LabCompanion THV Combined Temperature-Humidity-Vibration Environmental Test Chamber
| Brand | LabCompanion |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | THV |
| Temperature Range | -70 °C to +150 °C |
| Humidity Range | 20–98 %RH |
| Temperature Ramp Rate | 3–15 °C/min (average, over -55 °C to +80 °C) |
| Temperature Uniformity | ≤2 °C (empty chamber, ambient pressure) |
| Temperature Stability | ±0.5 °C (empty chamber, ambient pressure) |
| Standard Load Capacity | 15 kg aluminum mass, 350 W internal heat dissipation |
Overview
The LabCompanion THV Combined Temperature-Humidity-Vibration Environmental Test Chamber is an integrated reliability validation platform engineered for simultaneous multi-stress environmental simulation. It combines precision-controlled thermal conditioning (via dual-stage cascade refrigeration and PID-driven electric heating), high-fidelity humidity regulation (using steam injection and solid-state dew point control), and synchronized mechanical vibration excitation—either uniaxial (vertical) or triaxial (vertical + horizontal) via externally coupled electrodynamic shakers. This architecture enables accelerated life testing, HALT/HASS protocols, and qualification per MIL-STD-810, IEC 60068, and automotive OEM specifications such as GM W3177 and Ford CETP 00.00-L-467. The chamber’s core function is to replicate real-world operational stress profiles—including rapid thermal transients, condensing humidity cycles, and resonant mechanical loading—in a single, time-synchronized test sequence. Its design prioritizes metrological integrity: all climate subsystems are independently calibrated and traceable to NIST-equivalent national standards, with closed-loop feedback ensuring compliance across the full operational envelope.
Key Features
- Modular vibration integration: Supports direct coupling with vertical-only or vertical+horizontal electrodynamic shakers (e.g., LDS V875, TIRA TV 51120); optional hydraulic shaker interfaces available for high-force applications.
- Structural integrity: Heavy-duty welded frame with reinforced load-bearing base; SUS304 stainless steel inner chamber walls and floor; high-density polyurethane foam insulation (≥120 mm thickness) minimizing thermal bridging and energy loss.
- Sealing & visibility: High-temperature silicone rubber gasket (rated to 200 °C) ensuring leak-tightness at all humidity levels; large-area, double-glazed anti-frost observation window with embedded LED lighting and low-emissivity coating.
- Energy-efficient climate control: Variable-speed compressor modulation (0–100% capacity control) eliminates traditional heater-reheat inefficiencies—reducing power consumption by up to 30% versus fixed-capacity systems.
- Electrical safety & redundancy: Independent overcurrent and thermal protection for each fan motor and heating element; short-circuit protected humidifier circuits; grounded chassis with IP54-rated control cabinet.
- Expandable I/O architecture: Standard Ethernet (TCP/IP) and USB 2.0 interfaces; optional RS-485/Modbus RTU support; provision for up to 8 external analog inputs (±10 V, 16-bit resolution) for sensor integration.
Sample Compatibility & Compliance
The THV chamber accommodates test specimens up to 15 kg mounted on standard aluminum test fixtures (350 W maximum internal heat load). Its internal dimensions are configurable per customer specification, with standard configurations supporting DIN 50017, ISO 6270, and ASTM D4332-compliant sample placement. All climate control algorithms comply with GLP and GMP data integrity requirements: temperature and humidity sensors meet ISO/IEC 17025 calibration traceability, and real-time logging includes timestamped metadata (operator ID, setpoint history, alarm events). The system satisfies mandatory regulatory frameworks including GB/T 10592–2008 (high-low temperature chambers), GB/T 10586–2006 (damp heat chambers), GB/T 2423.1–2008 through GB/T 2423.4–2008 (IEC 60068-2 series equivalents), and GJB 150.3A–2009 through GJB 150.9A–2009 (MIL-STD-810G Chinese military adaptation). Vibration synchronization is validated against GB/T 2423.35–2005 (sinusoidal vibration) and GB/T 2423.36–2005 (random vibration).
Software & Data Management
Control and monitoring are managed via LabCompanion’s proprietary WinTest Suite v4.2—a Windows-based application compliant with FDA 21 CFR Part 11 (audit trail, electronic signatures, role-based access control). The software supports multi-step profile programming (up to 999 segments), real-time graphical overlay of temperature/humidity/vibration amplitude spectra, and automated report generation in PDF/CSV formats. Optional全程 data recording (with 1 Hz sampling) stores raw sensor outputs, actuator status, and alarm logs on encrypted internal SSD storage (128 GB standard). Exported datasets include ISO 17025-compliant uncertainty budgets and can be imported into MATLAB, Python (via Pandas), or JMP for statistical process analysis. Remote supervision is enabled via HTTPS-secured web interface with TLS 1.2 encryption and two-factor authentication.
Applications
- Aerospace electronics: Validation of avionics modules under combined thermal shock, moisture ingress, and flight-spectrum vibration per DO-160 Section 23.
- Automotive ECUs: End-of-line environmental stress screening (ESS) and design verification per ISO 16750-4 and SAE J2245.
- Medical device packaging: Accelerated aging studies per ASTM F1980 (humidity-induced seal degradation) under dynamic mechanical stress.
- 5G base station components: Thermal cycling fatigue assessment of RF front-end assemblies subjected to wind-induced structural resonance.
- Defense-grade batteries: Cycle-life evaluation of Li-ion cells under simultaneous thermal gradient, condensation, and transport-vibration profiles (MIL-PRF-32119).
FAQ
Can the THV chamber operate with third-party vibration systems?
Yes—standardized mechanical mounting interfaces (ISO 20000-1 compliant flanges) and IEEE 1394/SCPI-compatible communication protocols enable seamless integration with shakers from Brüel & Kjær, Head Acoustics, and m+p International.
Is humidity control stable at sub-zero temperatures?
The chamber maintains humidity down to -40 °C using frost-resistant steam generators and heated inlet ducting; below -40 °C, humidity operation is disabled by interlock to prevent ice accumulation.
What is the calibration interval recommendation?
Temperature and humidity sensors require annual recalibration per ISO/IEC 17025; vibration transducer calibration follows ISO 16063-21 and must be performed before each high-amplitude test campaign.
Does the system support automated pass/fail evaluation?
WinTest Suite allows user-defined limit checks per channel with configurable hysteresis; deviations trigger immediate email/SMS alerts and initiate automatic test abort sequences.
Are custom chamber dimensions available?
Yes—LabCompanion offers fully customized internal volumes (minimum 200 L, maximum 5 m³), specialized door configurations (sliding, top-hinged), and non-standard material options (e.g., Hastelloy C-276 for corrosive gas testing).
