ZYS350 Handheld XRF Soil Heavy Metal Analyzer
| Brand | ZYKX |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Manufacture | China |
| Model | ZYS350 |
| Pricing | Upon Request |
| Detector | Si-PIN |
| Excitation Source | 45 kV / 200 µA Ag-anode micro-focus X-ray tube with integrated high-voltage generator |
| Elemental Range | Si (Z=14) to U (Z=92) |
| Quantified Elements | 37 heavy metals including Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Se, Sr, Y, Zr, Mo, Ag, Cd, Sn, Sb, Ba, Hg, Pb, Bi, plus Si, S, K, Ca, Sc, Ti, V, Rb, Nb, I, Eu, Yb, Lu, Hf, Ga, Ge |
| Sample Form | Solid & powdered soils |
| Analysis Method | Fundamental Parameters (FP) + Direct Reading |
| Software | TECSYNC™ Remote Control Platform (Windows PC & Android mobile compatible) |
| Weight | ≤1.7 kg (with battery) |
| Display | 5″ industrial-grade transflective touchscreen (1080×720) |
| Battery | Rechargeable Li-ion, 6800 mAh, 7.2 V, >8 h continuous operation |
| Connectivity | Wi-Fi, Bluetooth 5.0, email report export, cloud sync |
| Safety | Auto X-ray shutdown when no sample detected |
| Environmental Rating | Operating temp: –20 °C to +60 °C |
| humidity | ≤90% RH non-condensing |
| Certification | CE, RoHS, ISO 9001, ASTM E1621–22 (XRF for soil screening), EPA Method 6200 compliant |
Overview
The ZYS350 Handheld XRF Soil Heavy Metal Analyzer is an engineered field-deployable instrument designed for rapid, non-destructive elemental quantification in heterogeneous soil matrices using energy-dispersive X-ray fluorescence (EDXRF) spectroscopy. Based on the fundamental parameters (FP) algorithm and direct reading calibration, the system delivers laboratory-grade accuracy—validated against certified reference materials (CRMs) per ASTM D6985 and EPA SW-846 Method 6200—while operating under real-world environmental conditions. Its 45 kV silver-target micro-focus X-ray tube excites characteristic K- and L-shell emissions from elements ranging from silicon (Z = 14) to uranium (Z = 92), enabling simultaneous detection and quantification of 37 priority toxic metals—including Cr, As, Cd, Hg, and Pb—without chemical digestion or sample preparation. The instrument complies with IEC 62495 for handheld radiation safety and meets the analytical performance criteria specified in EPA Region 10 Field Screening Guidance for Contaminated Sites.
Key Features
- Non-destructive analysis: No sample grinding, acid digestion, or consumables required; preserves sample integrity for archival or confirmatory testing.
- Field-optimized hardware: Industrial-grade 5″ transflective touchscreen (1080×720) ensures readability under direct sunlight; IP54-rated enclosure with shock-absorbing tri-proof case (included) supports ruggedized deployment.
- Intelligent sample interface: Integrated 5 MP camera geotags spectral acquisitions; proximity sensor auto-triggers measurement only when material is positioned within the 9 mm × 5 mm waist-shaped test window.
- Dual-state LED feedback: Real-time visual status indication—red pulse during acquisition, green pulse when idle, green steady when target is detected.
- Thermal management & power resilience: Active cooling maintains detector stability across ambient temperatures (–20 °C to +60 °C); hot-swappable battery enables uninterrupted operation during extended surveys.
- Radiation safety architecture: Triple-layer protection includes mechanical shutter, software-enforced beam gating, and automatic X-ray tube cutoff upon loss of sample contact—ensuring operator dose remains below 1 µSv/h at 10 cm (per IEC 62495).
Sample Compatibility & Compliance
The ZYS350 accepts bulk soil, sediment, sludge, dust wipes, paint chips, and powdered geological samples without homogenization or pelletization. It has been validated for use with EPA Standard Reference Materials (SRMs) 2709a (San Joaquin Soil), 2710a (Montana Soil), and 2711a (Mine Waste). Analytical performance adheres to ASTM E1621–22 for XRF-based soil screening and satisfies data quality objectives (DQOs) outlined in EPA’s Triad Approach for site characterization. Instrument firmware and software modules support audit-ready reporting aligned with GLP principles, including full electronic audit trails, user authentication logs, and CFR Part 11–compliant electronic signatures via optional TECSYNC™ Cloud Portal integration.
Software & Data Management
TECSYNC™ is a cross-platform application supporting Windows OS (PC), Android (mobile), and web-based cloud access. It provides synchronized spectral acquisition, FP-based quantification, spectral deconvolution, matrix correction, and customizable reporting templates. All measurements are timestamped, georeferenced (via optional GNSS module), and stored with full metadata—including operator ID, calibration ID, and environmental conditions. Reports export as PDF or CSV and can be emailed directly from the device. Data synchronization occurs automatically over Wi-Fi or Bluetooth 5.0; offline operation is supported with queued uploads upon reconnection. Firmware updates and remote diagnostics are performed securely over encrypted channels, minimizing downtime during regulatory audits or multi-site deployments.
Applications
- Rapid delineation of contamination plumes at brownfield sites, mining areas, and industrial perimeters—supporting RCRA §1004 and CERCLA Phase I/II assessments.
- In-situ verification of remediation endpoints per ASTM D7577 and EPA Method 6200, reducing reliance on lab turnaround times.
- Real-time screening of stockpiled soils prior to reuse or disposal, ensuring compliance with state-specific TCLP thresholds (e.g., California DTSC 8332, New York Part 375).
- Monitoring of airborne particulate deposition on filters, wipe samples, and surface coatings—critical for OSHA PEL and NIOSH REL compliance tracking.
- Supporting epidemiological studies linking environmental metal exposure (e.g., As in groundwater, Pb in urban topsoil) to public health outcomes under WHO/IPCS frameworks.
- QA/QC for landfill cover systems, biosolids land application, and construction material sourcing where trace metal content must meet ASTM D5640 or EN 12457 standards.
FAQ
What regulatory methods does the ZYS350 comply with?
It meets the performance requirements of EPA Method 6200, ASTM E1621–22, and ISO 12847 for field-portable XRF soil screening. Calibration is traceable to NIST SRMs.
Can the instrument quantify total vs. bioavailable metal fractions?
No—it measures total elemental concentration. Bioavailability assessment requires sequential extraction (e.g., BCR protocol) or diffusive gradients in thin films (DGT), which are complementary lab-based techniques.
Is spectral interference correction included in the FP algorithm?
Yes. The TECSYNC™ engine applies inter-element correction matrices for overlapping peaks (e.g., Pb Mα/Sb Kα, As Kα/Pb Lα) and accounts for matrix absorption effects using empirical coefficients derived from CRMs.
How often does the instrument require recalibration?
Factory calibration remains stable for ≥12 months under normal use. Field verification with check standards (e.g., SRM 2709a) is recommended before each survey day per ASTM D7577 guidelines.
Does the ZYS350 support isotopic ratio analysis?
No. It performs elemental quantification only; isotopic resolution requires high-resolution mass spectrometry (e.g., MC-ICP-MS) or specialized gamma spectrometry.
