JianHu JH-Series Programmable Thermal Cycling Chamber
| Brand | JianHu |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | JH-Series Programmable High-Low Temperature Test Chamber |
| Temperature Range | −70 °C to +150 °C |
| Cooling Method | Compressor-Based Refrigeration |
| Explosion-Proof Design | Yes |
| Temperature Fluctuation | ±0.5 °C |
| Temperature Uniformity | ±2.0 °C |
| Temperature Deviation | ±2.0 °C |
| Heating Rate | ≤60 min (−40 °C to +85 °C) |
| Cooling Rate | ≤45 min (25 °C to −40 °C), ≤60 min (25 °C to −55 °C), ≤80 min (25 °C to −70 °C) |
| Internal Chamber Dimensions | Custom-configurable — contact technical support for dimensional specifications and volume options |
Overview
The JianHu JH-Series Programmable Thermal Cycling Chamber is an engineered environmental test system designed to replicate extreme thermal conditions for reliability validation of materials, components, and finished products across aerospace, automotive electronics, semiconductor packaging, biomedical devices, and advanced polymer applications. Based on forced-air convection with dual-stage compressor refrigeration and PID-controlled resistive heating, the chamber delivers precise, repeatable thermal profiles under programmable ramp-hold-soak sequences. Its explosion-proof construction (certified per IEC 60079-0 and GB 3836.1–2010) enables safe testing of volatile or flammable samples—critical for battery cell evaluation, solvent-based coatings, and chemical formulation stability studies. Operating within a validated temperature envelope of −70 °C to +150 °C, the system supports both steady-state exposure and dynamic thermal cycling protocols compliant with MIL-STD-810H Method 502.7, IEC 60068-2-14, and ASTM D3418.
Key Features
- Robust dual-stage cascade refrigeration system enabling stable operation down to −70 °C without liquid nitrogen dependency
- Explosion-proof enclosure rated for Class I, Division 1 hazardous locations (ATEX/IECEx-ready configuration available)
- High-stability PID temperature control with real-time deviation compensation and auto-tuning capability
- Temperature uniformity maintained at ±2.0 °C across working volume, verified per ISO 16750-4 Annex A
- Programmable 30-segment thermal profiles with soak, ramp, and cycle repetition functions
- Insulated double-wall stainless steel chamber with electrostatically applied epoxy-coated exterior housing
- Integrated over-temperature, over-pressure, and refrigerant leak detection with hardware interlock shutdown
- Touchscreen HMI with multi-language interface (English, German, Japanese, Chinese) and USB data export
Sample Compatibility & Compliance
The JH-Series accommodates diverse sample geometries—including PCB assemblies, lithium-ion pouch cells, optical sensors, elastomeric seals, and pharmaceutical blister packs—within customizable internal dimensions. Chamber interiors are constructed from 304 stainless steel with non-outgassing gaskets, ensuring compatibility with cleanroom-grade and GMP-aligned workflows. The system meets electromagnetic compatibility requirements per EN 61326-1 and safety standards per EN 61010-1. Optional humidity integration (not included in base model) allows extension to combined temperature/humidity testing per IEC 60068-2-30. Calibration traceability follows ISO/IEC 17025 guidelines; factory calibration certificates include NIST-traceable reference sensor data and uncertainty budgets.
Software & Data Management
The embedded control software supports full audit trail functionality compliant with FDA 21 CFR Part 11 requirements, including electronic signatures, user role-based access control, and immutable event logging. Real-time temperature data is timestamped and stored locally on industrial-grade SD card (16 GB) with optional Ethernet/Wi-Fi connectivity for remote monitoring via Modbus TCP or OPC UA. Export formats include CSV, PDF test reports, and XML protocol files compatible with LIMS integration. Optional PC-based JianHuTest Suite v4.2 provides advanced statistical process control (SPC) overlays, Weibull failure analysis, and automated compliance reporting against JEDEC JESD22-A104, IPC-9701, and SAE J2334 standards.
Applications
- Thermal shock endurance validation of automotive ADAS modules per ISO 16750-4
- Accelerated aging of OLED display encapsulation layers under cyclic −40 °C/+85 °C stress
- Qualification testing of space-grade connectors per ECSS-Q-ST-70-08C
- Pre-conditioning of lithium-metal battery prototypes prior to electrochemical cycling
- Stability assessment of sterile medical device packaging under simulated transit environments
- Material coefficient of thermal expansion (CTE) measurement via interferometric displacement tracking
- Process validation of conformal coating cure cycles in electronics manufacturing
FAQ
What standards does the JH-Series chamber comply with for temperature uniformity verification?
Uniformity is validated per ISO 16750-4 Annex A using nine calibrated PT100 sensors positioned at standardized chamber locations.
Is third-party calibration certification available upon delivery?
Yes—NIST-traceable calibration certificate with uncertainty budget and as-found/as-left data is provided standard; UKAS-accredited calibration available as optional service.
Can the chamber be integrated into an existing factory MES or SCADA system?
Yes—Modbus TCP, OPC UA, and analog 4–20 mA output interfaces support seamless integration with major industrial automation platforms.
What is the typical lead time for custom internal dimensions or explosion-proof modifications?
Standard configurations ship within 6–8 weeks; custom-engineered variants require 12–14 weeks following final mechanical design review and safety certification approval.
Does JianHu provide application engineering support for test method development?
Yes—JianHu’s Application Lab offers protocol development, failure mode correlation studies, and DOE-based test matrix optimization for qualification programs.
