Precise ratio distribution and flow control: Utilizing a high-speed four-position proportional valve and cam positioning mode to ensure accurate infusion ratios and timely activation.
Excellent infusion stability: The reciprocating pump head structure formed by dual plungers in parallel with 5mm ensures stable flow rate during prolonged operation.
Intelligent flow calibration: Features dual flow correction capability, allowing software-based adjustment of mobile phase compression coefficient and segmented regulation to ensure output accuracy across the entire flow range.
Flexible multi-channel switching: Equipped with a four-way channel switching function, it effortlessly meets the analytical requirements of diverse mobile phases, eliminating the hassle of frequent solvent changes.
Flow range: 0.001 mL/min to 10.000 mL/min
Maximum operating pressure: 63 MPa (at 0.001–2.000 mL/min)
Gradient mixing precision (RSD): ≤ 0.3%
Gradient composition ratio: 0–100%
Power supply: AC 220V (±10%), 50Hz
Power consumption: 100W
The P3130 low-pressure quadruple constant-flow pump, serving as the core infusion unit of high-performance liquid chromatography (HPLC) systems, enables precise, stable, and continuous delivery of high-pressure liquids. It facilitates the conversion of chromatographic systems to quadruple low-pressure gradient systems by integrating with other modules such as detectors, autosamplers, and column temperature chambers, thereby providing flow phases of varying ratios and high purity for routine analysis and method development. This pump maintains exceptional stability and accuracy across a wide range of flow rates and pressures, ensuring reliable execution of complex gradient analyses and yielding chromatographic results with high reproducibility and resolution.