Labonce Labonce-1000CH-2T Temperature and Humidity Controlled Environmental Test Chamber

Overview

The Labonce Labonce-1000CH-2T is a high-capacity, dual-door temperature and humidity controlled environmental test chamber engineered for long-term stability, spatial uniformity, and regulatory-compliant operation in quality assurance, materials science, and product reliability testing environments. It operates on the principle of forced-air convection with a fully optimized air distribution system to ensure consistent thermal and hygroscopic conditions across the entire 1000 L working volume. Designed in strict accordance with GB/T 10586–2006 “Technical Requirements for Damp Heat Test Chambers”, the chamber delivers traceable performance under defined ambient conditions (5–35 °C ambient temperature), making it suitable for standardized environmental stress screening, accelerated aging studies, and storage condition validation per ICH Q1A(R2), ISO 188, ASTM D3574, and related stability protocols.

Key Features

• Forced-air circulation system with symmetrically distributed ducts and low-turbulence diffusers ensures temperature uniformity ≤2.0 °C and humidity uniformity ≤3 %RH across the full internal cavity.
• High-density polyurethane insulation (≥100 mm thickness) minimizes thermal bridging and moisture migration, maintaining energy efficiency and reducing condensation risk during low-humidity operation.
• Interior constructed from electropolished AISI 304 stainless steel—non-porous, corrosion-resistant, and compliant with cleanroom-grade hygiene requirements for pharmaceutical and biomedical applications.
• Imported hermetic refrigeration unit with optimized refrigerant circuitry provides stable cooling down to 15 °C at 95 %RH while maintaining acoustic output below 62 dB(A) at 1 m distance.
• Capacitive humidity sensor (certified to ±1.5 %RH accuracy at 25 °C/50 %RH, drift <0.5 %RH/year) enables long-term unattended operation without recalibration intervals.
• Programmable 7-inch TFT color touchscreen controller supports up to 100 programmable segments, real-time trend graphs, and audit-trail-enabled data logging (timestamped, user-ID tagged).
• Dual independent safety systems: hardware-based overtemperature cut-off (separate from main controller) and dry-bulb heater protection prevent thermal runaway during sensor failure or maintenance error.

Sample Compatibility & Compliance

The Labonce-1000CH-2T accommodates large-format samples including packaged pharmaceuticals, automotive components, printed circuit boards, polymer composites, and agricultural seed batches. Its 1400 mm width and 1400 mm height permit vertical orientation of tall assemblies, while four adjustable 304 stainless steel shelves (load capacity: 25 kg/shelf) support flexible load configurations. The chamber meets structural and performance criteria outlined in GB/T 10586–2006 and serves as a validated platform for test methods referenced in ISO 4892-2 (plastics exposure), IEC 60068-2-30 (damp heat cycling), and MIL-STD-810G Method 507.4. Optional printer interface enables direct hardcopy generation of test logs for GLP/GMP documentation workflows.

Software & Data Management

Data integrity is ensured through embedded controller firmware supporting CSV export via USB 2.0 port—with time-stamped, encrypted log files containing temperature, humidity, setpoint, alarm status, and user action records. The system maintains a local history buffer (≥30 days at 1-minute sampling interval) and allows manual or scheduled export to external drives. While no cloud connectivity is built-in, exported datasets are compatible with common LIMS platforms (e.g., LabWare, Thermo Fisher SampleManager) and statistical process control tools (Minitab, JMP). Audit trail functionality complies with FDA 21 CFR Part 11 requirements when deployed with appropriate organizational SOPs and electronic signature controls.

Applications

• Stability testing of drug substances and products per ICH Q5C guidelines under long-term (25 °C/60 %RH) and accelerated (40 °C/75 %RH) conditions.
• Environmental stress screening (ESS) of electronic assemblies prior to HALT/HASS qualification.
• Moisture absorption/desorption kinetics studies for hygroscopic polymers and composite laminates.
• Storage condition verification for diagnostic reagents, vaccines, and biologics requiring controlled RH exposure.
• Accelerated corrosion testing of coated metals per ASTM B117 when integrated with optional salt spray modules (not included).
• Pre-conditioning of test specimens prior to mechanical, electrical, or optical characterization per ISO 291 and ASTM D618.

FAQ

What is the maximum allowable ambient temperature for continuous operation?
The chamber is rated for uninterrupted use at ambient temperatures between +5 °C and +35 °C. Operation outside this range may compromise humidity control accuracy and compressor service life.
Can the controller be calibrated in-house?
Yes—the touchscreen interface includes a two-point calibration routine for both temperature and humidity sensors using NIST-traceable reference standards. Calibration certificates are issued upon request.
Is remote monitoring supported?
The standard configuration does not include Ethernet or RS485 communication ports; however, optional analog 4–20 mA outputs (for T/RH) and digital dry-contact alarm relays are available for integration into building management systems (BMS).
What is the warranty coverage?
Labonce provides a 24-month limited warranty covering parts and labor for defects in materials and workmanship, excluding consumables, misuse, or unauthorized modifications.
Are validation documents provided with shipment?
IQ/OQ documentation templates compliant with ISO 13485 and GMP Annex 15 are supplied. Full factory SAT (Site Acceptance Testing) support and third-party UKAS-accredited calibration services can be arranged separately.