Zhiyunda ZYD-ZH/02 Integrated Food Safety Rapid Detection System
| Brand | Zhiyunda |
|---|---|
| Origin | Beijing, China |
| Model | ZYD-ZH/02 |
| Function Type | Multi-analyte (pesticide residues, veterinary drug residues, food additives, heavy metals, mycotoxins, pathogenic microorganisms) |
| Sample Compatibility | Liquid, solid, and semi-solid food matrices (e.g., vegetables, fruits, meat, dairy, aquatic products, grains) |
| Detection Methods | Spectrophotometry (visible/NIR), immunochromatographic assay (colloidal gold lateral flow), ATP bioluminescence |
| Detection Time | 3–15 min per assay (pesticide screening) |
| Detection Channels | ≥8 independent optical channels with simultaneous dual-wavelength measurement capability |
| Repeatability | ≤±3% CV |
| Display | 15-inch capacitive touchscreen LCD (1920×1080) |
| Operating System | Android 9.0 (customized industrial firmware) |
| Data Storage | Internal 32 GB eMMC + microSD/TF slot (up to 256 GB) |
| Connectivity | Gigabit Ethernet, Wi-Fi 5 (802.11ac), Bluetooth 5.0, 4G LTE (optional module) |
| Power Supply | AC 220 V ±10%, 50 Hz / DC 12.6 V (rechargeable Li-ion battery, ≥4 h continuous operation) |
| Dimensions (L×W×H) | 380 × 320 × 180 mm |
| Net Weight | 7.2 kg |
| Light Source | Stable cold LED array with wavelength-specific emission profiles (450–650 nm, configurable per assay) |
| Processor | Quad-core ARM Cortex-A72 @ 1.8 GHz + dedicated DSP co-processor for real-time spectral deconvolution and signal normalization |
| Regulatory Alignment | Designed to support compliance with GB/T 5009.x, GB 2763, GB 31650, NY/T 761, SN/T 1944, and ISO/IEC 17025 documentation requirements |
Overview
The Zhiyunda ZYD-ZH/02 Integrated Food Safety Rapid Detection System is an industrial-grade, field-deployable analytical platform engineered for high-throughput, multi-parameter screening of chemical and biological hazards in food supply chains. It implements a hybrid detection architecture combining spectrophotometric quantification (based on Beer–Lambert law principles in the visible spectrum), qualitative/semi-quantitative immunochromatographic analysis (colloidal gold-labeled antibody–antigen binding), and ATP-driven bioluminescence for microbial load estimation. Unlike single-technology benchtop analyzers, the ZYD-ZH/02 integrates these modalities into a unified hardware-software ecosystem—enabling concurrent or sequential execution of up to eight independent assays without manual reconfiguration. Its design targets frontline use cases: regulatory inspection teams conducting unannounced site audits, food processing QA/QC personnel performing incoming raw material verification, and third-party certification laboratories requiring GLP-aligned traceability under time-constrained workflows.
Key Features
- 15-inch full-HD capacitive touchscreen with glove-compatible operation and context-aware UI—dynamically rendering step-by-step video guidance synchronized to the selected assay protocol.
- Dual-mode optical engine: spectrophotometric module with programmable LED excitation (450–650 nm) and photodiode-based detection; colloidal gold reader with auto-calibrated reflectance imaging for lateral flow strip interpretation.
- On-device data governance: embedded thermal printer (2-inch width), encrypted local storage (32 GB eMMC), and export-ready CSV/PDF report generation compliant with audit trail requirements.
- Multi-network redundancy: simultaneous Ethernet, Wi-Fi 5, and optional 4G LTE connectivity ensures uninterrupted synchronization with national food safety information platforms (e.g., China’s NMPA Food Supervision Cloud).
- Modular power architecture: dual-input capability (AC mains + internal 12.6 V Li-ion battery) supports >4 hours of continuous operation during mobile inspections—including vehicle-mounted deployment and warehouse floor assessments.
- ARM-based heterogeneous computing core: quad-core Cortex-A72 CPU paired with a dedicated digital signal processor enables real-time background correction, baseline drift compensation, and kinetic curve fitting for time-resolved assays.
Sample Compatibility & Compliance
The ZYD-ZH/02 accommodates homogenized extracts from diverse food matrices—including leafy vegetables, fruit pulps, animal tissues, dairy products, cereals, and seafood—without requiring solvent exchange or derivatization. Sample preparation follows standardized extraction protocols aligned with GB/T 5009.199 (organophosphorus pesticides), GB/T 22338 (chloramphenicol), GB 5009.33 (nitrite), and GB 5009.12 (lead). While not a certified reference method instrument, its performance characteristics meet the sensitivity and reproducibility thresholds defined in GB 2763–2021 for rapid screening applications. The system supports electronic record retention per ISO/IEC 17025:2017 Clause 7.5.2 and facilitates 21 CFR Part 11–compatible user authentication when deployed with enterprise identity management integration.
Software & Data Management
The Android-based firmware includes a validated application suite with role-based access control (administrator, operator, auditor), configurable pass/fail thresholds per analyte, and automated calibration log maintenance. All measurements are timestamped, geotagged (via integrated GPS module), and assigned unique batch IDs linked to sample metadata (supplier, lot number, test date, operator ID). Data exports include raw absorbance values, reaction kinetics plots, and interpreted results—formatted for direct ingestion into LIMS environments via HL7 or RESTful API endpoints. Audit trails capture every user action—including parameter modification, result override, and report deletion—with immutable SHA-256 hashing applied to critical event logs.
Applications
- Routine surveillance of pesticide residues (e.g., omethoate, carbaryl) in fresh produce at wholesale markets and border inspection posts.
- Verification of veterinary drug compliance (e.g., tetracyclines, sulfonamides) in aquaculture and livestock-derived products prior to distribution.
- Quantitative assessment of preservative misuse (e.g., SO₂ in dried fruits, nitrite in cured meats) against GB 2760 limits.
- Screening for heavy metal contamination (Pb, As, Cd) in rice, tea, and edible fungi using colorimetric chelation chemistry.
- Point-of-care detection of aflatoxin B₁ and staphylococcal enterotoxin B via rapid immunochromatographic strips with digital readout.
- Microbial hygiene monitoring via ATP bioluminescence in food contact surfaces and processing equipment.
FAQ
Does the ZYD-ZH/02 comply with Chinese national food safety standards for rapid testing?
Yes—it is designed to fulfill the technical validation criteria outlined in GB/T 27404–2008 for rapid detection methods, including linearity, limit of detection (LOD), repeatability, and interference resistance.
Can assay kits from other manufacturers be used with this instrument?
Only CE-marked or NMPA-registered lateral flow strips and spectrophotometric reagent kits validated by Zhiyunda are supported; cross-platform compatibility is not guaranteed due to optical calibration dependencies.
Is remote software update capability available?
Yes—firmware updates and assay library expansions can be delivered over-the-air (OTA) via secure HTTPS channels with digital signature verification.
What is the recommended calibration frequency?
Optical calibration is performed automatically at startup; full system verification using certified reference materials is advised every 30 days or after 200 assay cycles.
How is data integrity ensured during offline operation?
All measurements are stored locally with cryptographic checksums; synchronization resumes automatically upon network restoration, with conflict resolution based on timestamp precedence and operator confirmation.
