Features：

1. Automatic switching of light source and   detector

2. A wider spectral range from vacuum ultraviolet   to near infrared

3. System verification adopts standard built-in   mercury lamp and optional traceable standard samples

4. Purge capability can provide more accurate   vacuum ultraviolet measurement

5. Very low stray light and high signal-to-noise ratio   can provide a wider dynamic range

6. Faster high-speed scanning mode