1. Product introduction
1: LCD display, friendly interface, easy to operate;
2: Automatic wavelength calibration, automatic deviation repair;
3: 24-bit high-speed A/D conversion, the instrument is accurate and sensitive;
4: The large sample room can accommodate 5-100mm cuvettes;
5: Single beam optical path 1200±10 strips/mm grating.
2. Product parameter
Model | YK-EV2 |
Wavelength range | 320~1020nm |
Spectral bandwidth | 4nm |
Wavelength accuracy | ±2.0nm |
Wavelength repeatability | ≤0.5nm |
Detector | imported silicon photodiode |
Wavelength setting | automatically set the wavelength, with a wavelength resolution of 0.1nm |
Luminosity range | 0~200%T, -0.3~3A, 0~9999C, 0~9999F |
Photometric accuracy | ±0.002A (0~0.5A), ±0.004A (0.5~1A), ±0.3%T (0~100%T) |
Photometric repeatability | ≤0.001A (0~0.5A), ≤0.002A (0.5~1A), ≤0.2%T (0~100%T) |
Stray light | ≤0.1%T (220/360nm) |
Baseline drift (stability) | ≤0.002A/h (500nm,0A) |
Noise | ±0.2%T (0%T line); ±0.5%T (100%T line); ±0.001A (at 500nm) |
Baseline straightness | ±0.003A |
Scanning speed | three gears adjustable for high, medium and low speed |
Light source | imported long-life tungsten lamp and deuterium lamp (without optical debugging) |
Display | 128x64 dot matrix LCD display |
Keyboard | touch the membrane button |
Data interface | USB port |
Power supply | AC90-250V, 50/60Hz |
Dimensions | 500x400x300mm |
Weight | 12kg |
3. Product features and application
1. Independent double optical path and double beam optical system;
2. Can independently complete photometric measurement, quantitative measurement, spectral scanning, kinetics, DNA/ protein testing functions;
3. Suspension type optical system design, strengthen the design of thickened bottom plate, eliminate the impact of vibration or deformation on the optical system;
4. The software is fully compliant with 21CFR Part 11, audit trail, pharmacopoeia and electronic signature;
5. Large screen dot matrix liquid crystal, clear map data display, friendly interface, easy to operate;
6. Smaller spectral bandwidth, higher resolution, fully meet the requirements of the pharmacopoeia, wider application range;
7. Long life environment-friendly deuterium lamp with flange seat, light replacement is free of optical debugging;
8. The graph and data can be saved in real time, and can be maintained when power is off. It can be printed and exported to PC.
4. Fields of use
VIS spectrophotometer is one of the analytical instruments with the longest history, the most widely used and the widest coverage in the world. It is widely used in life science, medical science, environmental science, agricultural science, metrology science, food science, geological science, petroleum science, medical and health care, iron and steel metallurgy, chemistry and chemical industry and other fields.
5. Product details
VIS spectrophotometer with high precision, high resolution, low noise, low stray light characteristics.
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