1. Application
Dual beam UV-Vis spectrophotometers are widely used in:
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Pharmaceutical analysis (drug assay, dissolution testing)
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Biochemistry (DNA/RNA & protein estimation)
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Environmental analysis (water quality testing)
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Food & beverage testing
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Chemical & petrochemical industries
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Academic & research laboratories
2. Compliance Standard
Typical instruments comply with:
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GLP (Good Laboratory Practice)
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GMP (Good Manufacturing Practice)
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ISO / CE certification standards
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Pharmacopoeia standards (USP, IP, BP)
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21 CFR Part 11 (optional, with software)
3. Product Description
A dual beam, microprocessor-based UV-Vis spectrophotometer:
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Uses two optical paths (sample & reference) for high stability and accuracy
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Covers UV and visible range starting from 190 nm
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Features auto scanning across wavelengths
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Controlled via embedded microprocessor / ARM system
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Equipped with graphical display or PC software
4. Technical Specifications
|
Parameter |
Typical Specification |
|
Wavelength Range |
190 – 1100 nm |
|
Optical System |
Double Beam, Grating (1200 lines/mm) |
|
Spectral Bandwidth |
0.5 – 5 nm (model dependent) |
|
Wavelength Accuracy |
±0.1 – ±0.3 nm |
|
Wavelength Repeatability |
≤ 0.1 nm |
|
Photometric Range |
0–200%T, -0.3 to 3A |
|
Photometric Accuracy |
±0.2% T |
|
Light Source |
Deuterium (UV) + Tungsten (Visible) |
|
Detector |
Photodiode / PMT |
|
Scanning Speed |
Up to 3000 nm/min |
|
Display |
LCD / Touch Screen |
|
Data Output |
USB / PC connectivity |
5. Apparatus is Supplied With
Standard supply typically includes:
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Main spectrophotometer unit
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Quartz cuvettes (pair)
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Power cable
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Dust cover
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User manual
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Software (optional or built-in)
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USB cable / data interface
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Test tubes / sample holders
6. Common Capacities Available
Though not “capacity” in volume like glassware, typical configurations include:
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Single cell holder (standard)
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4 / 6 / 8 cell holder (optional)
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Temperature-controlled cuvette holder
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Flow cell systems for continuous measurement
7. Optional Accessories
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PC software with advanced analysis
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Thermal printer
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Automatic 8-cell changer
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Sipper system (for liquid flow analysis)
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Pellet holder / solid sample holder
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Integrating sphere (for reflectance studies)
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Temperature controller
8. Dimensions & Weight (Approx.)
|
Parameter |
Value |
|
Dimensions |
600 × 450 × 200 mm (approx.) |
|
Weight |
20 – 35 kg |
(Varies by manufacturer and model)
Key Features Summary
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Dual beam stability (reduces drift)
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Auto wavelength scanning
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Microprocessor control
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Multi-mode measurement (A, T, C, Kinetics)
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High accuracy and repeatability
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Suitable for research + QC labs