JH Series Custom-Built Burn-In Room by Jianhu Instruments
| Origin | Sichuan, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | JH |
| Pricing | Available Upon Request |
Overview
The JH Series Custom-Built Burn-In Room is an industrial-scale environmental stress screening (ESS) chamber engineered for accelerated life testing and thermal reliability validation of electronic assemblies, automotive components, aerospace subsystems, and high-volume production lots. Designed in accordance with IEC 60068-2-2 (dry heat), IEC 60068-2-14 (thermal cycling), and MIL-STD-810H Method 501.7 (high temperature), this burn-in system operates on forced-air convection thermoregulation with precise uniformity control across large volumetric test spaces—up to 100 m³ (customizable). Unlike benchtop thermal chambers, the JH Burn-In Room integrates structural, thermal, electrical, and safety subsystems into a single turnkey facility solution, enabling continuous operation at sustained temperatures from +40 °C to +150 °C with ±1.5 °C temperature uniformity (measured per ASTM E2293–22 at 12 critical points) and programmable ramp rates up to 5 °C/min. Its architecture supports both static soak and dynamic thermal profiling protocols required for qualification under AEC-Q200, JEDEC JESD22-A108, and IPC-9701 standards.
Key Features
- Modular insulated panel construction using double-skin stainless steel or electrophoretic-coated steel cladding with polyurethane (PU) core (100–200 mm thickness), achieving thermal conductivity ≤0.022 W/m·K and fire rating UL 94 HF-1.
- Horizontal air distribution system with multi-blade centrifugal fans and vertical heat-exchange ductwork ensures ≥90% spatial uniformity (per ISO 16750-4 Annex B) and eliminates thermal stratification.
- Dual-stage refrigeration circuit employing Copeland or Danfoss hermetic compressors with R-404A/R-507 eco-refrigerant blends; low-temperature stage optimized for sub-zero capability down to –40 °C (optional).
- Intelligent controller with RS-232/RS-485 interface supporting Modbus RTU protocol; compatible with LabVIEW, MATLAB, and SCADA platforms for remote monitoring and data logging.
- Integrated safety architecture including over-temperature cut-off, door interlock switches, CO₂ fire suppression readiness port, and real-time fault diagnostics with actionable remediation guidance on HMI.
- Time-sequence output relay module (dry contact, 5 A @ 250 VAC) enables synchronized triggering of external instrumentation (e.g., power supplies, DAQ systems) during test cycles.
Sample Compatibility & Compliance
The JH Burn-In Room accommodates full-rack server modules, EV battery packs (up to 2 m × 1.5 m × 1 m), avionics enclosures, and pharmaceutical stability batches requiring ICH Q1A(R3) compliant storage conditions. Structural load capacity exceeds 1,200 kg/m² floor loading. All electrical installations conform to GB/T 5226.1–2019 (equivalent to IEC 60204-1), while thermal performance verification follows ISO/IEC 17025-accredited procedures. Optional validation packages include IQ/OQ documentation aligned with FDA 21 CFR Part 11 requirements for electronic records and signatures.
Software & Data Management
The embedded controller logs temperature, humidity (if equipped), runtime, and alarm events at user-defined intervals (1 s to 60 min resolution) with onboard storage (>1 million data points) and automatic CSV export via USB or Ethernet. Optional Jianhu CloudLink software provides web-based dashboard visualization, multi-user role permissions (admin/operator/auditor), audit trail generation, and automated report templates compliant with GLP and GMP Annex 11. Data integrity safeguards include write-protection, cyclic redundancy check (CRC), and timestamped digital signatures.
Applications
- Pre-shipment burn-in screening of PCBAs and power electronics in Tier-1 automotive suppliers.
- Long-duration thermal aging of polymer-based medical device housings per ISO 10993-12.
- Environmental stress screening of defense-grade radar transceivers under MIL-STD-883 Method 1015.10.
- Stability chamber qualification for pharmaceutical raw material storage (25 °C/60% RH, 40 °C/75% RH).
- Thermal fatigue validation of solder joints in high-reliability aerospace connectors (IPC-9701 Class 3).
FAQ
What is the standard lead time for a custom JH Burn-In Room?
Typical delivery is 12–16 weeks after final layout approval and deposit confirmation, subject to panel fabrication and HVAC commissioning schedules.
Can the chamber be relocated or reconfigured post-installation?
Yes—modular PU panels are designed for disassembly, transport, and re-erection; structural reinforcement kits and revised calibration certificates are available upon request.
Is third-party validation support included?
Factory acceptance testing (FAT) is standard; on-site SAT and IQ/OQ execution can be arranged through Jianhu’s ISO/IEC 17025-certified validation team.
Does the system meet electromagnetic compatibility (EMC) requirements?
Yes—compliant with EN 61000-6-2 (immunity) and EN 61000-6-4 (emissions) for industrial environments.
What maintenance intervals are recommended?
Compressor oil analysis every 2,000 operating hours; condenser coil cleaning quarterly; controller firmware updates biannually per release notes.
