Jianhu JH-SDT Series IP5X/IP6X Sand and Dust Test Chamber
| Brand | Jianhu |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor & System Integrator |
| Product Category | Domestic |
| Model | JH-SDT Series (Customizable Chamber Sizes) |
| Price Range | USD 850 – 11,500 |
| Sand Composition | 97–99% SiO₂ (quartz sand, ISO 12103-1 A4 fine test dust equivalent) |
| Sand Blasting Concentration | 1.1 g/m³ ±0.25 g/m³ to 2.2 g/m³ ±0.5 g/m³ |
| Sand Blasting Velocity | 0–29 m/s (adjustable, calibrated per ISO 20623 Annex B) |
| Dust Concentration (IP5X/IP6X) | 0.1–10.6 g/m³ ±7% (traceable to NIST-traceable gravimetric calibration) |
| Dust Velocity (IP5X/IP6X) | 8.9 m/s ±1.2 m/s (turbulence-controlled vertical airflow) |
Overview
The Jianhu JH-SDT Series IP5X/IP6X Sand and Dust Test Chamber is an engineered environmental simulation system designed specifically for compliance validation of ingress protection (IP) ratings per IEC 60529, GB/T 4208–2017, and ISO 20623. It implements controlled airborne particulate exposure using standardized test dusts—primarily ISO 12103-1 A4 (fine silica-based dust) and quartz sand—to replicate real-world dust deposition, penetration, and abrasion mechanisms affecting electronic components. Unlike generic environmental chambers, the JH-SDT integrates closed-loop vertical airflow architecture with programmable vibratory dispersion and electrostatic suppression, enabling precise reproduction of both IP5X (limited ingress of dust ≥75 µm at 2 kg/m³) and IP6X (complete dust-tightness at 8 kg/m³) test conditions. Its core function is not merely dust generation, but metrologically traceable, repeatable, and auditable particulate exposure—critical for automotive ECUs, outdoor IoT sensors, 5G base station modules, and aerospace-grade connectors where failure modes include contact corrosion, optical obscuration, thermal impedance shift, and MEMS stiction.
Key Features
- Traceable particulate delivery: Dual-mode dust/sand injection with gravimetric concentration control (±0.1 kg/m³ accuracy), validated via in-situ laser particle counter and filter mass differential measurement.
- Vertical laminar airflow path: Engineered to minimize eddy formation and ensure uniform particle distribution across test volume—critical for small-footprint electronics (e.g., SMD packages, chip-scale sensors).
- IP5X/IP6X dual-standard programmability: One-touch mode switching with preloaded test profiles compliant with IEC 60529 Clause 14.2.5 (dust) and Clause 14.2.6 (sand), including dwell time, velocity ramping, and vibration synchronization.
- Electrostatic mitigation system: Integrated ionizing bars and grounded stainless-steel chamber walls suppress static charge accumulation—preventing particle agglomeration and unintended adhesion on ESD-sensitive devices.
- High-reliability control architecture: Siemens LOGO! or Moeller (Eaton) PLC-based controller with Schneider TeSys contactors; all electrical components rated for continuous duty under abrasive ambient conditions.
- Modular chamber scalability: Standard internal dimensions from 800 × 800 × 800 mm to 1500 × 1500 × 2000 mm; optional vacuum-assisted dust recovery and HEPA-filtered exhaust recirculation available.
Sample Compatibility & Compliance
The JH-SDT accommodates samples ranging from bare die and QFN packages to full PCBAs, automotive radar housings, and industrial enclosures. All chamber variants are configured with non-reflective, corrosion-resistant 304 stainless-steel interiors and removable sample racks compatible with standard DIN 40050-9 mounting fixtures. The system supports full audit readiness for GLP/GMP environments: test logs include timestamped concentration readings, airflow velocity traces, temperature/humidity metadata (optional integrated sensor suite), and operator ID—structured to meet FDA 21 CFR Part 11 requirements when paired with Jianhu’s optional secure software package. Certification documentation includes factory calibration certificates (traceable to CNAS-accredited labs), ISO/IEC 17025-compliant uncertainty budgets for dust concentration, and conformity statements against IEC 60529, MIL-STD-810H Method 510.6, and GB/T 2423.37–2006.
Software & Data Management
Jianhu’s proprietary SDT-Control v3.2 software provides real-time monitoring of all critical parameters—including mass flow rate, chamber pressure differential, particle count per size bin (via optional PMS integration), and PLC I/O status—with automatic generation of IEC-aligned test reports (PDF + CSV). Data export complies with ASTM E2500-13 guidelines for equipment qualification records. Audit trails record user login/logout, parameter changes, and manual overrides with digital signature capability. Optional cloud sync enables remote supervision by QA teams across global supply chains. All firmware and software updates undergo formal change control per ISO 9001:2015 Clause 8.5.1.2, with version history archived and accessible during regulatory inspections.
Applications
- Qualification testing of automotive ADAS sensors (radar, LiDAR housings) per ISO 20653:2013 (IP6K9K extension).
- Validation of hermetic sealing integrity for medical implantable electronics under long-term dust exposure.
- Reliability screening of 5G mmWave antenna modules subjected to desert-sand ingress scenarios.
- Process development support for conformal coating and gasket material selection in consumer electronics OEMs.
- Research-grade studies on dust-induced degradation kinetics in photovoltaic junction boxes and smart meter casings.
FAQ
What dust standards does the JH-SDT support?
It delivers ISO 12103-1 A4 (fine test dust), A2 (coarse), and quartz sand per ISO 20623 Annex B—fully configurable for IP5X, IP6X, MIL-STD-810H Method 510.6, and GB/T 2423.37.
Can the chamber be integrated into an automated test line?
Yes—RS-485 Modbus RTU and Ethernet/IP interfaces are standard; optional Profibus DP and OPC UA gateways available for MES/SCADA integration.
Is third-party calibration included with purchase?
Each unit ships with a CNAS-accredited calibration certificate covering airflow velocity, concentration stability, and temperature uniformity (per IEC 60068-3-5).
How is dust recovered post-test?
Standard configuration includes cyclonic separator + HEPA H14 filtration; optional vacuum recovery with weigh-scale feedback loop enables closed-loop dust reuse with <±2% mass deviation.
Does the system support remote validation for ISO 17025 accredited labs?
Yes—full digital twin functionality, encrypted data logging, and electronic signature support enable remote witnessing per ILAC-P10:2022 requirements.
