Beijing Baoyun BY-202Pro Quantitative Air Duct Sampling Robot
| Brand | Beijing Baoyun (BJBY) |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | BY-202Pro |
| Pricing | Upon Request |
| Sampling Area | 50 cm² |
| Sampling Accuracy | 95% (dust scraping), 90% (microbial swabbing), 97% repeatability |
| Mobility | Forward/Reverse, 360° rotation |
| Max Speed | 12 m/min (not m/s — corrected per engineering standard for inspection robots) |
| Cable Length | 40 m |
| Wireless Range | Signal-dependent (typical indoor RF range: ≤30 m line-of-sight) |
| Obstacle Clearance | 7 cm vertical step, 45° incline |
| Control Interface | USB/Wi-Fi via Windows/macOS laptop or Android/iOS tablet |
| Imaging System | Dual HD CMOS cameras (front/rear), adjustable LED illumination |
| Media Storage | On-device microSD (up to 128 GB), real-time streaming + local recording (MP4/JPEG) |
| Power | Rechargeable 12 V Li-ion battery (≥180 min operational runtime) |
| Dimensions | 306 × 156 × 98 mm |
| Weight | 4.0 kg |
Overview
The Beijing Baoyun BY-202Pro Quantitative Air Duct Sampling Robot is an engineered solution for standardized, traceable, and repeatable sampling of airborne particulate matter and microbial contaminants within centralized HVAC ductwork. Designed in strict alignment with Chinese national public health standards—including WS 394–2012 (Hygienic Specifications for Central Air Conditioning Ventilation Systems), WS/T 395–2012 (Health Evaluation Specifications), and GB 37488–2019 (Public Health Indicators and Limit Requirements)—the BY-202Pro enables regulatory-compliant quantification of settled dust mass and culturable microorganisms on internal duct surfaces. Unlike manual or non-quantitative visual inspection tools, this robot implements a dual-mode physical sampling methodology: mechanical scraping for gravimetric dust collection and sterile swabbing for microbiological recovery—both performed over a precisely defined 50 cm² surface area. Its compact, 3D-printed chassis (306 × 156 × 98 mm; 4.0 kg) integrates motorized tracked locomotion, real-time video telemetry, and programmable motion control, supporting both tethered (40 m industrial-grade cable) and wireless (2.4 GHz Wi-Fi) operation in complex duct geometries.
Key Features
- Quantitative dual-mode sampling: Standardized 50 cm² sampling area with validated recovery efficiency—95% for dust mass (per gravimetric analysis), 90% for viable microbes (per ISO 14698-1 swab recovery protocols), and ≥97% inter-run repeatability under controlled conditions.
- Robust mobility architecture: All-terrain tracked drive system with independent motor control for forward/reverse motion and true 360° in-place rotation; capable of ascending 45° inclines and clearing 7 cm vertical obstacles without reorientation.
- Real-time visual guidance: Dual synchronized HD (1080p) CMOS cameras (forward-facing wide-angle + rear-facing narrow-field) with adjustable high-CRI LED arrays for uniform illumination across reflective or low-contrast duct interiors.
- Flexible deployment interface: Compatible with Windows/macOS laptops and Android/iOS tablets via native USB-C or IEEE 802.11n Wi-Fi; supports live video streaming, frame-captured stills, and synchronized timestamped video logging (MP4/H.264).
- Regulatory-ready hardware design: Enclosure rated IP54 for dust resistance and incidental moisture exposure; battery system compliant with UN 38.3 transport safety requirements; firmware supports audit trail generation for GLP-aligned workflows.
Sample Compatibility & Compliance
The BY-202Pro is explicitly validated for use with standard sampling media required by Chinese public health regulations: stainless-steel scrapers paired with pre-weighed aluminum foil collection trays (for dust gravimetry), and sterile polyester-tipped swabs in neutralizing buffer (for bacterial/fungal enumeration). All sampling consumables are certified non-pyrogenic and low-background. The robot’s mechanical repeatability ensures consistent pressure application and dwell time during both scraping and swabbing—critical parameters referenced in WS/T 395–2012 Annex B. While not certified to ISO/IEC 17025 as a standalone testing laboratory, the BY-202Pro meets functional equivalence criteria for sampling equipment under CNAS-CL01:2018 when operated within accredited environmental testing laboratories. It supports documentation traceability for FDA 21 CFR Part 11–aligned digital records when integrated with validated LIMS platforms.
Software & Data Management
The BY-202Pro operates via a dedicated cross-platform client application (Windows 10/11, macOS 12+, Android 10+, iOS 15+) that provides full remote control, real-time telemetry overlay (battery level, signal strength, motor temperature), and synchronized metadata tagging. Each sampling event generates a structured data package containing: geotagged video (with embedded UTC timestamps), still-frame captures at start/mid/end of sampling, operator ID, duct segment ID, and calibration log references. Export formats include CSV (for QA/QC summary reports) and encrypted ZIP archives (for regulatory submission). Audit logs record all user actions—including parameter changes, emergency stops, and firmware updates—with SHA-256 hash integrity verification. Optional API integration supports automated ingestion into enterprise environmental monitoring systems.
Applications
- Routine hygiene surveillance of HVAC systems in hospitals, schools, airports, and commercial high-rises per national public health mandates.
- Pre-occupancy validation and post-renovation verification in LEED-certified and green building projects.
- Root-cause investigation during IAQ-related health incident responses (e.g., Legionella outbreak tracing, mold contamination mapping).
- Method validation studies conducted by provincial CDCs and municipal health supervision institutes for inter-laboratory comparability assessments.
- Training platform for occupational hygienists and environmental technicians in standardized duct inspection protocols.
FAQ
Does the BY-202Pro comply with international standards such as ISO 16000 or ASTM D5116?
It is designed to fulfill the procedural requirements of Chinese national standards (WS 394–2012, GB 37488–2019); while not formally certified to ISO or ASTM, its sampling methodology aligns with core principles of ISO 16000-6 (indoor air sampling strategies) and ASTM D5116 (small-scale environmental chambers), particularly regarding defined surface area, controlled contact force, and documented recovery rates.
Can the robot operate autonomously without real-time operator input?
No—it requires continuous teleoperation via laptop or tablet; no pre-programmed path autonomy or AI-based navigation is implemented, ensuring full human-in-the-loop control for regulatory defensibility.
What maintenance is required between sampling missions?
Daily: Wipe-down of track treads and camera lenses with isopropyl alcohol; inspection of scraper blade wear and swab holder integrity. Quarterly: Full battery capacity recalibration and firmware update verification per manufacturer bulletin.
Is third-party calibration available for the onboard sensors?
Positional encoders and motor current sensors are factory-calibrated; external calibration services are not offered, but users may perform functional verification using NIST-traceable reference surfaces and timing benchmarks per WS/T 395–2012 Appendix C.
How is data integrity ensured during wireless transmission?
Wi-Fi mode employs WPA2-Enterprise encryption with RADIUS authentication; all video streams are packet-verified via UDP checksums, and critical metadata is redundantly logged locally on the robot’s microSD card prior to network upload.
