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Characteristics:
7-inch color screen LCD display,cutting-edge user interface,powerful functions and easy operation.
The automated eight-position cell holder facilitates the operation under each measurement mode.
Powerful functions and great performance in qualitative and quantitative testing,such as full-spectrum scanning(only applies to 770S),detailed spectrum scanning(only applies to 770S),time-based kinetics determination，GOTOλ，linear regression，concentration direct reading，peak/valley detecting and multi-wavelength measurement.
Great performace in designed with sophisticated power protectin system.
With high capacity of internal memory，it can store testing results，scanned images，regression equations and correction data.
The instrument can be connected with dedicated printer,which can print testing results.
Specifications：
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| Optical System | Split Beam Optical System 1200 lines/mm holographic grating | ||
| Wavelength Range | 190nm~1100nm | ||
| Wavelength Accuracy | ±0.5nm | ||
| Wavelength Repeatability | ≤ 0.2nm | ||
| Spectral Bandwidth | 2nm | ||
| Transmittance Range | 0.0%(T)~200.0%(T) | ||
| Transmittance Accuracy | ±0.5%(T) | ||
| Transmittance Repeatability | ≤0.2%(T) | ||
| Absorbance Range | -0.301~4.000（A） | ||
| Baseline Flatness | ±0.002A（200nm~1090nm）only applies to 770S | ||
| Scan Speed | Fast,Medium and Slow only applies to 770S | ||
| Stray Light | ≤0.15%（T）(at 220nm in determination NaI；at 360nm，in NaNO2) | ||
| Signal Noise | 100%T Noise≤0.15%(T);0%T Noise≤0.10%(T) | ||
| Drift | ≤0.0009A/0.5h (2h,250nm and 500nm) only applies to 770S | ||
| Light Source | Halogen Tungsten Lamp&Deuterium Lamp | ||
| Ambient Temperature | 5℃~35℃ | ||
| Humidity | ≤85% | ||
