I. Introduction / Product Overview Brand and Model: Yuntang YT‑G1200 Executive Testing Standard: Corresponding national food safety GB series standards Testing Principle: Spectrophotometry, colloidal gold immunochromatography Testing Object: Over 200 indicators including food additives, toxic and harmful substances, pesticide residues in fruits and vegetables, diseased meat, heavy metals, veterinary drug residues, fungal toxins, food dyes, grain and oil, condiments, animal diseases, etc. Core Purpose: On-site qualitative and quantitative testing of multiple categories of food safety indicators Applicable Scenario Overview: Market supervision bureaus, testing centers, canteens, colleges and universities, food deep processing enterprises, supermarkets, farms, slaughterhouses, judicial departments, inspection and quarantine departments for on-site rapid testing The Yuntang YT‑G1200 is a portable, integrated food safety rapid detection and analysis device, featuring a dual detection module of spectrophotometry and colloidal gold, with 12 detection channels. It can simultaneously conduct multiple sets of tests on different samples and different items, covering over 200 tests including food additives, illegal additives, agricultural and veterinary drug residues, heavy metals, fungal toxins, animal diseases, etc. It is suitable for enterprise self-inspection, third-party screening, and on-site law enforcement sampling by regulatory authorities.

II. Core Product Advantages: Detection Capability: 12 independent detection channels; four-wavelength cold light source at 410, 520, 590, and 630nm, with the ability to expand up to 64 wavelengths for light path switching; simultaneous detection of different sample items in different channels; colloidal gold module with automatic track-based transmission and scanning, and automatic CT line recognition; built-in multi-category sample menu library, supporting custom entry of sample names and testing units; built-in national limit standards for automatic comparison and determination of results; automatic accumulation of sample numbers; continuous uninterrupted sample feeding and detection.

The hardware and operating system are primarily controlled by an ARMCortex‑A7, RK3288 quad-core processor with a clock speed of 1.88Ghz; equipped with a 7-inch LCD touch screen and an Android smart operating system; featuring a scanning high-precision optical sensor; intelligent constant current voltage regulation, automatic light intensity adjustment and calibration, ensuring long-term operation without temperature drift; and includes built-in operation demonstration videos.

Data output and transmission: The new generation of high-speed thermal printer automatically/batch-prints test reports and QR codes; it supports multiple networking modes, including WIFI, 4G, GPRS, and Ethernet cable, allowing data upload to the food safety supervision platform; it features a USB driver-free interface, allowing for U-disk copying and result export to Excel; it can store up to 200,000 test records locally.

Intelligent protection and management with power-on self-test and zero adjustment, automatic verification through repeated detection; user name and password access control to prevent misoperation; customizable modification of determination threshold and calibration value, with data retention during power failure; support for calibration, parameter locking, and factory reset; expandable detection items and upgradable firmware; DC12V power supply, support for on-board power supply, optional 6Ah high-capacity lithium battery for outdoor mobile detection.

III. Optional Extended Features: Optional 6Ah high-capacity lithium battery; firmware upgrade to expand more testing items; full set of pre-treatment consumables; full set of supporting testing reagents (100 tests/set).

IV. Detailed Technical Parameters Main Controller: RK3288 quad-core, clocked at 1.88Ghz Screen: 7-inch LCD touch screen Light Source: 410, 520, 590, 630nm, expandable to 64 wavelengths Channel: 12 Storage Capacity: 200,000 typical items Indicators: Pesticide Residue Inhibition Rate: 0-100% Formaldehyde Detection Limit: 0.5mg/kg, Detection Range: 2-26mg/kg Nitrite Detection Limit: 0.5mg/kg, Detection Range: 0.5-20mg/kg Sulfur Dioxide Detection Limit: 0.018g/kg, Detection Range: 0.03-1g/kg Formaldehyde Detection Limit: 0.2mg/kg, Detection Range: 0.05-10mg/kg Overall Dimensions: 430x343x188mm, Net Weight of Main Unit: 5.1kg Packaging Dimensions: 510x390x375mm, Packaging Weight: 8.5kg V. Detailed Application Scenarios Production Side: Quality self-inspection of raw materials, semi-finished products, and finished goods for food deep processing enterprises; Circulation Side: Rapid screening of incoming food at supermarkets and farmer's markets; Catering and Campus: Inspection and acceptance of food materials for schools, enterprises, and institutions; Regulatory Agencies: On-site sampling and law enforcement testing for market supervision, testing centers, and judicial departments; Livestock and Poultry Farming and Slaughtering: Safety screening of livestock and poultry, as well as aquatic products at farms and slaughterhouses; Scientific Research and Teaching: Experimental teaching in colleges, universities, and research institutes.

VI. Overall Appearance and Hardware Description: The integrated portable protective case integrates a sample detection chamber, a 7-inch touch screen display, and a built-in thermal printing module. The body is equipped with USB, network, and power supply interfaces. The case is shockproof and has a moderate weight, making it convenient for outdoor sampling and inspection. It can be placed on laboratory benches or outdoor sites.

VII. Brief testing process: Sample sampling → sample pretreatment, reagent color development → instrument testing → automatic calculation by the instrument, comparison with national standards for determination → print report / export to U-disk / upload to supervision platform. VIII. List of accessories: Carrying case, main unit, power adapter; basic laboratory consumables such as cuvettes, centrifuge tubes, scissors, etc.; various testing reagents (optional, 100 tests/kit).

IX. Brand and After-sales Instructions: Yuntang, a professional manufacturer specializing in the research, development, and production of food safety rapid testing instruments; daily maintenance points: regularly clean the detection chamber and light path window, perform regular instrument calibration, and store reagents in a dark and low-temperature environment; quality assurance and technical support: full-machine quality assurance, remote technical guidance, operation training, firmware upgrades, and troubleshooting.

X. Conclusion YT-G1200 food safety detector features 12-channel high-throughput detection, utilizing both spectroscopic and colloidal gold modules, covering over 200 food safety indicators, with expandable detection items. The data is complete and traceable, accommodating both indoor fixed-point detection and outdoor mobile sampling inspection, and widely applicable to comprehensive screening in multiple scenarios such as food production, distribution, catering, and regulation.