Thermo Fisher Heraeus BK 6160 Environmental Test Chamber
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Model | BK 6160 |
| Capacity | 166 L |
| Temperature Range | 0 °C to 50 °C |
| Humidity Range | Up to 90% RH (with optional humidity pan) |
| Construction | Seamless stainless-steel interior with radius corners |
| Cooling/Heating System | External jacketed water bath with external air mixing and recirculation |
| Control System | Programmable temperature controller with ramp-soak and day/night light cycle simulation capability |
| Compliance | Designed for ISO 17025-compliant environmental testing labs |
Overview
The Thermo Fisher Heraeus BK 6160 Environmental Test Chamber is an engineered solution for accelerated stability testing, packaging validation, and shelf-life assessment in pharmaceutical, biotechnology, and medical device development. Unlike conventional incubators optimized for cell culture, the BK 6160 operates on a jacketed water-bath thermal management principle—where heating and cooling elements reside externally and beneath the chamber, circulating conditioned air through an insulated water jacket before delivery into the working volume. This architecture minimizes internal thermal gradients and eliminates direct airflow impingement on samples, ensuring spatial temperature uniformity ≤ ±0.5 °C across the full 166 L working volume (per ICH Q1A–Q1E and ASTM E2803–21 verification protocols). Its non-dehumidifying design—combined with an optional stainless-steel humidity pan—enables stable high-humidity operation up to 90% RH at temperatures ≥25 °C, critical for hygroscopic product evaluation under real-world storage conditions.
Key Features
- 166-liter stainless-steel chamber with fully welded, radius-corner construction for seamless cleaning and compliance with cGMP facility hygiene standards
- External thermal jacket system with independent heating/cooling circuits, reducing internal condensation risk and enhancing long-term calibration stability
- Programmable controller supporting multi-step temperature profiles (ramp, soak, cycling), including configurable light/dark cycles via integrated LED illumination modules
- No active dehumidification—preserves ambient moisture content during low-temperature holds, preventing sample desiccation artifacts common in compressor-based chambers
- Front-access door with magnetic gasket seal and double-glazed viewing window for real-time monitoring without thermal disturbance
- RS485 interface and optional Ethernet module for integration into centralized environmental monitoring systems (EMS) compliant with FDA 21 CFR Part 11 requirements
Sample Compatibility & Compliance
The BK 6160 accommodates standard ISO/IEC 17025-accredited stability protocols—including ICH Q1A(R3), Q5C, and USP —for pharmaceutical primary and secondary packaging. Its uniform thermal field and passive humidity retention make it suitable for testing blister packs, vials, syringes, diagnostic reagents, and polymer-based medical devices. The absence of internal fans or direct refrigerant coils prevents vibration transmission and localized cold spots, preserving integrity of sensitive biological formulations and lyophilized products. All materials contacting the chamber interior meet USP Class VI biocompatibility requirements, and the unit can be qualified per IQ/OQ/PQ protocols using NIST-traceable sensors.
Software & Data Management
The embedded controller logs temperature, humidity (when equipped), and light-cycle status at user-defined intervals (1–60 min), storing ≥30 days of data onboard. Export is supported via USB flash drive in CSV format for traceability. Optional Thermo Fisher Chronolog™ software enables remote monitoring, alarm escalation (email/SMS), electronic signature capture, and audit trail generation meeting ALCOA+ principles. Data files include timestamps, operator ID, and instrument serial number—fully compatible with LIMS and electronic lab notebook (ELN) platforms used in regulated QC/QA environments.
Applications
- ICH-compliant long-term and accelerated stability studies (25 °C/60% RH, 30 °C/65% RH, 40 °C/75% RH)
- Accelerated aging of sterile barrier systems per ISO 11607–1 and ASTM F1980
- Real-time shelf-life modeling for biologics, vaccines, and mRNA therapeutics
- Humidity-sensitive excipient compatibility screening (e.g., lactose monohydrate, microcrystalline cellulose)
- Environmental stress testing of point-of-care diagnostics and biosensors
- Validation of cold-chain packaging performance under controlled ambient transitions
FAQ
Does the BK 6160 support humidity control below 25 °C?
No—due to its passive humidity retention design, stable RH >60% is only achievable at setpoints ≥25 °C. For sub-ambient humidity control, a dedicated humidity-controlled chamber with active desiccant or refrigerant-based dehumidification is recommended.
Can the BK 6160 be qualified for GMP use?
Yes—the chamber’s mechanical design, sensor architecture, and data logging capabilities support full IQ/OQ/PQ execution per Annex 15 and EU GMP guidelines when paired with certified calibration equipment and documented procedures.
Is the stainless-steel interior electropolished?
The interior features a #4 brushed finish stainless steel (AISI 304); electropolishing is available as a factory option for enhanced corrosion resistance in high-salinity or aggressive chemical exposure scenarios.
What power supply requirements apply?
The BK 6160 operates on 208–240 VAC, 50/60 Hz, single-phase, with a maximum draw of 2.8 kW. A dedicated 20 A circuit with grounded outlet is required for stable operation.
How is temperature uniformity verified during qualification?
Per ASTM E2803–21, nine calibrated PT100 sensors are placed in a 3×3 grid at working volume center height; deviations must remain within ±0.5 °C over 30 minutes after stabilization at any setpoint between 5 °C and 45 °C.
