LabCompanion HP-408U Programmable Temperature & Humidity Environmental Test Chamber
| Brand | LabCompanion |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | HP-408U |
| Internal Volume | 408 L |
| Internal Dimensions (W×H×D) | 600 × 850 × 800 mm |
| Temperature Range | 0 to +150 °C |
| Humidity Range | 20–98% RH (optional dehumidification to ≤10% RH) |
| Temperature Uniformity | ±0.5 °C |
| Temperature Deviation | ≤ ±2.0 °C |
| Humidity Deviation | ±2.5% RH |
| Heating Rate | 0 → +150 °C in ≤20 min (~3 °C/min) |
| Cooling Rate | +20 → 0 °C in ≤20 min (~1 °C/min) |
| Refrigerant | R507 (HFC-based, ozone-friendly) |
| Control System | ETAC820 Touchscreen PLC Controller (50 programs, 2500 segments, USB data export, LAN remote monitoring) |
| Construction | SUS304 stainless steel interior, powder-coated cold-rolled steel exterior, high-density polyurethane + fiberglass insulation |
| Safety Protections | Dry-heater cutoff, independent over-temperature cutoff, low-water detection, compressor overload/overcurrent protection, high-pressure refrigerant switch, earth leakage protection |
Overview
The LabCompanion HP-408U Programmable Temperature & Humidity Environmental Test Chamber is an engineered solution for accelerated environmental stress testing under precisely controlled thermal and hygrothermal conditions. Designed around the principle of mechanical compression refrigeration—employing a dual-stage cascade system for deep sub-zero capability and a high-efficiency HFC-507 refrigerant—the chamber delivers stable, repeatable exposure profiles across wide operational boundaries. Its core function is to simulate real-world climatic stresses—including temperature cycling, humidity conditioning, and combined thermal-humidity excursions—to evaluate material integrity, functional reliability, and failure modes of electronic components, optoelectronic devices, PCB assemblies, lithium-ion batteries, and polymer-based enclosures. The chamber complies with internationally recognized test standards including IEC 60068-2-1 (cold), IEC 60068-2-2 (dry heat), IEC 60068-2-30 (damp heat, cyclic), MIL-STD-810G Method 507.5 (temperature/humidity cycling), and GB/T 2423.4 (China national standard for damp heat, cyclic). It serves as a foundational tool in product qualification, design validation, and quality assurance workflows governed by ISO/IEC 17025, IATF 16949, and GMP-compliant laboratory environments.
Key Features
- Robust dual-mode refrigeration architecture: single-stage for standard cooling and binary cascade configuration for extended low-temperature operation down to 0 °C, ensuring rapid thermal response and long-term stability.
- ETAC820 touchscreen controller with embedded industrial-grade PLC—supports up to 50 programmable test profiles, each comprising up to 2500 individual segments, with flexible loop logic (partial or full sequence repetition), time-per-step definition (0–999 h 59 min), and power-failure recovery with resume functionality.
- BTHC (Balanced Temperature & Humidity Control) algorithm enables independent, dynamic regulation of heating, cooling, humidification, and dehumidification subsystems—minimizing overshoot and improving chamber uniformity (±0.5 °C temp, ±2.5% RH humidity).
- SUS304 stainless steel inner chamber and corrosion-resistant powder-coated outer housing ensure structural longevity and compliance with cleanroom-compatible maintenance protocols.
- Integrated safety suite: dry-run protection for steam humidifier, redundant over-temperature cutoffs (independent from main controller), refrigerant high-pressure switch, compressor motor overload sensing, and ground-fault circuit interruption (GFCI).
- USB 2.0 mass storage interface for on-device logging and portable data transfer; optional LAN-based SCADA integration supports centralized fleet management of up to 200+ chambers via IPC architecture.
- Energy-optimized design reduces electrical consumption by ~30% and water usage by ~20% versus conventional systems—validated under ISO 50001-aligned operational assessment.
Sample Compatibility & Compliance
The HP-408U accommodates samples up to 600 mm (W) × 850 mm (H) × 800 mm (D), with two adjustable stainless steel shelves included as standard. Its internal airflow system utilizes a forward-curved centrifugal blower and optimized duct geometry to eliminate thermal stratification and achieve ≥90% volumetric uniformity per IEC 60068-3-5. The chamber meets regulatory requirements for GLP and GMP documentation integrity: controller firmware supports audit-trail-enabled event logging (including setpoint changes, alarm triggers, and manual interventions), timestamped USB-exported CSV datasets, and configurable password-protected access levels. All safety interlocks are hardwired and independently certified to UL 61010-1 and EN 61000-6-2/6-4 electromagnetic compatibility standards.
Software & Data Management
The ETAC820 controller provides native support for real-time trend visualization, multi-channel curve overlay (temperature/humidity/elapsed time), and automatic generation of summary reports compliant with FDA 21 CFR Part 11 Annex 11 expectations—when deployed with optional electronic signature modules. Data export formats include CSV, PDF, and proprietary .ETD files readable by LabCompanion’s free desktop analysis suite. Remote monitoring is implemented via TCP/IP stack using Modbus TCP and HTTP APIs, enabling integration into enterprise MES/LIMS platforms (e.g., LabVantage, Thermo Fisher SampleManager). Firmware updates are delivered via secure HTTPS and validated through SHA-256 checksum verification prior to installation.
Applications
- Electronics reliability testing: thermal cycling of BGA packages, moisture sensitivity level (MSL) preconditioning per J-STD-020, and solder joint fatigue evaluation under combined thermal-humidity load.
- Battery development: calendar life assessment of LiCoO₂ and NMC cells at elevated temperature/humidity, SEI layer growth kinetics under damp-heat aging, and safety validation per UN 38.3 Section 40.3.
- Optoelectronic qualification: LCD panel birefringence shift analysis, optical adhesive delamination under humidity soak, and fiber optic connector corrosion resistance per Telcordia GR-326.
- Automotive component validation: ECUs, sensors, and infotainment modules per ISO 16750-4 (climate resistance) and LV-124 (VW-specific environmental test plan).
- Pharmaceutical packaging: barrier property verification of blister foils and cold-chain container performance under ICH Q5C stability protocols.
FAQ
What is the minimum achievable humidity level with optional dehumidification?
With the integrated desiccant-assisted dehumidification module, the chamber achieves ≤10% RH at 25 °C ambient—verified per ISO 12238 Annex C calibration procedures.
Does the controller support 21 CFR Part 11-compliant electronic signatures?
Yes—when configured with optional user-role authentication, biometric or token-based sign-off, and immutable audit logs, the system satisfies predicate rule requirements for regulated life science applications.
Can the HP-408U perform uninterrupted testing during utility outages?
It features non-volatile memory retention and automatic resumption from last valid segment upon AC restoration—no manual reinitialization required.
Is third-party calibration certification available?
LabCompanion provides NIST-traceable calibration certificates (temperature/humidity) issued by CNAS-accredited labs, with optional on-site verification per ISO/IEC 17025 scope.
What is the maximum sample weight capacity per shelf?
Each SUS304 shelf supports up to 30 kg uniformly distributed load; total chamber payload limit is 80 kg—confirmed via static structural FEA per ASME BPVC Section VIII Div. 1.
