Walk-in Sand Dust Aging Test Chamber – Jiubin Custom-Built Environmental Test System

Overview

The Jiubin JB-200B Walk-in Sand Dust Aging Test Chamber is an engineered environmental test system designed for long-duration thermal aging under controlled airborne particulate conditions. Unlike standard temperature-only chambers, the JB-200B integrates structural provisions for optional sand/dust introduction (via external dust generator integration ports), enabling combined thermal–particulate stress testing per IEC 60068-2-68 Clause 7 (Test L: Dust). Its core architecture supports continuous operation at elevated temperatures up to 100 °C, with high thermal efficiency achieved through dynamic load-adaptive heating control—where the Yamatake digital controller continuously recalculates required heater output based on real-time chamber thermal mass, ambient drift, and device-under-test (DUT) self-heating contribution. This closed-loop optimization reduces steady-state heating power to <15% of maximum rated capacity, minimizing energy consumption while maintaining stable thermal profiles across large-volume test spaces.

Key Features

• Modular walk-in construction using 50 mm fire-retardant rockwool-insulated sandwich panels with double-skin white pre-coated steel cladding—ensuring low thermal leakage and Class B1 flame resistance per GB 8624.
• Yamatake (Japan) digital temperature controller with PID/SSR auto-tuning, ±1 °C display accuracy, and 0.3 °C resolution—calibrated traceable to national metrology standards.
• Forced-air circulation system featuring Taiwan-sourced multi-wing axial fans and galvanized ductwork (δ0.8 mm), delivering uniform airflow distribution and noise level <65 dB(A) at 1 m distance.
• Robust heating subsystem comprising oxidation-resistant stainless steel finned tubular heaters (5-year warranty), rated for continuous duty in aggressive thermal cycling environments.
• Integrated safety architecture: over-temperature cut-off (user-definable setpoint), phase-loss detection, motor thermal overload protection, audible/visual alarm indicators, and delayed fan shutdown post-cycle to prevent heat soak.
• Centralized operator interface with dedicated control panel housing all status indicators, timer controls, emergency stop, and alarm reset—mounted at ergonomic height for seated or standing access.

Sample Compatibility & Compliance

The JB-200B accommodates full-size industrial assemblies—including automotive ECUs, outdoor telecom enclosures, solar inverters, and military-grade connectors—within its fully customizable interior dimensions. Its modular plug-in assembly allows field adaptation for non-standard footprints (e.g., L-shaped layouts or dual-zone configurations). While the base model does not include integrated dust dispersion hardware, it provides standardized flanged ports (DN50) on rear walls for seamless coupling with ISO-certified sand/dust generators (e.g., BME or Weishaupt units), enabling compliance with IEC 60068-2-68, MIL-STD-810H Method 510.6, and GB/T 2423.16. All electrical components meet IP54 ingress protection requirements; lighting uses explosion-proof LED fixtures conforming to GB 3836.1. The chamber’s thermal performance is validated per ASTM E744 (Standard Practice for Calibrating Environmental Chambers) and supports audit-ready documentation for ISO/IEC 17025-accredited labs.

Software & Data Management

The JB-200B operates as a standalone hardware platform with no embedded data logging or cloud connectivity. However, its Yamatake controller features analog voltage (0–10 V) and RS-485 Modbus RTU outputs for integration into third-party SCADA or LIMS systems. Users may connect external chart recorders, DAQ modules (e.g., National Instruments USB-TC01), or programmable logic controllers to capture time-stamped temperature traces, alarm events, and cycle completion signals. All operational parameters—including setpoint, actual temperature, elapsed time, and fault codes—are visible on the front-panel LCD. For regulated environments, optional paperless chart recorders with 21 CFR Part 11-compliant electronic signatures and audit trail functionality can be deployed externally. Calibration certificates for PT100 sensors are supplied with NIST-traceable documentation.

Applications

• Accelerated life testing of electronics subjected to desert or arid-region deployment conditions—evaluating solder joint integrity, conformal coating adhesion, and connector contact resistance after thermal–particulate co-stress.
• Validation of thermal management designs in battery enclosures and power converters operating under sustained high-temperature load conditions.
• Material degradation studies for polymer housings, gaskets, and seals exposed to cyclic thermal expansion combined with abrasive particulate ingress.
• Pre-compliance screening for automotive component qualification per AEC-Q200 Rev D, where thermal aging precedes humidity or vibration testing phases.
• Quality assurance workflows in contract manufacturing facilities performing burn-in of high-reliability PCBAs prior to final shipment.

FAQ

Does the JB-200B include an integrated sand/dust generation system?
No—the base configuration provides structural and interface readiness for external dust generator integration only. Dust delivery hardware must be specified separately.
Can the chamber operate unattended for extended periods?
Yes—designed for continuous 24/7 operation within its temperature range, supported by redundant safety interlocks and automatic timer-based shutdown.
Is remote monitoring possible without additional hardware?
Not natively. Remote visibility requires connection to external DAQ or SCADA systems via the provided Modbus RTU or analog output interfaces.
What calibration documentation is included?
Factory calibration report for the Yamatake controller and PT100 sensor array, with traceability to CNAS-accredited reference standards.
Are custom interior modifications (e.g., cable ports, mounting rails) supported?
Yes—Jiubin offers engineering consultation and fabrication services for application-specific adaptations under formal customization agreements.