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| Product Name | jinghua UV1900 UV-Visible SpectroPhotometer | YUEFENG UV759(PC) UV Spectrophotometer |
| Product Price | $3578.00 | $1379.00 |
| Details | Details | |
| Model comparison | ||
| type | UV Visible | UV Visible |
| Type of light beam | Single beam of light | Single beam of light |
| light source | Tungsten lamp deuterium lamp | Tungsten lamp deuterium lamp |
| Light spectrum bandwidth | 1.x nm | 1.x nm |
| Detector | ||
| Accessories | ||
| Parameter comparison | ||
| Light spectrum Bandwidth | 1.5nm | 1.8nm |
| Wavelength Range | 190nm~1100nm | 190m~1100nm |
| Wavelength Precision | ±0.3nm | ±0.3nm |
| Wavelength Repeatability | 0.1nm | ≤0.2nm |
| stray light | ≤0.03%T | ≤0.05%T@220nm,360nm |
| Noise level | 0.0005A | 100%≤0.15%T；0%≤0.1%T |
| Stability | ±0.0005A/h | |
| Baseline flatness | ±0.001A | ±0.002A |
| data output | USB RS-232 | USB interface and PC software |
| display system | Large-screen color Chinese/English touch display | |
| wavelength drive | automatic | |
| Transmittance Precision | ≤0.3%T | |
| Transmittance Repeatability | 0.1%T | |
| Transmittance Range | 0~200%T | |
| Absorption Range | －0.4~4A | |
| Display Range of concentration | 0~99999 | |
| scan function | High School Low | |
| dynamics | have | |
| multi-wavelength | have | |
| DNA/protein | have | |
