LabCompanion PR/PL Series High-Low Temperature Environmental Test Chamber

Overview

The LabCompanion PR/PL Series High-Low Temperature Environmental Test Chamber is an engineered solution for precise, repeatable thermal stress testing of materials, components, and finished products under controlled ambient conditions. Designed in accordance with core principles of thermodynamic chamber architecture—featuring dual-stage compressor refrigeration, PID-controlled forced-air circulation, and high-efficiency insulation—the system delivers stable thermal environments across a wide operational range from −70 °C to +150 °C. Its robust stainless-steel interior, reinforced double-wall construction with polyurethane foam insulation (≥100 mm thickness), and calibrated airflow distribution ensure minimal thermal gradient and high spatial uniformity—critical for compliance-driven validation protocols in electronics, automotive, aerospace, and medical device sectors.

Key Features

• Wide temperature coverage: −70 °C to +150 °C, achieved via cascaded or single-stage hermetic compressors depending on model configuration
• PID-based digital temperature controller with real-time monitoring, programmable ramp/soak profiles, and auto-tuning capability
• Forced convection air circulation system with adjustable multi-directional baffles to maintain ±2.0 °C uniformity and ±0.5 °C fluctuation per IEC 60068-3-5 and ASTM E145-22 requirements
• Stainless-steel working chamber (SUS304) with seamless welding, corrosion-resistant finish, and removable insulated door gasket
• Standard RS485 interface supporting Modbus RTU protocol; optional Ethernet or USB data logging modules available
• Over-temperature, over-pressure, compressor overload, and phase-failure protection circuits compliant with EN 61000-6-2/6-4 EMC standards

Sample Compatibility & Compliance

The chamber accommodates test specimens up to 600 × 750 × 500 mm (W × H × D), with load capacity optimized for non-exothermic/non-endothermic samples. It supports standard mounting fixtures, cable ports (optional), and internal power outlets (220 VAC, 10 A). The system meets essential performance criteria outlined in ISO 16750-4 (road vehicles), MIL-STD-810H Method 502.7 (low temperature) and Method 501.7 (high temperature), as well as IEC 60068-2-1 (cold), IEC 60068-2-2 (dry heat), and GB/T 10589–2008 (Chinese national standard for low-temperature test chambers). While not intrinsically explosion-proof, the standard configuration complies with Class I, Division 2 hazardous location guidelines when used with external purge systems.

Software & Data Management

LabCompanion’s proprietary TEMPCONTROL v3.2 software (Windows-compatible) enables full remote operation, multi-segment profile programming, real-time graphing, and audit-trail-enabled data export (CSV, PDF, XLSX). All temperature logs include timestamped sensor readings from three independent PT100 probes (top/mid/bottom), meeting GLP/GMP documentation prerequisites. Optional FDA 21 CFR Part 11 compliance packages include electronic signature support, user role-based access control, and immutable log archiving—suitable for regulated QC laboratories conducting environmental qualification per ISO 13485 or ISO 9001.

Applications

• Accelerated aging and thermal cycling tests for PCB assemblies, lithium-ion battery cells, and polymer encapsulants
• Pre-conditioning of sensors, optical components, and MEMS devices prior to functional evaluation
• Validation of packaging integrity (e.g., blister packs, sterile barrier systems) under extreme thermal transit conditions
• Material coefficient-of-thermal-expansion (CTE) screening and dimensional stability assessment per ASTM D696
• Supporting ISTA 3A/3E transport simulation protocols requiring sequential hot/cold exposure phases
• Research-grade environmental simulation for academic studies in polymer science, metallurgy, and composite degradation kinetics

FAQ

What is the typical calibration interval recommended for this chamber?
Annual calibration against NIST-traceable reference standards is advised; internal verification using certified PT100 probes can be performed daily or per shift.
Can the chamber be integrated into a central laboratory monitoring system?
Yes—via RS485/Modbus RTU or optional Ethernet/IP interface, enabling integration with SCADA, LIMS, or building management systems (BMS).
Is humidity control available as an upgrade?
Humidity functionality is not supported in the PR/PL series; for combined temperature-humidity testing, refer to the LabCompanion TH Series chambers.
Does the unit comply with CE marking requirements?
Yes—the chamber carries CE marking per Machinery Directive 2006/42/EC and Low Voltage Directive 2014/35/EU, with full technical documentation available upon request.
What maintenance is required to sustain specified temperature uniformity?
Quarterly inspection of condenser coils, annual refrigerant pressure verification, and biannual recalibration of airflow sensors are recommended per the preventive maintenance schedule included in the operator manual.