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| Product Name | Yoke UV755B spectroPhotoMeter | YUEFENG 770S UV-Visible SpectroPhotometer |
| Product Price | In coming | $2591.00 |
| Details | Details | |
| Model comparison | ||
| Spectral Type | UV-Vis | UV-Vis |
| Optical Path | Single-Beam | Pseudo-Double-Beam |
| Dispersion | Grating | |
| Detection | Scanning | Scanning |
| Light Source | Tungsten Deuterium | Tungsten Deuterium |
| Wavelength | 190-1100nm | 190-1100nm |
| Accuracy | ≤1nm | ≤0.5nm |
| Bandwidth | ≤2nm | ≤2nm |
| Detector | ||
| Stray Light | ≤0.2%T | ≤0.2%T |
| Parameter comparison | ||
| wavelength drive | automatic | |
| wavelength Range | 190~1100nm | |
| Wavelength accuracy | ±1nm | |
| Wavelength, repeability | 0.2nm | |
| Light spectrum bandwidth | 2nm | |
| Transparency accuracy | ±0.5%T | |
| Transparency, sexual repeability | 0.2%T | |
| Transmittance Ratio Range | 0.0~200%T | |
| Absorption Range | -0.30~3.0A | |
| Concentration display Range | 0~1999 | |
| stray light | 0.2%T@220nm、360nm | ≤ 0.15% (T) (at 220 nm, as NaI) (at 360 nm, as NaNO2) |
| stability | +/- 0.002A/h @500nm | |
| Rs232 communication | Yes. | |
| printer | optional | |
| analysis software | support | |
