The sulfur dioxide detector uses a colorimetric method in accordance with GB/T5009.34—2003 “Determination of Sulfites in Food” and is used to measure sulfur dioxide content in dried fruits, sugars, alcoholic beverages, various dried fruits, herbs, aquatic products, fresh and dried meat products, and meat products. It is widely used in food processing enterprises, food and drug administration bureaus, supermarkets, quality supervision and inspection agencies, industrial and commercial administration agencies, food safety monitoring systems, and other organizations.
Android smart operating system, with a more efficient UI interface, the instrument has WiFi upload, 4G network transmission, GPRS wireless remote transmission, and network cable connection functions, enabling fast batch data upload.
The main control chip uses the ARM Cortex-A7 architecture with an RK3288/4-core processor, operating at a clock speed of 1.88 GHz, ensuring faster processing speeds and enhanced stability.
Highly intelligent with self-diagnostic functions: includes power-on self-test and zero calibration features, as well as automatic repeatability detection functionality.
It offers a multi-category sample menu function, allowing flexible selection of test samples. Different test channels can simultaneously analyze different sample parameters.
It is equipped with a food safety data platform, enabling wireless upload of test results to the platform for long-term data analysis and management.
Sample names, test parameters, and submitting units can be directly edited and entered on the instrument and saved into the sample database.
The instrument includes built-in operation demonstration videos, serving as your on-hand testing guidance expert.
Sample processing is simple and efficient, with overall operations being fast, safe, and convenient.
Features a new-generation high-speed thermal printer, enabling automatic or batch printing of testing reports and QR codes upon completion of testing.
The instrument has self-protection functions, allowing users to set usernames and passwords to prevent unauthorized personnel from operating it.
Display method: 7-inch LCD touchscreen display with a user-friendly Chinese interface, providing intuitive and simple readings.
High sensitivity, high detection accuracy, and high repeatability accuracy, featuring a scanning-type high-precision optical sensor.
The instrument features recalibration, lock, and factory reset functions.
DC 12V power supply, compatible with a 6Ah high-capacity rechargeable lithium battery.
Automatic adjustment and calibration of light source brightness.
Automatic increment of sample numbers.
Intelligent constant current voltage regulation, automatic light intensity calibration, no temperature drift in the light source during prolonged continuous operation.
Built-in new national limit standards, enabling on-site comparison with measured results, with standards continuously updated.
The result judgment line can be modified, and reference values and calibration values can be saved, with no data loss upon power failure.
Test items can be expanded, and the device can be configured with a high-capacity lithium battery. The firmware is upgradeable.
Test results are exported as Excel spreadsheets and can be copied to a computer via connection.
Supports USB flash drive copying via a standard USB interface, with plug-and-play functionality without requiring drivers.
Accuracy error | ±3% |
Linear error | ±5‰ |
Stability | ±0.001A/hr |
Wavelength accuracy | < 2.0 nm |
Wavelength Range | 550 nm |
Transmittance Repeatability | ±1% |
Data Storage | 8,000 entries |
Cuvette | 10×10mm standard sample cell |