- 1. Application
- Dual beam UV-Vis spectrophotometers are widely used in:
-
- Pharmaceutical analysis (drug assay, dissolution testing)
-
- Biochemistry (DNA/RNA & protein estimation)
-
- Environmental analysis (water quality testing)
-
- Food & beverage testing
-
- Chemical & petrochemical industries
-
- Academic & research laboratories
-
- 2. Compliance Standard
- Typical instruments comply with:
-
- GLP (Good Laboratory Practice)
-
- GMP (Good Manufacturing Practice)
-
- ISO / CE certification standards
-
- Pharmacopoeia standards (USP, IP, BP)
-
- 21 CFR Part 11 (optional, with software)
-
3. Product Description
- A dual beam, microprocessor-based UV-Vis spectrophotometer:
-
- Uses two optical paths (sample & reference) for high stability and accuracy
-
- Covers UV and visible range starting from 190 nm
-
- Features auto scanning across wavelengths
-
- Controlled via embedded microprocessor / ARM system
-
- 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
Main spectrophotometer unit
- Power cord
- Main Unit
- Sensor
- Cable
- Tray
- Carrying Case
6. Common Capacities Available
- Though not “capacity” in volume like glassware, typical configurations include:
-
- Single cell holder (standard)
-
- 4 / 6 / 8 cell holder (optional)
-
- Temperature-controlled cuvette holder
-
- Flow cell systems for continuous measurement
-
7. Optional Accessories
-
- PC software with advanced analysis
-
- Thermal printer
-
- Automatic 8-cell changer
-
- Sipper system (for liquid flow analysis)
-
- Pellet holder / solid sample holder
-
- Integrating sphere (for reflectance studies)
-
- Temperature controller
8. Dimensions & Weight (Approx.)
|
|
|
|
|
|
- (Varies by manufacturer and model)
- Key Features Summary
-
- Dual beam stability (reduces drift)
-
- Auto wavelength scanning
-
- Microprocessor control
-
- Multi-mode measurement (A, T, C, Kinetics)
-
- High accuracy and repeatability
-
- Suitable for research + QC labs
-
