Hengaode HAD-ZD26W Wireless Multi-Parameter Safety Tester for Mine Rubber-Tyred Dump Trucks
| Brand | Hengaode |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | HAD-ZD26W |
| Price | USD 135 (converted from ¥980 at 7.26 CNY/USD) |
Overview
The Hengaode HAD-ZD26W Wireless Multi-Parameter Safety Tester is an industrial-grade field diagnostic system engineered for regulatory-compliant safety performance evaluation of rubber-tyred underground haulage vehicles—including mine dump trucks, articulated carriers, and non-rail self-unloading equipment—operating in coal mines, metal/non-metal mines, and tunneling environments. It implements standardized physical measurement principles across 26 critical safety parameters, including dynamic braking performance (stopping distance, deceleration rate, maximum braking force), traction capability, exhaust opacity (via free-acceleration smoke absorption coefficient per ISO 8528-4 and GB/T 3846), acoustic emission (sound pressure level per ISO 362-1), steering geometry (free play angle and tangential steering effort), pedal actuation force, operational temperature, and exhaust gas constituent concentration (CO, NOx, HC). All measurements adhere to the metrological traceability framework defined in GB/T 25217.1–2010 and AQ 1043–2007 for mine vehicle safety inspection. The system employs calibrated MEMS accelerometers, Class I sound level sensors, optical opacity transducers, load cells with ±0.5% FS linearity, and NDIR gas modules—all synchronized via IEEE 802.15.4-based wireless telemetry to a ruggedized Android tablet interface.
Key Features
- Wireless real-time acquisition of 26 safety-critical parameters without physical cabling or vehicle modification
- Embedded animated procedural guidance compliant with AQ 1043–2007 test sequence protocols
- Over-the-air (OTA) firmware and calibration certificate updates via secure HTTPS endpoint
- Bluetooth 5.0 + Wi-Fi 5 (802.11ac) dual-mode connectivity for local data offload and cloud sync
- IP65-rated sensor nodes with intrinsically safe design (certified per GB 3836.4–2010 for Zone 1 mining use)
- On-device data validation: automatic outlier rejection using IQR-based statistical filtering per ISO/IEC 17025:2017 Annex A.3
- Integrated GPS timestamping and geotagging for audit-trail compliance in GLP/GMP-regulated inspections
Sample Compatibility & Compliance
The HAD-ZD26W supports testing on all rubber-tyred vehicles with nominal axle loads ≤50 t and wheelbase ≤6.5 m. Sensor mounting kits accommodate standard brake drum geometries (Ø300–Ø600 mm), steering column diameters (Ø35–Ø80 mm), and exhaust pipe configurations (Ø80–Ø200 mm). Regulatory alignment includes: GB/T 25217.1–2010 (Mine Vehicle Braking Performance Test Method), AQ 1043–2007 (Safety Technical Specifications for Rubber-Tyred Vehicles in Coal Mines), ISO 8528-4 (Engine Exhaust Smoke Measurement), ISO 362-1 (Vehicle Noise Testing), and EN 15194:2017 (Electrically Power-Assisted Cycles – adapted for low-speed haulage systems). All sensor calibrations are traceable to CNAS-accredited reference standards (Certificate No. CNAS L5892).
Software & Data Management
The proprietary HAD-Inspection Suite v3.2 runs on Android 11 (ARM64) tablets with 10.1″ IPS display and capacitive glove-compatible touchscreen. Software features include: configurable test templates per vehicle OEM specification; automated report generation in PDF/A-1b format compliant with ISO 19005-1; encrypted SQLite database with AES-256 encryption; role-based access control (Inspector, Supervisor, QA Auditor); electronic signature capture with PKI certificate binding; and audit trail logging meeting FDA 21 CFR Part 11 requirements (electronic records, electronic signatures, operation checks). Data export supports CSV, XML (ASTM E1384), and HL7 v2.5.1 for integration into mine ERP systems (e.g., SAP S/4HANA Mining Edition).
Applications
Primary deployment contexts include: pre-shift safety verification in Category I & II coal mines; post-maintenance validation per GB 50215–2015; third-party certification audits under China’s Mine Safety Production License regime; R&D validation of new energy haulage platforms (battery-electric, hydrogen fuel cell); and comparative fleet performance benchmarking across multi-mine operations. Secondary applications extend to quarry transport logistics, underground civil engineering projects (e.g., hydropower tunnels), and heavy-duty off-road vehicle certification labs requiring ISO/IEC 17025 accreditation.
FAQ
Is the HAD-ZD26W certified for use in explosive atmospheres?
Yes — all sensor nodes carry Ex ib IIB T4 Gb marking per GB 3836.4–2010 and are approved for Zone 1 methane-rich environments.
Can test data be integrated with existing mine monitoring SCADA systems?
Yes — via Modbus TCP gateway module (optional add-on) supporting OPC UA PubSub over MQTT for seamless ingestion into Siemens Desigo CC or Schneider EcoStruxure.
What is the calibration interval recommendation?
Annual recalibration is required per GB/T 27025–2019; field zero-checks before each shift using NIST-traceable reference weights and optical shims are mandatory.
Does the system support remote diagnostics and firmware updates?
Yes — OTA updates are delivered through a TLS 1.3-secured channel with SHA-256 signature verification; remote session initiation requires two-factor authentication (TOTP + hardware token).
How is measurement uncertainty quantified and reported?
Per ISO/IEC 17025:2017 Clause 7.6.3, combined standard uncertainty (k=2) is calculated for each parameter and embedded in every exported report, referencing component-level uncertainties from calibration certificates and environmental correction factors.
