The UV-1990 Double Beam UV/VIS Spectrophotometer is a high-performance analytical instrument designed for accurate and reliable spectrophotometric analysis across laboratory, industrial, pharmaceutical, petrochemical, food, and research applications. Equipped with a double beam optical system and advanced wavelength scanning technology, this spectrophotometer delivers precise measurement results with exceptional stability and repeatability.
SALIENT FEATURES:
• 7 Inches color Touchscreen and window graphic interface.
• Memory about 1 GB for saving test data and Different curves.
• Supports external storage through USB & SD card.
• Automatic Temperature Compensation on (ATC) ensures high accuracy.
Standard Accessories:
• Instruction manual
• Glass/ quartz cuvette
• Dust cover
Specifications
| Model | UV-1990 |
|---|---|
| Make | Galaxy |
| Bandwidth | 1 nm |
| Cell Holder | Sample & reference cuvette holder (both 10mm) |
| Optical System | Double Beam (1200 lines/mm Grating) |
| Wavelength Range | 190 ~ 1100 nm |
| Wavelength Accuracy | ± 0.3 nm |
| Wavelength Repeatability | ± 0.2 nm |
| Scanning Speed | High, Medium, Low (Max. 3000 nm/min) |
| Photometric Range | -3 ~ 3A, 0~200%T, 0~9999C |
| Photometric Accuracy (T) | ± 0.2%T |
| Photometric Repeatability | 0.15%T, 0.001A (0–0.5A), 0.002A (0.5–1A) |
| Stability | ± 0.001 A/h (500 nm, preheating for 1 hr) |
| Photometric Accuracy (A) | ≤±0.002A(0~0.5A), ≤±0.004A(0.5~1A), ≤±0.006A(>2.0) |
| Baseline Flatness & Noise | ± 0.001A/h, 0.0005A at 500nm |
| Stray Light | <0.03%T @ 220nm, 360nm |
| Data Output | USB, RS232 |
| Printer Port | Parallel Port |
| Display | 7″ Large Colourful LCD |
| Lamps | D2 & Tungsten Halogen Lamp |
| Detector | Silicone Photodiode |
| Power Supply | AC 220V / 50Hz |
| Dimensions & Weight | 590 x 475 x 250mm & 20 kg |
Frequently Asked Questions (FAQs)
1. What is the wavelength range of the Galaxy UV-1990 Spectrophotometer?
The instrument offers a wavelength range of 190 to 1100 nm, suitable for UV and visible spectrum analysis.UV-1990-Double-Beam-Spectrophot…
2. What type of optical system does the UV-1990 use?
The UV-1990 uses a Double Beam Optical System with a 1200 lines/mm grating for enhanced measurement accuracy and stability.
3. Which industries commonly use this spectrophotometer?
It is widely used in:
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Pharmaceutical industries
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Chemical laboratories
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Petroleum and refining industries
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Food and beverage testing
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Sugar industries
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Research institutions and universities
4. Does the instrument support data export?
Yes, the UV-1990 supports USB and RS232 connectivity, allowing users to export data to a PC and save files in CSV format.
5. Can the spectrophotometer perform DNA and protein analysis?
Yes, the software supports DNA/protein testing along with kinetics, wavelength scanning, and standard curve analysis.
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6. What display does the instrument have?
The UV-1990 is equipped with a 7-inch large colorful LCD touchscreen display for easy operation and direct curve visualization.
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7. What accessories are included with the instrument?
Standard accessories include:
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Software
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10mm Glass Cuvette
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10mm Quartz Cuvette
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Instruction Manual
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Power Cord
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8. What is the scanning speed of the UV-1990?
The instrument offers high, medium, and low scanning modes with a maximum scanning speed of 3000 nm/min.
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9. What type of detector is used in the instrument?
The spectrophotometer uses a Silicone Photodiode detector for accurate signal detection.
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10. Why choose a double beam spectrophotometer?
A double beam spectrophotometer provides improved stability and accuracy by simultaneously measuring the sample and reference, minimizing fluctuations and enhancing reliability.
