The P2000+ High-Pressure Constant-Current Pump features multiple advanced designs to ensure efficient, stable, and safe operation. Its core characteristics include: the use of an AC servo motor, which provides high power and smooth operation, effectively ensuring the accuracy and repeatability of preparation results at high flow rates; a unique three-plunger parallel reciprocating pump structure that significantly reduces infusion pulsation; dual correction functions for mobile phase compression coefficient and flow rate accuracy, enabling flow compensation within ±15% to ensure extremely high flow rate precision; external control via RS485 interface by chromatography workstations, facilitating the easy construction of high-precision binary high-pressure gradient systems and enabling flow rate gradient programming; equipped with real-time pressure monitoring, high/low pressure limit alarms, and dual mechanical safety valve protection, which automatically trigger alarms or depressurize when system pressure or temperature (e.g., 85°C) exceeds limits, ensuring high safety.
Flow rate range: 1-2000 mL/min (step size: 1 mL/min)
Maximum working pressure: 10 MPa at 0-1000 mL/min; 5 MPa at 1001-2000 mL/min
Pump seal integrity: Maintain at 10 MPa for 10 minutes with pressure drop ≤ 1.5 MPa
Operating environment: Temperature 0-40°C, humidity ≤ 80%
Power supply: AC 220V±10%, 50/60 Hz
Power consumption: 800 W
Dimensions: 600 mm (length)×350 mm (width)×230 mm (height)
The P2000+ High-Pressure Constant-Flow Pump is a high-performance infusion unit specifically designed for high-performance liquid chromatography (HPLC) preparative and semi-preparative applications. It provides stable and precise high-pressure constant-flow infusion, serving as the core component for constructing isocratic or binary high-pressure gradient chromatography systems. The pump supports full reverse control via chromatography workstations, enabling complex gradient configurations of mobile phases and flow rate-time programs, thereby meeting diverse research and production requirements across chemical, pharmaceutical, and biochemical fields. Its robust flow correction and compensation functions, real-time system pressure monitoring, and multiple safety protection mechanisms collectively ensure reliability, reproducibility of results, and the safety of operators and equipment during long-term, high-load operation.