Description
Features: 1. With SiO2 coating optical mirror, reducing the pollution from outside fully. 2. Adopted high-class grating with wholly hermetic light path design, to ensure the instrument has the super low stray light. 3. With GLP self-check function, check the wavelength accuracy and photometry accuracy. 4. Real-time monitoring the lifetime of Deuterium lamp and Tungsten lamp with advanced system. 5. Wavelength calibration, wavelength setting, change lamp source and dark current calibration automatically. 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 | BK-UV1900 BK-UV1900PC | BK-V1900 BK-V1900PC | |
| Optical System | Single Beam, Grating 1200 lines/mm | ||
| Wavelength Range | 190~1100nm | 320~1100nm | |
| Spectral Bandwidth | 2nm | ||
| Wavelength Accuracy | ±0.5nm | ||
| Wavelength Repeatability | ≤0.2nm | ||
| 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 | ≤ 0.04%T@360nm; 220nm | ≤ 0.04%T@360nm | |
| Stability | ± 0.001A/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 | USB Print and data output, Connect PC | ||
| Standard Accessories | 1cm glass cuvette*4, 1cm quartz cuvette*2, 1cm quadruple cuvette holder*1, Scanning software(only for PC type) | 1cm glass cuvette*4, 1cm quadruple cuvette holder*1, Scanning software(only for PC type) | |
| Optional Accessories | 1cm standard single slot cuvette holder, long optical path cuvette holder, cuvette, micro cuvette, test tube type absorber rack, solid sample holder, deuterium lamp(only for UV series),tungsten lamp, quadruple cuvette holder, printer, four-slot water bath type constant temperature absorption pool, X-Y adjustable micro absorption pool, single bath type constant temperature absorption pool, program-controlled thermostatic absorption pool seat, 8 racks, reflection accessories, general application software or scanning software(not for PC type) | ||
| Power Supply | AC85~265V, 50/60Hz | ||
| Package Size(W*D*H) | 620*500*370mm | ||
| Gross Weight | 18kg | 16.5kg | |
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