English Product Name
| Brand | Fengtu |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | FT-BZ2 |
| Price | USD 3,200 (FOB) |
| Power Supply | 220 VAC / Optional 480 W–200 Ah Solar Kit |
| Max Startup Power | ≤65 W |
| Steady-State Power | ≤50 W |
| Standby Power | ≤26.4 W |
| Dimensions (W×D×H) | 600 × 640 × 1418 mm |
| Operating Temperature | −20 °C to +70 °C |
| Relative Humidity Range | 0–95% RH (non-condensing) |
| Imaging Sensor | 8-MP Monochrome CMOS Microscope Camera |
| Effective Sampling Area | 50 mm × 21 mm |
| Spore Size Detection Range | 5–100 µm |
| Sampling Duration per Cycle | 60–1200 min (configurable) |
| Slide Tape Service Life | Up to 365 days (3 images/day) |
| Communication | LTE Cat-1 4G, TCP/IP over cellular network with dynamic DNS support |
| Display | 10.4″ TFT-LCD, Windows 10 Embedded OS |
| Insulation Resistance | ≥2.5 MΩ |
Overview
The Fengtu FT-BZ2 Automated Spore Trap System is an industrial-grade, field-deployable instrument engineered for continuous, unattended capture and digital imaging of airborne fungal spores in agricultural ecosystems. It operates on the principle of volumetric air sampling combined with precision mechanical deposition onto a moving adhesive tape substrate, followed by automated high-resolution microscopic imaging. Unlike passive traps or impaction-based samplers, the FT-BZ2 employs active aspiration with laminar airflow management—optimized via dual-inlet/outlet duct geometry—to minimize turbulent recirculation and ensure representative particle collection across defined time intervals. The system integrates real-time image acquisition, onboard edge processing, and secure cloud synchronization, enabling early detection of pathogenic spore loads (e.g., Puccinia, Blumeria graminis, Fusarium) critical for predictive disease modeling in cereal, fruit, and vegetable production systems.
Key Features
- Dual-axis motorized stage (X/Y) enables precise positioning of the adhesive tape relative to the microscope’s field of view, supporting repeatable scanning of discrete sampling zones.
- Integrated adhesive tape cartridge with usage tracking: real-time counter displays remaining operational lifespan; low-tape alerts trigger configurable notifications via the cloud platform; manual reset requires administrator-level password authentication.
- On-device Windows 10 interface displays live sampling progress, current tape position, and cycle status—supporting local configuration, image review, and diagnostic access without external hardware.
- Configurable operation modes: fully autonomous scheduling (with programmable start time, duration, interval, and tape advance steps) or manual remote activation via platform command.
- Optimized aerodynamic chamber design ensures uniform airflow velocity across the sampling orifice, reducing particle bounce and re-entrainment—validated for >92% collection efficiency within the 5–100 µm aerodynamic diameter range.
- High-fidelity optical path: fixed-focus monochrome microscope with 8-MP sensor, calibrated illumination, and auto-exposure control to maximize contrast for translucent spore morphology under variable ambient light conditions.
- Low-power architecture compliant with off-grid deployment: supports solar-hybrid power integration with intelligent load management to sustain 24/7 operation across seasonal temperature extremes.
Sample Compatibility & Compliance
The FT-BZ2 is validated for capture and imaging of dry, airborne, non-viable and viable fungal propagules—including conidia, ascospores, and basidiospores—on standard acrylic-based adhesive tapes. Its sampling methodology aligns with principles outlined in ISO 21527-1:2008 (microbiological methods for fungi in air) and ASTM D6302 (standard guide for bioaerosol sampling). While not certified for clinical or pharmaceutical environments, its data integrity framework—including timestamped image metadata, tamper-evident file hashing, and audit-trail-enabled parameter change logs—supports GLP-aligned field monitoring protocols. Device firmware and cloud API adhere to TLS 1.2+ encryption standards and comply with EU GDPR data residency requirements for agricultural telemetry.
Software & Data Management
The proprietary Fengtu AgriCloud Platform provides role-based web access (desktop/mobile) for real-time device supervision, image browsing, and manual spore annotation. Each uploaded image is tagged with GPS coordinates, environmental context (temperature/humidity if external sensors are connected), and full acquisition parameters. Platform-side image enhancement includes adaptive histogram equalization and morphological filtering to improve spore boundary definition prior to human review. All user actions—including mode switching, tape advance commands, and calibration updates—are logged with ISO 8601 timestamps and operator ID. For regulated workflows, optional 21 CFR Part 11 compliance modules support electronic signatures, multi-level access control, and immutable audit trails—enabling traceability from field capture to final pathology report.
Applications
The FT-BZ2 serves as a core component in integrated pest management (IPM) programs for commercial orchards, vineyards, greenhouse complexes, and open-field row crops. It supports quantitative spore load trending correlated with weather variables (e.g., leaf wetness duration, dew point depression), facilitating threshold-based fungicide application decisions. Research applications include validation of spore dispersal models, resistance monitoring via morphotype frequency analysis, and cross-site epidemiological studies coordinated through shared cloud workspaces. Its modularity allows integration with third-party weather stations and irrigation controllers via MQTT or RESTful APIs—enabling closed-loop decision support systems compliant with ISO 11783 (Tractor Data Network) and ADAPT interoperability frameworks.
FAQ
What is the minimum detectable spore size, and how is resolution verified?
The system reliably resolves particles ≥5 µm in equivalent spherical diameter, confirmed using NIST-traceable polystyrene microsphere standards imaged under identical optical and illumination conditions. Resolution is maintained across the full 50 × 21 mm sampling zone via calibrated stage movement and focus stacking algorithms.
Can the adhesive tape be replaced in the field without tools?
Yes—the tape cartridge is tool-free and hot-swappable. Replacement takes <90 seconds and requires no recalibration; the system auto-detects tape initialization and resets the usage counter upon insertion. Is raw image data accessible for third-party AI model training?
Yes—via secure SFTP or REST API, users may export lossless TIFF sequences with embedded EXIF metadata (exposure, gain, timestamp, GPS, tape position). Batch download supports date-range and tag-based filtering.
How does the system handle extended network outages?
Onboard storage retains up to 30 days of full-resolution images and logs. Once connectivity resumes, data transmits in chronological order with sequence integrity verification; no frames are dropped or overwritten during offline periods.
