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| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | UV-1200 |
| Pricing | Available Upon Request |
| Display | 128 × 64 dot-matrix LCD |
| Wavelength Range | 190–1100 nm |
| Optical Resolution | 2.0 nm |
| Photometric Accuracy | ±0.3% T |
| Stray Light | ≤0.05% T at 220 nm and 360 nm |
| Detector | Imported silicon photodiode |
| Grating | 1200 lines/mm holographic blazed grating |
| Sample Compartment | Accommodates 5–100 mm pathlength cuvettes |
| Wavelength Calibration | Automatic (built-in holmium oxide or deuterium lamp reference) |
| Light Source Control | Auto-switching between D₂ (UV) and W-type tungsten-halogen (VIS/NIR) lamps with real-time lamp hour monitoring |
| Data Interface | USB 2.0 |
| Curve Storage | Up to 200 user-defined calibration curves |
| Software Compatibility | Windows-based PC control and data analysis suite (optional) |
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | UV752 |
| Price | USD 1,280 (FOB Shanghai) |
| Optical System | Achromatic Czerny-Turner with 1200 lines/mm grating |
| Wavelength Range | 195–1020 nm |
| Wavelength Accuracy | ±2 nm |
| Spectral Bandwidth | 5 nm |
| Wavelength Repeatability | 1 nm |
| Stray Light | ≤0.3%T at 360 nm |
| Photometric Accuracy | ±0.5%T |
| Photometric Repeatability | ±0.2%T |
| Photometric Range | 0–200%T, –0.301–2.000 A |
| Baseline Drift | ≤0.2%T/h |
| Baseline Linearity | ±0.004 A/h @ 500 nm |
| Noise | ≤0.3%T at 100%T |
| Stability | ±0.004 A/h @ 500 nm |
| Operating Modes | Transmittance (T), Absorbance (A), Concentration (C) |
| Display | 4-digit LED LCD |
| Zero Adjustment | Automatic |
| Wavelength Drive | Manual |
| Lamp Source | Imported tungsten lamp and deuterium lamp |
| Lamp Switching | Manual |
| Printer Interface | Parallel port (thermal printer, optional) |
| Net Weight | 12 kg |
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