LabCompanion PU-800 Ultra-Low Temperature Environmental Test Chamber
| Brand | LabCompanion |
|---|---|
| Model | PU-800 |
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Temperature Range | –40 °C to +150 °C |
| Temperature Uniformity | ≤2.0 °C |
| Temperature Fluctuation | ±0.5 °C |
| Heating Rate (20 °C to +150 °C, no-load, non-linear) | ~3.5 °C/min |
| Cooling Rate (20 °C to –40 °C, no-load, non-linear) | ~1.0 °C/min |
| Temperature Control Resolution | 0.01 °C |
| Compliance | Designed for ASTM D3418, ISO 179, IEC 60068-2-1/2/14, and GLP-compliant thermal validation workflows |
Overview
The LabCompanion PU-800 Ultra-Low Temperature Environmental Test Chamber is an engineered thermal stress platform designed for precise, repeatable, and traceable temperature conditioning of materials, components, and subassemblies across demanding industrial and research environments. Based on forced-air convection with dual-stage refrigeration and PID-controlled resistive heating, the chamber delivers stable thermal profiles within a certified operating range of –40 °C to +150 °C. Its architecture integrates a high-efficiency scroll compressor, insulated stainless-steel inner chamber, and multi-point airflow optimization to minimize thermal gradients and ensure compliance with international environmental testing standards. Unlike general-purpose incubators or basic ovens, the PU-800 is purpose-built for accelerated life testing, thermal cycling qualification, and pre-conditioning prior to mechanical or electrical evaluation — supporting critical validation protocols in electronics reliability, aerospace component certification, and medical device biocompatibility assessment.
Key Features
- Stainless-steel interior chamber (SUS304) with seamless welding and anti-condensation insulation (≥120 mm polyurethane foam, 0.022 W/m·K thermal conductivity)
- Dual-stage cascade refrigeration system enabling reliable operation down to –40 °C without liquid nitrogen dependency
- High-precision platinum RTD (PT100) sensors with independent calibration traceability to NIST standards
- 0.01 °C temperature resolution and real-time digital display with programmable ramp/soak profiles (up to 99 segments)
- Robust microprocessor-based controller with password-protected parameter locking and event logging (timestamped start/stop, alarm history)
- Standard RS485 interface supporting Modbus RTU protocol for integration into centralized lab automation systems
- Optional Ethernet module available for remote monitoring, data export (CSV), and audit-trail generation per FDA 21 CFR Part 11 requirements
Sample Compatibility & Compliance
The PU-800 accommodates test specimens ranging from PCB assemblies and semiconductor packages to polymer films, battery cells, and surgical instruments. Internal dimensions span 20 L to 1000 L (1000×1000×1000 mm), with standardized mounting rails and cable ports (φ50 mm, silicone-sealed) facilitating non-intrusive sensor integration. All configurations meet IEC 60068-2-1 (cold), IEC 60068-2-2 (dry heat), and IEC 60068-2-14 (thermal shock) test method prerequisites. The chamber’s thermal uniformity (≤2.0 °C) and stability (±0.5 °C) are verified per ISO/IEC 17025-accredited procedures using calibrated thermocouple arrays. Documentation includes Factory Acceptance Test (FAT) reports, temperature mapping certificates, and optional IQ/OQ documentation packages aligned with GMP and GLP laboratory practices.
Software & Data Management
LabCompanion’s proprietary TEMPCONTROL v3.2 software enables full-cycle test definition, execution supervision, and post-analysis visualization. Users define multi-step thermal programs including dwell time, rate limits, and conditional triggers (e.g., “hold until internal sensor T1 reaches –20 °C ±0.3 °C”). Real-time graphs display up to eight channels simultaneously (chamber setpoint, actual temperature, auxiliary probe inputs). All data are stored locally with SHA-256 hashing and support automatic backup to network drives. For regulated environments, optional 21 CFR Part 11 modules provide electronic signatures, role-based access control, and immutable audit trails — fully compatible with LIMS and ELN platforms via standard CSV or XML export.
Applications
- Thermal cycling validation of automotive ECUs per AEC-Q200 requirements
- Pre-stressing of optical lenses and adhesives prior to interferometric inspection
- Accelerated aging of lithium-ion battery modules under low-temperature charge/discharge preconditioning
- Material embrittlement studies on thermoplastics and elastomers (ASTM D746, ISO 974)
- Reliability screening of MEMS devices and RF front-end modules across extended temperature extremes
- Stability testing of diagnostic reagents and sterile packaging per ISO 11607-1
FAQ
What is the maximum thermal load capacity for continuous operation at –40 °C?
The PU-800 maintains specified performance with up to 5 kg of aluminum mass (or equivalent thermal inertia) placed centrally; higher loads require derating consultation based on specific heat capacity and geometry.
Does the chamber support humidity control?
No — the PU-800 is a dry-temperature-only system. For combined temperature/humidity testing, consider the LabCompanion TH series chambers.
Can the controller log data internally without external PC connection?
Yes — the embedded controller stores 30 days of 1-second interval data (setpoint, actual, alarms) with automatic overwrite; export via USB flash drive is supported.
Is third-party calibration certification included with delivery?
A factory calibration certificate (traceable to national standards) is provided; ISO/IEC 17025-accredited field calibration is available as an add-on service.
What safety protections are built into the system?
Over-temperature cut-off (independent hardware limiter), refrigerant pressure monitoring, door-open interlock, and ground-fault circuit interruption (GFCI) compliant with IEC 61000-6-2 EMC immunity requirements.
