This instrument can quickly and quantitatively detect the content of sulfite in various foods and vegetables. It can be widely used in product quality supervision and inspection, health and epidemic prevention, environmental protection, business management, seafood wholesale markets, noodle production bases, grain depots, supermarkets, shopping malls, major food safety monitoring systems and other departments.

Instrument features:
1. This instrument adopts a new structural design, which is anti-interference, has high detection accuracy, and has a long lifespan.
2. The domestically leading 8-channel fully automatic rotating colorimetric cell design can measure 8 samples simultaneously.
3. The original imported long-life non thermal solid-state light source has high precision, stable performance, and controllable light source.
4. The color LCD large screen display can display various data, measurement results, and other operation prompts in real-time during the measurement process, achieving good human-machine dialogue function.
5. The data transmission adopts a USB interface design, which can be directly connected to the computer at any time to achieve data storage, data query, data processing, data uploading, and statistical analysis.
6. Built in micro thermal printer, capable of real-time printing of detection results.

Technical Specifications:
1. Transmittance accuracy: ± 0.3% T
2. Transmission density repeatability: ± 0.5% T
3. Detection time setting: 0-9 minutes can be set arbitrarily
4. Luminous range: 0.000-3.000 Abs