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Features
*Adopted high-class grating with wholly hermetic light path design, to ensure the instrument has the super low stray light
*Real-time monitoring the lifetime of Deuterium lamp and Tungsten lamp with advanced system
*With GLP self-check function, check the wavelength accuracy and Photometry accuracy
*Wavelength calibration, wavelength setting, change lamp source and dark current calibration automatically
*With Si02 coating optical mirror, reducing the pollution from outside fully
Basic Functions
1, Photometry
Test Abs., Transmittance and Energy by fixed wavelength
2, Quantitative
Linear fit and Linear fit through zero two modes
a.Coefficient, Standard Sample input and Standard Sample read three modes to establish standard curve
b. Establish A=K1*C+K0, can search original data, graph curve, parameters settings
c. Can save 240 group curves, can test 240 data in each curve
d. Double wavelength, Triple wavelength test functions
3, Kinetics
Used for time course scanning or reaction rate calculations A/t, can search all data.
4, Multi-Wavelength
Can test Transmittance and Abs. with 8 different wavelengths at most
5, Scanning
User can set the scan range from 190nm to 1100nm to test the max. Abs. peak value, can do derivation,
arithmetical operationsto the graph.
6, Biology
6 methods: DNA/Protein, UV, Lowry, BCA,CBB and Biuret
Technical Parameters
Model | BS-UV1900 BS-UV1900PC | BS-V1900 BS-V1900PC | |
Optical System | Single Beam, Grating 1200 lines/mm | ||
Wavelength Range | 190~1100nm | 320~1100nm | |
Spectral Bandwidth | 2nm | ||
Wavelength Accuracy | ± 0.5nm | ||
Wavelength Repeatability | ≤ 0.3nm | ||
Photometric Accuracy | ± 0.002A (0~0.5Abs), ± 0.004A (0.5~1.0Abs), ± 0.5% T (0~100% T) | ||
Photometric Repeatability | 0.001Abs (0~0.5Abs), 0.002Abs (0.5~1.0Abs), ≤ 0.2% T (0~100% T) | ||
Stray Light | ≤ 0.05% T @ 360nm; 220nm | ||
Stability | ± 0.0008A / h @ 500nm | ||
Baseline Flatness | ± 0.002A | ||
Noise | 0.0005Abs @ 500nm | ||
Display | 480 *272 65 thousand true color TFT LCD | ||
Photometric Mode | T, A, C, E | ||
Photometric Range | 0~200% T,-0.301~3.0A | ||
Detector | Silicon Photodiode | ||
Light Source | Deuterium Lamp, Tungsten Lamp | ||
Input | Membrane Keypad | ||
Output | USB2.0*2 Print and data output USB1.0 Connect PC | ||
Standard Accessories | 10mm glass cuvette *4 units 10mm quartz cuvette *2 units | 10mm glass uvette *4 units | |
Optional Accessories | Single cell holder,General cell holder,Test tube holder,Solid sample holder,Deuterium lamp,Halogen lamp,4-place Cell holder,Printer,Water-jacketedcell holder,Reflection accessory 5°,Auto 8-cell changer,Micro cell holder,Water-jacketed cell holder,Constant-temperature system | ||
Power Supply | AC110V/220±10% ,60/50Hz | ||
Packing Size(mm) | 620*500*370 | 620*500*370 | |
Gross Weight(kg) | 18 | 16.5 | |
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