
This high-performance system is designed for routine analysis. Its dual-plunger pump, featuring floating guided plunger and short‑stroke cam, ensures smooth, low-pulsation flow. Microstepping motor control and dual corrections for flow rate and compressibility guarantee gradient stability and flow accuracy.
Real-time Monitoring & Optical Precision
Pressure is monitored in real time with upper/lower alarms, and units can be set to MPa, psi, or bar. The optical system, with optimized heat dissipation, delivers low noise and minimal drift. A precision stepper motor ensures wavelength accuracy, while automatic spectral scanning and wavelength-time programming simplify method development.
Versatile Solvent & Detector Compatibility
The high‑pressure flow cell supports a wide flow range and is compatible with normal-phase, reversed-phase, and GPC solvents. Multiple detectors – UV/vis, FL, ELSD, RID – are available, making the system suitable for pharma, chemical, environmental, food, and academic applications.
Full Compliance & Value
Kromstation software provides audit trails, user permissions, and electronic signatures for full data integrity. The Agress 1100+ offers an ideal balance of performance, durability, and value for both routine and teaching laboratories.




Pump flow stability: during the 12-month test period, the flow stability of the P1100+ high-pressure constant-flow pump ranged from 0.054% to 0.058%, demonstrating the pump's excellent stability, which ensures the reproducibility of the test results.

Pump seal integrity: during the 12-month test period, the pressure drop of the P1100+ high-pressure constant-flow pump ranged from 0.31 MPa to 0.37 MPa, demonstrating the pump's high quality, which ensures durability and reliability over prolonged operation.











