System combination

The ideal liquid chromatography system widely used in central control, quality inspection, and laboratories can be selected from equimolar systems, binary to ternary high-pressure gradient systems, and binary to quaternary low-pressure gradient systems.

Features: Excellent accuracy and repeatability; Stable operation, high gradient operation ratio accuracy, and low maintenance cost; The maximum wide flow rate of 9.999mL/min meets the semi preparation requirements; Suitable for microanalysis at flow rates below 0.1mL/min.

■ Multiple configurations

The configurations of UV and UV visible variable wavelength detectors, differential refractive index detectors, diode array detectors, laser-induced detectors, and ELSD detectors fully meet the requirements for liquid chromatography analysis of complex sample systems.

Features: High sensitivity, wide linear range, suitable for various fields such as biomedicine, petrochemicals, food safety, environmental testing, research institutes, and university teaching.

■ Specialized device

With P230 Ⅱ high performance liquid chromatograph as the core, ELITE AAA amino acid analysis system, gel chromatography analysis system and other special analysis instruments can be constructed.

P230 Ⅱ High pressure constant current pump

Due to the use of a small cam driven short stroke plunger rod design, the infusion pulsation is very low; The application of stepper motor subdivision control technology enables the motor to run smoothly at low speeds; The installation method of floating guide and plunger, combined with imported high-quality plunger rod, sealing ring and flow compensation function, greatly improves the stability and durability of the instrument. It can form a dual pump high-pressure gradient system to meet the analysis needs of complex samples.

■ Characteristics
Real time pressure detection display, high pressure limit and low pressure limit alarm
● Set flow display, step size: 0.001mL/min
● Online real-time plunger rod automatic cleaning
● Automatic compensation of flow rate with changes in system pressure
● Three pressure unit conversion functions (MPa, psi, Bar)
Compensation for compressibility coefficient of mobile phase
● Can compensate for the set flow rate by ± 15%
RS485 data communication interface

UV230II UV Visible Detector

The UV230II UV visible detector adopts advanced electronic circuits, holographic concave grating optical path system, and imported key components, with excellent wavelength accuracy and repeatability. By controlling the sine mechanism with a microcontroller, the grating is rotated to achieve automatic wavelength setting. By using PC control, the time wavelength program can be implemented, and real-time switching of wavelengths can be analyzed online. It can obtain the maximum sensitivity for compound determination and has the function of stopping the pump for spectral scanning.

■ Characteristics

● Perform self check upon startup (power detection; deuterium lamp status detection; deuterium lamp energy detection)

The wavelength program can be programmed with nine wavelength times

● Stop pump spectral scanning

Automatically measure the number of times the deuterium lamp is turned on, the lamp status, the lamp lighting time, and the lamp energy

● Set deuterium lamp status

● Display error message: no light on, insufficient light energy, incorrect parameter settings

● Provide RS485/USB computer data communication interface

ZW chromatographic column constant temperature box

The chromatographic column constant temperature chamber is an important supporting equipment for high-performance liquid chromatography instruments. Accurately controlling the temperature of the chromatographic column plays an indispensable role in improving column efficiency, enhancing peak separation, shortening retention time, reducing column pressure, and ensuring reproducibility of analysis.

Intelligent PID self-tuning

● High brightness digital dual-mode display

● Workstation program temperature control and real-time status display

● Overtemperature alarm and power-off protection

Control accuracy up to 0.1 ℃

EC2006 Data Chromatography Processing Workstation

The EC2006 software is based on the Windows 98/2000/XP operating platform and adopts the latest software design technology (O-O technology). It features a 32-bit completely independent application program and the latest 24 bit A/D chip, 16 bit microcontroller, RS232, and USB communication standards for hardware. It can achieve real-time feedback and control of the P230 II high-performance liquid chromatograph, integrating the practical application experience of multiple chromatography experts and numerous customers, and has more accurate data processing functions.

By selecting a dual channel workstation, completely independent dual channel functionality can be achieved, which means that only one set of workstations can be used to connect two chromatographs or two detectors, providing users with greater flexibility.

24 bit data acquisition and storage mode

Excellent software performance

● Innovative automated process design for analysis

● Implement remote data collection and local processing

Unique integration event and quantitative calculation function

AIA Standard Data Input/Output Format (*. CDF)

Sampling without loss of peaks and accurate and reliable judgment of peaks

● Automatic integration processing of spectra

User defined printing report template

● Computer comprehensive control and real-time status feedback

performance index