NuAire 5700 CO₂/O₂/HEPA-Filtered Incubator

Overview

The NuAire 5700 is a high-performance, multi-gas, HEPA-filtered incubator engineered for precision cell culture under tightly controlled physiological conditions. Designed and manufactured in the United States, it integrates independent regulation of CO₂, O₂, temperature, and relative humidity within a Class ISO 5 (equivalent to Federal Standard 209E Class 100) laminar environment—achieved via a closed-loop, external HEPA filtration system that eliminates internal filter placement and preserves full 160 L working volume. Its core architecture employs NDIR (nondispersive infrared) dual-wavelength CO₂ sensing and zirconia-based electrochemical O₂ detection, enabling stable, drift-resistant gas control essential for hypoxia studies, stem cell expansion, and co-culture models requiring dynamic atmospheric modulation. The unit operates across a broad thermal envelope (ambient +5 °C to 55 °C), with certified uniformity of ±0.3 °C at 37 °C and accuracy of ±0.1 °C—validated per ASTM E122-22 and ISO 13408-2 guidelines for microbiological safety equipment.

Key Features

• External, front-accessible HEPA filtration system positioned below the chamber—ensuring uninterrupted ISO 5 air quality without compromising interior space or introducing contamination risk during filter replacement.
• 5″ × 7″ full-color touchscreen interface with embedded data logger storing up to 60 days of timestamped environmental parameters (temperature, CO₂, O₂, RH) at user-defined intervals; exportable via USB in CSV format for audit-ready traceability.
• Dual sterilization protocols: programmable 95 °C wet-heat cycle (using integrated humidification) and 145 °C dry-heat cycle—both validated to achieve ≥6-log reduction of Bacillus stearothermophilus spores per ISO 14644-3 Annex B and AAMI ST58 requirements.
• Stainless steel chamber with fully radiused corners and tempered glass inner door—facilitating visual monitoring while minimizing microbial harborage points and supporting routine cleaning with ethanol, hydrogen peroxide vapor, or quaternary ammonium compounds.
• Four standard autoclavable stainless steel shelves on full-extension ball-bearing slides; maximum configuration supports 16 shelves with optional reinforced support rails—each shelf rated for ≥15 kg load capacity.
• Integrated 3 L humidification reservoir with level sensor and auto-refill alert; RH control maintains ambient-to-90% range with calibrated accuracy of +5%/−3% across operational setpoints.

Sample Compatibility & Compliance

The NuAire 5700 accommodates standard tissue culture formats—including T-flasks (up to 225 cm²), multiwell plates (6–96-well), Petri dishes, roller bottles, and custom bioreactor inserts—without airflow obstruction. Its non-invasive HEPA architecture and absence of internal recirculation fans eliminate vibration-induced shear stress, making it suitable for sensitive primary neuronal cultures and organoid systems. The incubator complies with IEC 61010-1:2010 (safety), IEC 61326-1:2021 (EMC), and UL 61010-1. It supports GLP/GMP workflows through configurable audit trails, user access levels (admin/operator/guest), and optional 21 CFR Part 11-compliant software modules for electronic signatures and change control documentation.

Software & Data Management

Data logging occurs continuously at 1-minute intervals by default, with storage retained onboard for ≥60 days. Logged parameters include chamber temperature, CO₂ partial pressure (vol%), O₂ concentration (vol%), RH (%), door-open events, sterilization cycle logs, and alarm history. All records are time-stamped with UTC-synced real-time clock and include operator ID where authenticated. Export is supported via USB 2.0 port in comma-separated values (CSV) format compatible with LIMS integration (e.g., LabVantage, Thermo Fisher SampleManager). Optional NuAire Connect™ software enables remote monitoring, email/SMS alerts for out-of-specification excursions, and trend analysis using built-in statistical process control (SPC) tools aligned with ISO 9001:2015 clause 8.5.1.

Applications

• Hypoxia research (O₂-controlled modeling of tumor microenvironments, ischemic preconditioning, and HIF pathway activation)
• Stem cell maintenance and differentiation under physiologically relevant gas tensions
• Long-term co-culture experiments requiring simultaneous CO₂/O₂/humidity stability
• Regulatory-compliant bioproduction of ATMPs (Advanced Therapy Medicinal Products) per EMA CAT/801837/2018
• Microbiological work with fastidious organisms (e.g., Helicobacter pylori, Campylobacter jejuni) requiring microaerophilic or capnophilic conditions
• IVF laboratory embryo culture under low-O₂ (5%) atmospheres to reduce oxidative stress

FAQ

Does the 5700 support validation documentation packages for IQ/OQ/PQ?
Yes—NuAire provides standardized qualification templates (including test protocols, acceptance criteria, and blank execution records) aligned with ASTM E2500-22 and EU Annex 15. Factory-applied calibration certificates for all sensors are included.

Can the HEPA filter be replaced without opening the chamber?
Yes—the filter housing is externally accessible from the front lower panel, allowing full replacement while maintaining chamber integrity and sterility.

Is the O₂ control system capable of true anaerobic operation (≤0.1%)?
No—the minimum O₂ setpoint is 0.5% v/v. For sub-0.5% applications, integration with an external nitrogen generator or glove box interface is recommended.

What is the mean time between failures (MTBF) for the CO₂ sensor?
Based on accelerated life testing and field data, the dual-wavelength NDIR sensor demonstrates MTBF > 30,000 hours under continuous operation at 5% CO₂, 37 °C, and 95% RH.

Are third-party calibration services supported?
Yes—NuAire-certified service partners globally offer on-site sensor recalibration traceable to NIST standards, with full calibration reports issued per ISO/IEC 17025 requirements.