LabCompanion LP Programmable Temperature & Humidity Environmental Test Chamber
| Brand | LabCompanion |
|---|---|
| Model | LP |
| Origin | Guangdong, China |
| Manufacturer | LabCompanion (OEM/ODM Capable) |
| Type | Benchtop-to-Floor-Standing Programmable Climatic Chamber |
| Temperature Range | -70°C to +150°C (selectable sub-ranges: 0–150°C, -20–150°C, -40–150°C, -60–150°C, -70–150°C) |
| Humidity Range | 20–98% RH |
| Temperature Uniformity | ±1.0°C |
| Temperature Fluctuation | ±0.2°C |
| Temperature Deviation | ±2.0°C |
| Humidity Fluctuation | ±2.0% RH |
| Humidity Deviation | ±2.0% RH |
| Heating Rate (no load, ambient to target) | 4–7°C/min |
| Cooling Rate (no load, ambient to target) | 0.7–1.0°C/min |
| Chamber Internal Dimensions | 1000 × 1000 × 1000 mm (W×D×H) |
| Insulation | High-density ultra-fine glass fiber (≥150 mm thickness, multi-layered) |
| Humidification System | External boiler-type steam generator with energy recovery design (≈70% power reduction vs. conventional resistive humidifiers) |
| Control System | Japanese-made digital touch-panel PID microprocessor controller with SSR solid-state relays |
| Safety Protections | Leakage current protection, over-temperature cut-off, door-open alarm, low-water-level detection, real-time fault diagnostics |
| Compliance | Designed per IEC 60068-2 series environmental testing standards |
Overview
The LabCompanion LP Programmable Temperature & Humidity Environmental Test Chamber is an engineered solution for accelerated reliability testing, material stability assessment, and product qualification under dynamically controlled climatic conditions. Based on dual-loop PID control architecture and a high-efficiency vapor-compression refrigeration system coupled with a low-energy steam humidification module, the LP chamber delivers precise, repeatable, and traceable environmental profiles across wide operational ranges. Its core measurement principle relies on calibrated platinum resistance thermometers (PT100) and capacitive humidity sensors conforming to ISO 17025 traceability requirements, enabling compliance with international test standards including IEC 60068-2-1 (cold), IEC 60068-2-2 (dry heat), IEC 60068-2-30 (damp heat, cyclic), and MIL-STD-810G Method 507.5. The chamber supports both static and programmable multi-segment cycling — critical for evaluating thermal expansion coefficients, hygroscopic deformation, seal integrity, and long-term aging behavior of polymers, electronics, automotive components, and pharmaceutical packaging.
Key Features
- Programmable multi-step test sequences: Up to 30 segments per cycle, 99 cycles total — supporting complex profiles such as ramp-soak-dwell-humidity modulation with independent temperature/humidity setpoint scheduling.
- Energy-optimized steam humidification: External boiler-type system reduces electrical consumption by ~70% compared to direct-resistive humidifiers; integrated condensate recovery minimizes water replenishment frequency.
- Thermal insulation architecture: Triple-layer ultra-fine glass fiber insulation (≥150 mm total thickness), non-metallic high/low-temperature interface gaskets, and vacuum-sealed observation window reduce thermal bridging and improve chamber stability.
- Industrial-grade control hardware: Japanese-sourced touchscreen HMI with embedded PID algorithm, SSR solid-state relays (Schneider Electric & Merlin Gerin certified), and redundant safety interlocks.
- Real-time diagnostics and fault logging: Automatic detection and display of system anomalies (e.g., compressor overload, heater open-circuit, sensor drift), with timestamped event history stored in non-volatile memory.
- Structural robustness: 1.2 mm cold-rolled steel outer shell with epoxy-powder coating; SUS304 stainless steel inner chamber; reinforced door sealing with magnetic gasket and mechanical latch.
Sample Compatibility & Compliance
The LP chamber accommodates diverse sample geometries up to 1 m³ internal volume, with standardized mounting rails and optional internal shelf kits (SUS304 or epoxy-coated). It supports passive and active monitoring interfaces for integration with external data acquisition systems (RS485 Modbus RTU, optional Ethernet/IP). All thermal and humidity performance specifications meet or exceed IEC 60068-3-5:2018 verification protocols for chamber uniformity, stability, and recovery time. While not intrinsically rated for hazardous area use, its standard configuration complies with CE machinery directive (2006/42/EC), EMC directive (2014/30/EU), and RoHS 2011/65/EU. Optional validation packages include IQ/OQ documentation templates aligned with FDA 21 CFR Part 11 electronic record requirements.
Software & Data Management
The built-in controller supports local data logging (≥10,000 points) with CSV export via USB port. Optional PC-based software (LabCompanion ClimateSuite™) enables remote monitoring, real-time graphing, alarm email/SMS notification, and automated report generation (PDF/Excel) compliant with ISO/IEC 17025 clause 7.8. Audit trails record all parameter changes, user logins, and calibration events with immutable timestamps. Data encryption (AES-128) and role-based access control (admin/operator/viewer) support GxP-aligned environments. Raw sensor output (PT100, capacitive RH) is logged at 1 Hz resolution, with configurable averaging intervals to suppress transient noise without compromising fidelity.
Applications
- Electronics: Thermal cycling stress screening of PCBAs, solder joint reliability, and moisture sensitivity level (MSL) testing per J-STD-020.
- Automotive: Validation of dashboard materials, battery thermal management systems, and connector housing under combined temperature/humidity cycling.
- Pharmaceuticals: Stability testing of primary packaging (blister packs, vials) per ICH Q1A(R2); excipient compatibility studies under controlled humidity.
- Polymers & Composites: Coefficient of thermal expansion (CTE) mapping, hygroscopic swelling quantification, and long-term creep behavior under sustained damp-heat exposure.
- Aerospace: Environmental qualification of avionics enclosures per DO-160 Section 4 (temperature) and Section 5 (humidity).
FAQ
What temperature and humidity accuracy specifications are validated per IEC 60068-3-5?
Temperature uniformity is verified at ±1.0°C (95% confidence, 5-point sensor array), fluctuation at ±0.2°C (1σ over 30 min), and deviation ≤±2.0°C against reference standard PT100. Humidity uniformity is ±2.0% RH (calibrated capacitive sensor array), with fluctuation ≤±2.0% RH.
Can the LP chamber be integrated into a centralized laboratory monitoring network?
Yes — optional RS485 Modbus RTU or Ethernet/IP communication modules enable SCADA integration. LabCompanion ClimateSuite™ supports OPC UA server configuration for seamless LIMS/MES connectivity.
Is calibration certification included with shipment?
A factory-as-tested report with as-found/as-left data is provided. Full ISO/IEC 17025-accredited calibration (including uncertainty budgets) is available as an add-on service with NIST-traceable standards.
What maintenance intervals are recommended for optimal long-term performance?
Compressor oil and refrigerant inspection every 24 months; steam generator descaling every 6 months (frequency depends on local water hardness); annual verification of sensor linearity and chamber uniformity per IEC 60068-3-5 Annex B.
Does the chamber support custom test profiles required for military or aerospace qualification?
Yes — the 30-segment/99-cycle program structure fully supports MIL-STD-810G, DO-160G, and DEF STAN 00-35 environmental profiles, including rapid transition ramps, dwell stabilization, and humidity ramping synchronized with temperature changes.

