IKA KS4000i Control / KS4000ic Control Temperature-Controlled Orbital Shaker

Overview

The IKA KS4000i Control and KS4000ic Control are precision-engineered orbital shakers designed for demanding life science and bioprocessing applications requiring simultaneous temperature control and reproducible agitation. Built on IKA’s legacy of German engineering, these instruments operate on the principle of controlled orbital motion—generating uniform, low-shear mixing ideal for cell culture, microbial growth, solubility studies, and immunoassay preparation. The KS4000ic variant extends functionality with integrated cooling capability via an optional external chiller connection (e.g., IKA KV600), enabling sub-ambient operation down to room temperature minus 10 °C. Both models feature dual PT1000 resistance thermometers and a closed-loop PID temperature controller, ensuring high thermal fidelity across the full operating range (RT +5 °C to 80 °C). The system is engineered for unattended, long-duration operation—validated for continuous duty cycles up to 100 % load—and incorporates multiple hardware-level safety interlocks including automatic motor shutdown upon lid opening and excessive oscillation detection.

Key Features

• Orbital motion with 20 mm orbit diameter ensures gentle yet effective homogenization for sensitive biological samples.
• Dual PT1000 temperature sensors coupled with adaptive PID algorithm deliver ±0.1 K thermal stability under standardized conditions (0.2 L water, 37 °C setpoint, 25 °C ambient).
• Full-range speed control from 10 to 500 rpm with LED-displayed real-time feedback and 1-rpm resolution.
• Extended timer functionality supports durations from 1 minute to 999 hours, programmable in either minutes or hours via intuitive front-panel interface.
• Antimicrobial coating on the control panel inhibits microbial colonization—critical for shared lab environments and GLP-compliant workflows.
• Integrated drain port at rear facilitates rapid cleanup of spills; removable collection tray minimizes cross-contamination risk.
• RS232 serial interface enables bidirectional communication with lab management systems and supports remote parameter configuration and data logging.
• Robust mechanical architecture rated for continuous operation with up to 20 kg total payload—including flasks, bottles, or multi-well plates mounted via optional clamps.

Sample Compatibility & Compliance

The KS4000i/ics accommodate standard laboratory vessels ranging from 50 mL centrifuge tubes to 5 L Erlenmeyer flasks, provided appropriate IKA-certified clamps (sold separately) are used. The platform meets DIN EN 60529 IP30 ingress protection requirements, confirming suitability for dry, non-dusty indoor laboratory settings. All electrical components comply with IEC 61010-1 safety standards for laboratory equipment. For regulated environments, the instrument supports audit-ready operation when paired with labworldsoft®: timestamped parameter logs, user-access controls, and electronic signatures align with FDA 21 CFR Part 11 expectations for electronic records and signatures. While not inherently GMP-certified, its design—particularly the traceable thermal and rotational performance, deterministic shutdown logic, and hardware-enforced safety limits—facilitates qualification under ISO 13485 or EU Annex 11 frameworks for biopharmaceutical process development.

Software & Data Management

IKA labworldsoft® serves as the primary software interface for advanced control, monitoring, and documentation. Through this Windows-based application, users can configure multi-step protocols (e.g., ramp-and-hold temperature profiles synchronized with variable-speed shaking), initiate remote start/stop commands, and export time-stamped datasets—including speed, temperature, elapsed time, and error codes—to CSV or PDF formats. The software maintains a local audit trail with user ID tagging and modification timestamps, satisfying basic ALCOA+ data integrity principles. Raw RS232 output is also accessible for integration into custom LIMS or MES platforms via ASCII protocol documentation supplied by IKA. No cloud connectivity or proprietary firmware updates are required; all configurations remain locally stored unless explicitly exported.

Applications

These shakers are routinely deployed in upstream bioprocess development (e.g., seed train expansion in shake flasks), molecular biology workflows (plasmid amplification, protein expression in liquid culture), clinical microbiology (antibiotic susceptibility testing media preparation), and quality control laboratories performing dissolution or extraction kinetics. Their stable thermal environment and precise speed regulation make them suitable for enzyme kinetics assays where reaction rate is highly dependent on both temperature and mixing efficiency. In academic research, they support reproducible aerobic fermentation studies and standardized biofilm formation assays under controlled shear stress.

FAQ

Can the KS4000ic operate below ambient temperature without an external chiller?
No—the KS4000ic requires connection to a compatible external refrigerated circulator (e.g., IKA KV600) to achieve sub-ambient temperatures. The unit itself contains no compressor or Peltier elements.
Is labworldsoft® included with purchase, or must it be licensed separately?
labworldsoft® is provided free of charge with all KS4000i/ic units and includes full functionality for device control and data export; no subscription or activation fee applies.
What clamp options are available, and how are they validated for use?
IKA offers a full catalog of autoclavable stainless-steel and polymer clamps—including universal flask holders, microplate adapters, and tube racks—all mechanically tested for resonance-free operation at maximum speed and load. Each clamp carries a unique part number and is listed in the official KS4000 compatibility matrix.
Does the instrument support password-protected access control?
Yes—labworldsoft® allows creation of role-based user accounts with configurable permissions (e.g., operator vs. administrator), though local panel access remains unrestricted unless physically secured by lab policy.
How is thermal calibration verified during IQ/OQ protocols?
IKA supplies a factory calibration certificate traceable to national standards; users may perform field verification using a NIST-traceable PT100 probe inserted into the chamber—procedures are detailed in the IQ/OQ support package available upon request.