LabCompanion LC-80 Programmable High-Low Temperature Environmental Test Chamber
| Brand | LabCompanion |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Model | LC-80 |
| Internal Chamber Dimensions (W×H×D) | 400 × 500 × 400 mm |
| Temperature Range | −40 °C to +100 °C (optional up to +150 °C) |
| Temperature Uniformity | ≤2 °C |
| Temperature Stability | ±0.5 °C (high-temp zone), ±1 °C (low-temp zone) |
| Heating Rate | ≥2–3 °C/min |
| Cooling Rate | ≤1 °C/min |
| Ambient Operating Conditions | 15–35 °C, ≤85% RH |
| Power Supply | AC 220 V ±10%, 50 Hz or AC 380 V ±10%, 50 Hz |
| Insulation Material | High-density ultra-fine thermal insulation cotton |
| Air Circulation | Stainless steel impeller, single-cycle forced convection with low-noise centrifugal blower |
| Safety Protections | Leakage current cutoff, compressor high-pressure & overheat protection, motor overcurrent & overload fusing, fan overheat monitoring, audible alarm system |
| Standard Features | Heated double-glazed observation window with conductive film, Φ50 mm cable port, moisture-resistant LED interior lighting, adjustable stainless steel sample shelves |
Overview
The LabCompanion LC-80 Programmable High-Low Temperature Environmental Test Chamber is an engineered solution for controlled thermal stress evaluation of materials, components, and finished products under non-cyclic temperature conditions. Designed in accordance with fundamental principles of thermal dynamics and environmental simulation, the chamber operates via a precision-controlled forced-air convection system, enabling stable and repeatable exposure across a broad operational range from −40 °C to +100 °C (with optional extension to +150 °C). Its architecture integrates thermodynamic isolation—achieved through high-density ultra-fine thermal insulation—and active air management to minimize thermal gradients and ensure compliance with widely referenced test standards including IEC 60068-2-1 (cold), IEC 60068-2-2 (dry heat), and MIL-STD-810G Method 502.5. The chamber is not intended for humidity cycling or combined temperature-humidity profiles; it serves specifically as a static or step-programmable thermal exposure platform for reliability screening, qualification testing, and pre-compliance verification in R&D and quality assurance laboratories.
Key Features
- Programmable digital temperature controller with PID algorithm and auto-tuning capability, supporting multi-segment ramp-soak profiles and real-time setpoint adjustment
- High-efficiency refrigeration circuit utilizing imported hermetic compressors and optimized refrigerant charge for long-term stability and minimal maintenance
- Corrosion-resistant 304 stainless steel interior chamber with satin-finish surface and seamless welded corners for easy cleaning and contamination control
- Dual-layer heated observation window with transparent conductive film to prevent condensation and maintain optical clarity during low-temperature operation
- Single-cycle forced-air circulation system featuring a low-noise centrifugal blower and stainless steel impeller, delivering uniform airflow without turbulence-induced thermal stratification
- Comprehensive safety architecture including dual-stage compressor pressure monitoring, thermal cutouts on critical components, ground-fault interruption, and audible/visual alarm activation upon fault detection
Sample Compatibility & Compliance
The LC-80 accommodates a wide variety of physical samples—including PCB assemblies, automotive sensors, polymer housings, battery modules, and medical device enclosures—within its 400 × 500 × 400 mm working volume. Its Φ50 mm cable port enables uninterrupted electrical or signal interfacing during thermal exposure, while adjustable stainless steel shelves support flexible load configuration. All structural and operational characteristics meet baseline requirements for ISO/IEC 17025-accredited laboratories performing environmental stress screening. Though not inherently compliant with FDA 21 CFR Part 11 out-of-the-box, the system supports integration into validated workflows when paired with qualified data logging hardware and audit-trail-enabled software (e.g., LabCompanion DataMaster Suite v4.2+). It conforms to CE marking directives for electromagnetic compatibility (2014/30/EU) and low-voltage safety (2014/35/EU), and its construction adheres to RoHS 2011/65/EU material restrictions.
Software & Data Management
The LC-80 operates independently via its embedded Taiwan-sourced microprocessor-based controller, offering local programming and real-time display of chamber temperature, setpoint, elapsed time, and alarm status. For extended data capture and traceability, LabCompanion provides optional RS485/Modbus RTU or Ethernet TCP/IP interfaces compatible with third-party SCADA systems (e.g., Ignition, Siemens Desigo CC) and LIMS platforms. When used with LabCompanion’s certified DataMaster software, users gain access to automated report generation (PDF/CSV), electronic signature support, configurable audit trails, and deviation alerting—all aligned with GLP and GMP documentation expectations. Raw temperature logs are timestamped at 1-second intervals and stored internally for up to 30 days, ensuring full reproducibility for internal audits or regulatory review.
Applications
- Thermal shock pre-screening of electronic subassemblies prior to formal JEDEC JESD22-A104 qualification
- Stability assessment of adhesives, sealants, and encapsulants under prolonged elevated temperatures per ASTM D1525
- Low-temperature functional validation of lithium-ion battery packs operating in arctic environments
- Material embrittlement evaluation of thermoplastics and elastomers in accordance with ISO 458
- Calibration verification of temperature-sensitive sensors (RTDs, thermistors, ICs) across defined thermal plateaus
- Process validation support for sterilization packaging integrity testing under non-humidified thermal conditions
FAQ
What is the maximum allowable ambient temperature for continuous operation?
The chamber is rated for continuous use only within an ambient temperature range of 15 °C to 35 °C. Operation outside this range may compromise cooling efficiency and accelerate component aging.
Can the LC-80 be integrated into a centralized laboratory monitoring network?
Yes—via optional Modbus RTU (RS485) or Ethernet interface modules, enabling remote readout, alarm forwarding, and synchronized scheduling across multi-chamber test farms.
Is the temperature uniformity specification verified per any recognized standard?
Uniformity is measured per IEC 60068-3-5 using nine calibrated PT100 sensors placed on a 3×3 grid at mid-height; results are documented in the factory calibration certificate supplied with each unit.
Does the system include validation documentation for GxP-regulated environments?
A comprehensive IQ/OQ protocol package is available as an add-on service, including traceable sensor calibration certificates, installation verification checklists, and operational performance tests conducted under ISO/IEC 17025-accredited conditions.
What maintenance intervals are recommended for optimal long-term performance?
Compressor oil and refrigerant levels should be inspected annually; air filter elements require replacement every six months; door gasket integrity and heater continuity should be verified quarterly per the user manual’s preventive maintenance schedule.
