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Product Details
Product Introduction
The HM-FZ2-LS Dual-Channel Grain Heavy Metal Rapid Analyzer represents a breakthrough in high-efficiency food contamination screening, delivering two completely independent electrochemical testing channels within a single integrated platform. Powered by anodic stripping voltammetry (ASV) in strict compliance with national grain quality directives and calibration specifications, each channel can operate asynchronously with customized testing protocols for cadmium (Cd), lead (Pb), and other heavy metals. Featuring a vibrant 10-inch Android touchscreen, robust 20,000 mAh lithium battery, and patented magnetic elastic electrode holders, the HM-FZ2-LS doubles analytical throughput without requiring hazardous acid digestion, making it the benchmark solution for regional grain collection centers, flour factories, and commercial processing facilities.
For maximum analytical capacity in central inspection institutes, see our flagship four-channel grain heavy metal analyzer.
Applications
- Rice and Brown Rice: Determination of cadmium and lead in milled polished rice, raw brown rice, and paddy crops before and after milling.
- Wheat and Corn: Rapid contaminant screening for commercial cereal grains and raw ingredients at processing mills.
- Grain Silos and Depots: Inbound grain testing at reception gates to prevent off-spec grain consignments from entering storage.
- Food Manufacturing: Quality control verification for flour mills, noodle factories, breakfast cereal lines, and baby food processors.
- Agricultural Inspection: On-site food security screening for harvest grading and grain market surveillance.
Functional Performance & Features
- Dual Independent Channels: Two completely isolated electrochemical detection cells run simultaneous or asynchronous analyses without mutual interference.
- Doubled Operational Throughput: Parallel testing reduces operator wait times by 50%, enabling high-volume sample throughput during peak harvest acquisition seasons.
- 10-Inch High-Definition Display: Expansive color touchscreen provides clear visualization of real-time voltammetric stripping curves and quantitative readouts.
- Digestion-Free Rapid Extraction: Proprietary dilute acid extraction protocol dissolves target metal ions in minutes without boiling acid digestion equipment.
- Patented Magnetic Contact Holders: High-durability elastic magnetic connectors eliminate mechanical wear, ensuring repeatable and corrosion-free electrode connections.
- Disposable Screen-Printed Electrodes: Zero-maintenance three-electrode strips avoid cross-contamination and eliminate labor-intensive electrode polishing.
- Comprehensive Standard Compliance: Fully aligns with JJF 2037-2023 portable stripping voltammetry standards and GB 2762-2022 food contaminant limits.
- 20,000 mAh Extended Battery: Ultra-high capacity lithium battery pack powers intensive full-day mobile screening at grain silos and field collection points.
- Thermal Printing with Traceability: Built-in high-speed printer generates instant analytical vouchers complete with timestamps, batch IDs, and QR codes.
- Extensive Connectivity & Cloud Sync: Integrated Wi-Fi and USB interfaces enable instant data upload to grain quality supervision platforms.
Main Parameters
- Detection Channels: Dual Channels (independent simultaneous operation)
- Target Elements: Cadmium (Cd), Lead (Pb); expandable to As, Hg, Cu, Zn
- Measurement Range: 0.03 ~ 1.0 mg/kg (Cd, Pb in grain)
- Limit of Detection (LOD): 0.01 mg/kg (Cd, Pb)
- Indication Error: <= +/-10%
- Resolution: 0.5 ppb
- Repeatability: RSD <= 5%
- Analysis Duration: 280 seconds/sample instrument testing
- Electrode System: Disposable screen-printed electrode, ready to use
- Display: 10-inch HD color touchscreen, Android OS
- Battery & Power: 20,000 mAh rechargeable battery, DC 12.6V 2A
- Dimensions & Weight: 390 mm x 296 mm x 156 mm, 5.7 kg
Technical Parameters
| Parameter | Specification Value |
|---|---|
| Detection Method | Anodic Stripping Voltammetry (ASV) |
| Target Elements | Standard: Cadmium (Cd), Lead (Pb); Expandable: As, Hg, Cu, Cr, Zn |
| Linear Range (Grain) | 0.03 ~ 1.0 mg/kg (Cd, Pb) |
| Limit of Detection (LOD) | 0.01 mg/kg (Cd, Pb) |
| Indication Error | Within +/-10% |
| Resolution | 0.5 ppb |
| Repeatability | RSD <= 5% |
| Instrument Testing Time | 280 seconds/sample |
| Pretreatment Time | <= 15 minutes (room-temperature dilute acid extraction, no digestion) |
| Electrode System | Disposable screen-printed three-electrode strip (ready to use, no polishing) |
| Electrode Holder | Patented magnetic elastic contact holder (low wear, stable connection) |
| Display & OS | 10-inch HD color touchscreen, Android OS |
| Communication | Wi-Fi, USB interface, supports OTA wireless system upgrades |
| Data Storage | Internal memory >= 50,000 test records with historical search |
| Printing Function | Integrated high-speed thermal printer (supports real-time results and QR code) |
| Power & Battery | 20,000 mAh rechargeable battery, DC 12.6V 2A |
| Operating Environment | Temperature: 5 ~ 40 deg C, Relative Humidity: <= 80% RH |
| Dimensions & Weight | 390 mm x 296 mm x 156 mm, 5.7 kg |
| Standards Compliance | JJF 2037-2023, GB 2762-2022, T/GXAGS 010-2025 |
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