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| Brand | Lanjing |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | LJ350UV |
| Price | USD 1,390 (FOB Qingdao) |
| Wavelength Range | 200–400 nm (UV-C to UV-A) |
| Spectral Bandwidth (FWHM) | 2 nm |
| Optical Resolution | 0.2 nm |
| Wavelength Accuracy | ±0.5 nm |
| Detector | High-precision CCD array |
| Input Aperture | Ø10 mm |
| Display | 5.0" IPS capacitive touchscreen |
| Operating System | Embedded Linux |
| Battery | 4000 mAh Li-ion, 10 h continuous operation |
| Data Storage | 4 GB microSD (≥60,000 records) |
| Interface | USB Type-C (≥1 A current rating) |
| Illuminance Accuracy | Class I (±4% reading ±1 digit) |
| Chromaticity Repeatability | ±0.0005 in CIE 1931 (x,y) |
| CCT Range | 1,000–100,000 K |
| Stray Light | ≤0.3% |
| Operating Temp. | −10 to +40 °C, RH <70% (non-condensing) |
| Storage Temp. | −20 to +45 °C, RH <70% (non-condensing) |
| Dimensions | 146 × 81 × 22.8 mm |
| Weight | ~300 g (body only, with battery) |
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