HDL-A combined ultraviolet detector (high-performance dual beam)

(Wavelength range: 254nm, 280nm-400nm. Rotate the dial to change the wavelength, and up to 6 filters can be selected.)

Including constant flow pump: flow rate of 0.6-200ml/min, built-in data processing.

Application scope of UV detector

High performance dual beam UV detector, used for separation, analysis, and flow detection of proteins, enzymes, nucleic acids, nucleotides, peptides, (with/without aromatic amino acids), and any other biological/non biological samples with UV absorption.

1. Light source: UV spectral lamp, mercury lamp light source with a service life of up to 10000 hours (equivalent to AKT brand light source abroad), the instrument can work continuously without shutting down;

2. Receiver: Dual photodiodes;

4. Digital display: directly display absorbance;

5. Band width: 8nm;

6. Baseline noise: ≤± 1.0 × 10-4AU;

7. Baseline drift: The instrument adopts a dual beam detection principle to solve the baseline drift caused by changes in temperature and humidity,

The drift coefficient is: ≤± 1.0 × 10-3AU/hr;

8. Minimum detection limit: 1 × 10-8g/ml; (Methanol solution of naphthalene)

9. Sample cell: Volume: 70ul Optical path: 3mm

Optional: Sample Cell: 9ul Optical Path: 10mm (for micro and quantitative analysis of samples)

Optional: Flow Sample Cell: U-shaped (for semi preparation, preparation, and production types)

Optical path length: 4mm, 6mm, 7mm * Flow rate: 0-500ml/min, 2500ml/min, 0-4500ml/min

10. Accuracy: Using internationally advanced ultraviolet light sources, the monochromaticity accuracy is as high as 99.9%, and the measurement accuracy is high;

11. Stability time: Using the dual beam measurement principle, it takes 10 minutes from startup to stable operation

12. High precision, USB interface, 24 bit high-precision A/D conversion, resolution of ± 1UV.

13. Input channel level range: -1v to+1v (expandable 2V)

14. Sampling frequency: 6, 12, 25, 50 times/second.

16. Linearity:<± 0.1%

17. Reproducibility: Error ≤ 0.06%

18. Timeliness: USB interface, dual channel data acquisition, real-time analysis and storage of sampled data, can set sampling frequency at any time, and change

Parameters such as peak width, slope, stop time, etc.

19. Active peak recognition and peak processing capability

20. Easy qualitative calibration (arbitrary multi-point calibration)

21. Custom analysis methods: There are six analysis methods, and different method files can be called for different samples

22. Multiple format data storage

Note: The technical specifications of this detector are required for quantitative testing of drugs in pharmaceutical factories across the country. FB-2 constant flow pump

1. Flow rate: continuously adjustable from 0.6 to 200/min;

2. Pressure: ≤ 3.5kg/cm2;

3. Speed range: adjustable from 0.1 to 100 revolutions per minute, reversible in both forward and reverse directions;

4. Speed regulation method: continuous adjustment with the positive film button;

5. Display mode: upright LED digital display;

6.Pump characteristicsAdopting the 64 subdivision principle of microcontroller, the flow pulsation is small, and the flow can be adjusted freely during operation. The noise is low, and it has memory function and exhaust function.