LabCompanion TH-408-8 High-Low Temperature Cycling Chamber
| Brand | LabCompanion |
|---|---|
| Origin | Guangdong, China |
| Manufacturer | Hongzhan Technology Co., Ltd. |
| Model | TH-408-8 |
| Temperature Range | −70 °C to +150 °C |
| Temperature Fluctuation | ±0.5 °C |
| Temperature Deviation | ±2.0 °C |
| Temperature Uniformity | ≤2.0 °C |
| Heating Rate | 1–25 °C/min (linear or non-linear) |
| Cooling Rate | 1–25 °C/min (linear or non-linear) |
| Working Chamber Dimensions | 800 × 850 × 600 mm (W × H × D) |
Overview
The LabCompanion TH-408-8 High-Low Temperature Cycling Chamber is an engineered environmental simulation system designed for precise, repeatable thermal stress testing of materials, components, and finished products across industrial R&D, quality assurance, and reliability validation workflows. It operates on a dual-refrigeration and forced-air convection architecture, enabling controlled, programmable transitions between extreme low and high temperature setpoints—critical for evaluating thermal expansion mismatch, seal integrity, solder joint fatigue, polymer embrittlement, and electronic component performance under accelerated aging conditions. The chamber complies with core thermal test standards including IEC 60068-2-1 (cold), IEC 60068-2-2 (dry heat), and MIL-STD-810H Method 502.7 (temperature cycling), supporting both steady-state exposure and dynamic ramp-hold profiles.
Key Features
- Robust dual-stage refrigeration system with cascade compressor configuration, enabling stable operation at −70 °C without liquid nitrogen assistance
- Precision PID-controlled heating and cooling actuators, delivering ±0.5 °C temperature fluctuation within the working volume
- High-efficiency axial fan array with adjustable airflow direction ensures ≤2.0 °C spatial uniformity across the 800 × 850 × 600 mm stainless-steel interior chamber
- Programmable ramp rates from 1 to 25 °C/min—configurable as linear, stepwise, or custom non-linear profiles via embedded controller
- Double-wall insulated construction with vacuum-insulated panels (VIPs) in critical zones minimizes thermal leakage and improves energy efficiency
- Integrated safety interlocks: over-temperature cutoff, refrigerant pressure monitoring, door open alarm, and independent mechanical thermostat backup
Sample Compatibility & Compliance
The TH-408-8 accommodates a broad range of sample geometries—including PCB assemblies, automotive ECUs, battery modules (up to 30 kg), optical sensors, and polymer housings—within its spacious, corrosion-resistant chamber. Internal shelf support rails allow flexible vertical stacking while maintaining unobstructed air circulation. All control firmware and data logging functions are designed in alignment with GLP and GMP principles. The system supports audit-ready operation per FDA 21 CFR Part 11 when paired with optional validated software packages, and meets ISO/IEC 17025 traceability requirements for calibration documentation. Electrical safety conforms to IEC 61010-1; EMC compliance follows EN 61326-1.
Software & Data Management
The chamber ships with LabCompanion’s TC-Studio v4.2 embedded control interface, featuring a 7-inch capacitive touchscreen, multi-segment program editor, real-time trend plotting, and USB export of CSV-formatted temperature logs. Optional Ethernet/Wi-Fi connectivity enables remote monitoring via TCP/IP or Modbus TCP protocols. For enterprise integration, the TC-Link gateway module provides OPC UA compatibility and seamless ingestion into LIMS, MES, or PLM systems. All recorded data includes timestamp, setpoint, actual chamber temperature, ramp rate, and alarm status—with configurable retention policies and encrypted local storage. Calibration certificates include NIST-traceable references and uncertainty budgets per ISO/IEC 17025.
Applications
- Accelerated life testing of lithium-ion battery cells and packs under repeated thermal cycling (e.g., −40 °C ↔ +85 °C)
- Qualification of avionics hardware per DO-160 Section 4 (temperature variation)
- Thermal shock pre-screening of semiconductor packaging prior to JEDEC JESD22-A104 qualification
- Material characterization of adhesives, elastomers, and composite laminates under cyclic thermal load
- Validation of medical device sterilization packaging integrity after cold chain exposure
- Environmental stress screening (ESS) of printed circuit board assemblies in electronics manufacturing
FAQ
What is the maximum allowable sample mass and loading volume for reliable thermal uniformity?
The chamber maintains ≤2.0 °C uniformity with up to 25 kg of thermally inert mass occupying no more than 60% of the internal volume. Load distribution must avoid blocking air inlet/outlet grilles.
Can the TH-408-8 perform uninterrupted 1,000-cycle tests?
Yes—when operated within specified ambient conditions (15–30 °C, ≤80% RH) and maintained per scheduled service intervals (compressor oil change every 8,000 operating hours), the system achieves >99.2% uptime over 12-month continuous operation.
Is third-party calibration and IQ/OQ/PQ documentation available?
LabCompanion offers factory-issued IQ/OQ protocols compliant with ASTM E2500 and EU Annex 15, along with on-site PQ execution by ISO/IEC 17025-accredited field engineers.
Does the controller support custom profile scripting beyond preset ramps?
Yes—the TC-Studio platform accepts user-defined .CSV-based profile imports with time-temperature-point resolution down to 1 second, including conditional branching and event-triggered outputs.
How is refrigerant leak detection integrated into routine operation?
The system employs continuous low-pressure refrigerant circuit monitoring with automatic shutdown and audible/visual alerts upon deviation exceeding ±5% of nominal suction pressure.
