The tea polyphenol detector can quickly and quantitatively detect the content of tea polyphenols in various types of tea beverages, dairy drinks, fruits and vegetables, grain products, meat products, edible oils and fats. The tea polyphenol detector can be widely used in product quality supervision and inspection, business management, tea wholesale markets, tea processing bases, beverage enterprises, supermarkets, shopping malls, major food safety monitoring systems and other departments.

2、 Function Introduction:

1. The Android intelligent operating system adopts more efficient and user-friendly operation. The instrument has Ethernet connection, WiFi network upload, GPRS wireless remote transmission function, and can quickly upload data.

2. High degree of intelligence, the instrument has self checking function: it has power on self checking and zero adjustment functions, and automatic detection of repeatability function.

3. Detection channels: ≥ 12 detection channels, capable of testing multiple samples simultaneously. Each sample is controlled by a program to work independently without interfering with each other.

4. Display mode: ≥ 7-inch LCD touch screen display, user-friendly Chinese operation interface, intuitive and simple reading.

5. Equipped with a new generation embedded thermal printer, it can choose between manual printing or automatic printing. After the inspection is completed, the inspection report and QR code can be automatically printed.

6. The light source adopts imported ultra high brightness light-emitting diodes, which have high precision, strong stability, controllable light source, can turn off unused light sources, and lower power consumption.

7. Designed with USB 2.0 interface, it is convenient for data storage and movement, and can be directly connected to a computer at any time. The instrument can also be controlled by a computer. Implement data query, browsing, analysis, statistics, printing, etc.

8. The instrument has a multi category sample menu library, which allows for flexible selection of detection samples. Different detection channels can simultaneously detect different sample items.

9. Sample processing is simple and labor-saving, and the overall operation is fast, safe, and convenient.

10. High sensitivity, high detection accuracy, high repeatability accuracy, scanning high-precision optical sensor.

11. The instrument has the functions of recalibration, locking, and factory reset.

12. The result judgment line can be modified, the reference value calibration value can be saved, and data will not be lost when power is turned off.

3、 Main parameters:

1. The main control chip adopts ARM Cortex-A7, RK3288/4-core processor, with a main frequency of 1.88GHz, faster operation speed and stronger stability.

2. Display mode: 7-inch LCD touch screen display, user-friendly Chinese operation interface, intuitive and simple reading.

3. DC 12V power supply, can be equipped with a 6-hour high-capacity rechargeable lithium battery.

4. Automatic adjustment and calibration of light source brightness.

5. Intelligent constant current and voltage regulation, automatic calibration of light intensity, and long-term continuous operation of the light source without temperature drift phenomenon.

6. Sample numbers are automatically accumulated.

7. The testing items can be expanded.

8. The test results can be printed and uploaded in batches.

9. The test results are in an Excel spreadsheet, which can be copied by connecting to a computer.

10. Supports USB storage, standard USB interface, and driver free installation.

11. Configurable large capacity lithium battery, firmware upgradable

4、 Technical parameters of tea polyphenol detector:

1. Accuracy error: ± 3%

2. Linear error: ± 5 ‰

3. Stability: ± 0.001A/hr

4. Wavelength accuracy:<2.0nm

5. Wavelength range: 540nm

6. Transmission density repeatability: ± 1%

7. Data storage of 80000 records

8. Colorimetric dish: 10 × 10mm standard sample cell

9. Instrument size; 42×31×20cm

10. Net weight of the instrument: 3.6kg