Introduction: Handheld food safety analyzer, portable design, easy to carry, easy to operate, can be equipped with food safety test box to the scene, can also be used alone, and can be combined according to the needs of different test items. Suitable for the business sector, health and epidemic prevention departments and quality supervision departments in the mobile products testing vehicles, laboratories and on-site use. And network monitoring and food safety monitoring can be used to achieve data monitoring. Features: 1 compact and portable instruments, with a special aluminum box, can be brought to the scene. 2 liquid crystal display, the sample automatically shows the content of the seized items. 3 has automatically save the test results, and test data can be imported into the computer. 4 optional desktop micro-printer, enabling fast automatic print test results. 5 Equipped with sample preparation tools for on-site testing of different samples. 6 flexible working power mode: battery-powered, DC power supply, AC 220V power supply, suitable for different occasions. 7 heavyweight light, small size, especially suitable for industrial and commercial field testing, is the upgrading of the original food safety testing box products. Specifications: 1, detection limit: 0.02g / 100ml 2, measuring range: 0-0.2g / 100ml 3, absorbance: 0-2.500A 4, absorbance repeatability: ≤ 0.5% 5, absorbance photoelectric current drift: ≤ 0.002 (3min) 6, communication interface: RS232 7, working power: 9V battery DC 9V AC 220V 8, physical examination: 175 × 100 × 85 (mm)