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| Brand | Hengmei |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | HM-MD |
| Spectral Bandwidth | 4 nm (2 nm optional) |
| Wavelength Accuracy | ±1 nm |
| Wavelength Range | 190–1100 nm |
| Photometric Range | 0–200% T, −0.3–3 A |
| Stray Light | ≤0.1% T |
| Photometric Accuracy | ±0.5% T, ±0.004 Abs (0–0.5 A) |
| Photometric Repeatability | ±0.5% T, ±0.004 Abs (0–0.5 A) |
| Baseline Stability | ±0.002 Abs at 500 nm (3 min) |
| Detector | Imported Silicon Photodiode |
| Monochromator | Czerny-Turner with Holographic Blazed Grating (1200 lines/mm) |
| Display | 7-inch TFT-LCD Touchscreen (1024 × 768) |
| Connectivity | USB, Wi-Fi (standard), Bluetooth (standard), optional PC software (Yokelab), cloud integration via YOKE@Clouddata |
| Data Storage | 2000 spectra, 96 calibration curves |
| Scan Speed | up to 3000 nm/min |
| Lamp Switching | Automatic (default 340 nm, user-configurable) |
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