5 lb)|
|Output capillary outer diameter||1/16”|
|Upper pressure limit (MPa)||0.1 – 30 (4351PSI)|
|Precision of pressure measurement||± 2 %|
|Supported Gradient Box||ECB2007, ECB2007PC|
|Pressure Compensation Learning||yes|