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| Product Name | Yoke 721 spectroPhotoMeter | YUEFENG 721 Visible Spectrophotometer |
| Product Price | In coming | $270.00 |
| Details | Details | |
| Model comparison | ||
| Spectral Type | Visible | Visible |
| Optical Path | Single-Beam | Single-Beam |
| Dispersion | Grating | Grating |
| Detection | ||
| Light Source | Tungsten | Tungsten |
| Wavelength | 325-1100nm | 200-1000nm |
| Accuracy | ≤2nm | ≤2nm |
| Bandwidth | 4-6nm | 2-4nm |
| Detector | ||
| Stray Light | ≤0.5%T | |
| Parameter comparison | ||
| Optical inspection system | Eliminate color difference Czerny-Turner (1200L/mm grating) | Single beam of light, 1200 Diffraction gratings |
| Light spectrum bandwidth | 6 nm | |
| wavelength Range | 350~1020 nm | |
| Wavelength accuracy | ±2 nm | |
| Wavelength, repeability | ≤1 nm | |
| Photometric Range | 0~200%T、-0.3~3.0A、0~9999C | 0~100%(T),-0.050~3.000(A) |
| Photometric accuracy | 0.5%T | |
| Luminosity, sexual repeability | 0.2%T | |
| stray light | ≤0.3%T@360nm | ≤0.5%(T)(360nm,JB400) |
| Noise level | ≤0.3%T | |
| stability | ±0.004A/h@500nm | |
| Baseline flatness | ≤0.2%T | |
| Operating Mode | T、A、C | Transmittance, Absorption |
| printout | RS232 (optional) | |
| display | LCD liquid crystal display | |
| analysis software | without | |
| Illuminant | Imported tungsten lamp | Tungsten halogen lamp |
| weight | 8 kg | |
| Wavelength driving method | manual | |
| Zero setting | automatic | |
