JeioTech IS-971 Benchtop Shaking Incubator

Overview

The JeioTech IS-971 is a high-performance benchtop shaking incubator engineered for precise, reproducible cultivation of microbial, mammalian, and suspension cell cultures under controlled temperature and orbital or reciprocal agitation. Designed around a dual-mode shaking mechanism and a robust thermal management system, the IS-971 operates on the principle of regulated convection heating combined with mechanical oscillation—enabling uniform heat distribution and consistent oxygen transfer across culture vessels. Its temperature control architecture integrates a Pt100 resistance thermometer with a microprocessor-driven PID algorithm, ensuring minimal thermal overshoot and long-term stability (±1.0°C overall, ±0.1°C at 38°C). The unit complies with IEC 61010-1 safety standards for laboratory equipment and is constructed to support GLP-compliant workflows in academic research labs, biopharmaceutical QC environments, and industrial fermentation development.

Key Features

• Dual shaking mode selection: factory-configured reciprocal motion (linear back-and-forth) and user-selectable orbital motion—both programmable for direction, duration, and intermittent operation.
• Custom Logical Safe (CLS) control system: a proprietary safety logic layer that monitors real-time operational parameters—including motor current, temperature deviation, door status, and timer integrity—to prevent unsafe restarts after power interruption and enforce fail-safe shutdown protocols.
• Intelligent temperature recovery function: automatically resumes pre-interruption setpoints and timing sequences upon power restoration, with configurable “resume”, “restart”, or “hold” behavior.
• Ultra-quiet, non-vibrating drive system: brushless DC motor coupled with precision-machined eccentric cam and reinforced platform assembly ensures stable operation across the full speed range (10–300 rpm, ±1 rpm accuracy) without mechanical resonance or bearing noise.
• Double-glazed observation window with pneumatic damping: minimizes thermal loss while enabling continuous visual monitoring; integrated gas-damped hinge prevents abrupt door closure and protects internal samples.
• Modular platform design: 300 × 300 mm stainless steel tray supports standardized flask clamps (50–2000 mL), funnel holders, and test tube racks—compatible with JeioTech SK-series accessories for scalable vessel configuration.

Sample Compatibility & Compliance

The IS-971 accommodates a broad spectrum of culture formats—including Erlenmeyer flasks (50–2000 mL), baffled flasks, serum bottles, and multi-well plates—via optional clamping kits. Its interior chamber (90 × 63 × 43 cm) provides unobstructed airflow and uniform thermal homogeneity per ISO 15190:2020 Annex C guidelines for incubator performance verification. All electrical components meet Class II insulation requirements, and the Incoloy 900W heating element conforms to UL 1278 and EN 61000-6-3 EMC emission limits. The unit is suitable for use in environments adhering to USP Analytical Instrument Qualification frameworks and supports IQ/OQ documentation packages upon request.

Software & Data Management

While the IS-971 operates via an intuitive membrane keypad interface with LED digital display, it supports optional RS-232/USB data logging modules (sold separately) for time-stamped recording of temperature, speed, and runtime parameters. Exported CSV files are compatible with LIMS integration and comply with FDA 21 CFR Part 11 requirements when paired with validated third-party software platforms. Audit trails—including parameter changes, door openings, and alarm events—are retained in non-volatile memory for ≥30 days and can be retrieved via serial query commands.

Applications

• Microbial growth kinetics studies (E. coli, yeast, Bacillus spp.) requiring defined aeration and thermal consistency.
• Recombinant protein expression in shake-flask bioreactors under controlled shear and mass transfer conditions.
• Cell line expansion and transfection optimization for CHO and HEK293 suspension cultures.
• Environmental microbiology assays—including BOD testing, biodegradation screening, and antibiotic susceptibility profiling.
• Enzyme activity assays where temperature-sensitive reaction rates demand sub-degree thermal fidelity over extended durations.
• Standardized media preparation and sterility validation workflows aligned with ISO 11133 and CLSI M22-A3 recommendations.

FAQ

Does the IS-971 support remote monitoring or Ethernet connectivity?
No—the base model features local-only control via front-panel interface; however, RS-232 and USB ports enable external data acquisition and script-based parameter control using host PC software.
What is the maximum flask size supported on the standard platform?
The 300 × 300 mm platform accommodates up to eight 1000 mL Erlenmeyer flasks or two 2000 mL flasks using the SK-71 clamp kit (sold separately).
Is the CLS system certified to any functional safety standard?
CLS implements layered hardware-software interlocks per IEC 61508 SIL-1 principles; formal certification is not claimed, but design documentation supports risk assessment per ISO 14971:2019.
Can the unit operate continuously for 7+ days without intervention?
Yes—designed for unattended long-term operation; the 100-hour timer is extendable via manual reset, and thermal overload protection activates only under sustained fault conditions.
Are calibration certificates available for the Pt100 sensor?
Factory calibration reports (traceable to NIST standards) are provided with each unit; on-site recalibration services are offered through JeioTech-authorized service partners.