LabCompanion LT-150 Environmental Test Chamber

Overview

The LabCompanion LT-150 Environmental Test Chamber is a precision-engineered climatic simulation system designed for rigorous reliability assessment of materials, components, and finished products under controlled temperature and humidity conditions. Based on the fundamental principles of thermodynamic equilibrium and vapor pressure control, the chamber maintains stable thermal and hygric environments through independent, microprocessor-regulated heating, cooling, humidification, and dehumidification subsystems. Its operational envelope spans −70 °C to 150 °C and 10–98 %RH, enabling compliance-driven validation across international environmental stress testing standards including IEC 60068-2-1 (cold), IEC 60068-2-2 (dry heat), IEC 60068-2-30 (damp heat, cyclic), and MIL-STD-810H Method 507.5. The chamber’s robust architecture—featuring full SUS#304 stainless steel construction, multi-layer high-density PU insulation, and silicone gasket sealing—ensures long-term dimensional stability, corrosion resistance, and minimal thermal leakage, critical for repeatable test outcomes in QA/QC laboratories and R&D facilities.

Key Features

• Independent dual-stage refrigeration system for models operating at −40 °C and below, ensuring rapid cooldown and stable low-temperature performance without refrigerant cross-contamination.
• Steam-based humidification with stainless steel boiler and automatic water level monitoring, delivering consistent RH generation and eliminating mineral deposit accumulation typical of ultrasonic or pan-type systems.
• Digital PID controller with SSR output and LCD interface supporting up to 99 programmable segments, 999 cycles, and time-based ramp/soak profiles—fully compliant with ISO/IEC 17025 traceability requirements for test condition logging.
• High-fidelity environmental uniformity: ±0.1 °C temperature deviation and ±4 %RH spatial variation across the working volume, verified per ASTM E145 Annex A3 methodology.
• Integrated safety architecture including over-temperature cutoff, compressor overload protection, phase failure detection, and auto-shutdown upon low-water-level or door-open events—meeting UL 61010-1 and IEC 61000-6-2 EMC immunity criteria.
• Standard vacuum-glass observation window with internal LED lighting and optional programmable shelf racks, facilitating real-time visual inspection without compromising chamber integrity.

Sample Compatibility & Compliance

The LT-150 accommodates a broad range of sample geometries and material classes—including polymer composites, PCB assemblies, automotive electronics, pharmaceutical packaging, and aerospace fasteners—within its 150 L internal volume (W×D×H: 60×80×85 cm). Its fully sealed stainless steel chamber and inert interior surface minimize outgassing interference and support cleanroom-compatible operation. The system is engineered to meet regulatory expectations for environmental qualification in GMP-compliant settings: data integrity is preserved via non-volatile memory retention, audit-trail-enabled parameter changes, and configurable alarm logging—all aligned with FDA 21 CFR Part 11 electronic record requirements when paired with validated software extensions. Third-party calibration certificates (NIST-traceable) are available for temperature and humidity sensors, supporting ISO/IEC 17025 accreditation of in-house test methods.

Software & Data Management

While the LT-150 operates autonomously via its embedded digital controller, it provides analog linear outputs (0–10 V DC or 4–20 mA) for temperature and relative humidity—enabling seamless integration with external data acquisition systems, SCADA platforms, or centralized lab management software. Optional RS-485 Modbus RTU communication allows remote monitoring and parameter adjustment using industry-standard protocols. All setpoints, runtime logs, alarm histories, and cycle completion timestamps are stored locally with battery-backed memory. For GLP/GMP environments, LabCompanion offers optional validation documentation packages—including IQ/OQ protocols, sensor calibration reports, and uncertainty budgets—supporting full lifecycle compliance from installation through routine maintenance.

Applications

• Accelerated aging studies of elastomers, adhesives, and conformal coatings under combined thermal-hygric stress.
• Pre-conditioning of lithium-ion battery cells prior to electrical cycling tests per UN 38.3 Section 38.3.4.
• Stability testing of medical device packaging per ISO 11607-1 Annex B and ASTM F1980 accelerated aging protocols.
• Environmental screening of avionics modules to DO-160G Section 4 (temperature) and Section 5 (humidity) requirements.
• Qualification of printed circuit board assemblies (PCBAs) against IPC-9701A thermal cycling and moisture sensitivity level (MSL) conditioning.
• Material compatibility testing of optical lenses and MEMS sensors subjected to condensation-prone cyclic humidity profiles.

FAQ

What is the standard warranty coverage for the LT-150?

LabCompanion provides a 12-month parts-and-labor warranty covering all structural, mechanical, and electronic components, excluding consumables such as humidifier tanks and desiccant filters.
Can the LT-150 be integrated into an existing facility monitoring network?

Yes—the unit supports Modbus RTU over RS-485 and analog signal outputs compatible with most industrial DCS and BMS platforms; custom protocol gateways are available upon request.
Is third-party calibration included with purchase?

Factory calibration is performed pre-shipment using NIST-traceable reference standards; certified calibration reports are provided. On-site calibration services and annual recalibration contracts are offered separately.
Does the chamber meet CE marking requirements?

Yes—the LT-150 complies with the EU Machinery Directive 2006/42/EC, Electromagnetic Compatibility Directive 2014/30/EU, and Low Voltage Directive 2014/35/EU, and carries the CE mark accordingly.
How is humidity controlled below 10 %RH?

The base LT-150 model is rated for 10–98 %RH; sub-10 %RH operation requires optional dry-air purge or desiccant dehumidification add-ons, which are configurable during order specification.