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LSQ-5/5S Dual-beam ultraviolet-visible spectrophotometer
Product Features
1. Superior Measurement Accuracy
High wavelength accuracy of ±0.3nm and repeatability better than 0.1nm ensure dependable analytical results.
2. Exceptional Sensitivity
PMT detector provides enhanced response for low-concentration samples and weak absorbance measurements.
3. Ultra-Low Stray Light
Less than 0.01%T stray light minimizes measurement errors, especially in UV applications.
4. Broad Application Flexibility
Compatible with multiple sample holders, accessories, and automated systems.
5. Regulatory Compliance Ready
Supports electronic signatures, audit trails, and secure data management for regulated industries.
6. Long-Term Stability
Optical and electronic isolation design minimizes thermal and electromagnetic interference.
Product Parameters
| Parameter | LSQ-5 / LSQ-5S |
| Optical System | Double Beam |
| Detector | Photomultiplier Tube (PMT) |
| Wavelength Range | 190–900 nm |
| Wavelength Accuracy | ±0.3 nm |
| Wavelength Repeatability | ≤0.1 nm |
| Stray Light | <0.01%T |
| Photometric Accuracy | ±0.3%T; ±0.004Abs (0–0.5Abs); ±0.006Abs (0.5–1.0Abs) |
| Photometric Repeatability | ≤0.1%T; ±0.002Abs (0–0.5Abs); ±0.003Abs (0.5–1.0Abs) |
| Spectral Bandwidth | 0.1–5 nm Continuous Adjustment (Q-5S) |
| Interfaces | RS232, USB |
| Calibration | Built-in Calibration Lamp |
| Software Compliance | GMP / GLP / FDA 21 CFR Part 11 |
Application Areas
Pharmaceutical Industry
Environmental Monitoring
Food and Beverage
Biotechnology and Life Science
Academic Research
Chemical Industry
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