IKA C-MAG MS 4 Magnetic Stirrer

Overview

The IKA C-MAG MS 4 is a compact, analog-controlled magnetic stirrer engineered for precision and reliability in routine laboratory mixing applications. Designed without integrated heating functionality, it operates exclusively on magnetic coupling principles—utilizing a rotating permanent magnet beneath a chemically inert ceramic plate to drive PTFE- or glass-coated magnetic stirring bars within vessels. Its core architecture follows the Couette flow principle, where rotational torque is transmitted via magnetic field interaction to induce laminar fluid motion in low-to-medium viscosity samples. This configuration ensures stable, vibration-minimized agitation ideal for sensitive preparations—including buffer equilibration, reagent dissolution, and sample homogenization—where thermal stability or temperature control is not required. The device complies with IEC 61010-1 safety standards for laboratory electrical equipment and conforms to electromagnetic compatibility (EMC) requirements per EN 61326-1.

Key Features

• Ceramic Working Surface: A monolithic, seamless 100 × 100 mm ceramic plate offers exceptional resistance to acids, alkalis, solvents, and thermal shock—ensuring long-term integrity in aggressive chemical environments.
• Analog Speed Control: A calibrated 0–6 dial provides intuitive, repeatable speed selection across a verified range of 100–1500 rpm, optimized for consistent vortex formation and suspension maintenance in volumes up to 5 L of aqueous media.
• High-Performance Magnet Assembly: A robust neodymium-based magnetic drive system delivers strong coupling force, minimizing “jumping” of stir bars even under high-viscosity conditions or during extended operation.
• Ergonomic Panel Design: Elevated control interface reduces risk of liquid ingress during wet-lab workflows while improving visibility and tactile access to the speed dial.
• Stable Mechanical Architecture: Low center-of-gravity housing (150 × 105 × 260 mm; 3 kg) and anti-slip rubber feet ensure operational stability on benchtops, mitigating displacement during vigorous stirring cycles.
• Energy-Efficient Operation: Rated at 30 W input power with only 1.5 W delivered to the motor—optimized for continuous unattended use without excessive heat generation or energy waste.

Sample Compatibility & Compliance

The C-MAG MS 4 accommodates standard laboratory glassware (e.g., beakers, Erlenmeyer flasks, cylinders) with diameters ≤100 mm. It supports stirring bar lengths from 20 mm to 50 mm and is compatible with both PTFE- and glass-coated stir bars. The unit meets DIN EN 60529 IP21 rating for protection against vertically falling drips and solid objects ≥12.5 mm, making it suitable for general-purpose labs operating within 5–40 °C ambient temperature and ≤80 % relative humidity. While not certified for cleanroom or explosion-proof environments, its non-heating design eliminates fire hazard concerns associated with hotplate-stirrers—supporting compliance with institutional safety protocols governing solvent-based operations.

Software & Data Management

As an analog-only instrument, the C-MAG MS 4 does not incorporate digital interfaces, firmware, or data logging capabilities. Its operation requires no software installation, driver configuration, or network connectivity—reducing validation burden in regulated environments. This absence of electronic data generation means no 21 CFR Part 11 audit trail, electronic signature, or metadata capture is applicable; however, its mechanical simplicity supports straightforward IQ/OQ documentation per GLP and ISO/IEC 17025 frameworks. Users may integrate external timers or video-based process monitoring where traceability of stirring duration is required.

Applications

• Preparation of standard solutions, buffers, and culture media in microbiology and molecular biology labs
• Homogenization of suspensions prior to filtration or centrifugation in quality control laboratories
• Mixing of reagents in analytical chemistry workflows where thermal input would compromise assay integrity
• Stirring during titration setup or pH adjustment procedures requiring steady, non-turbulent agitation
• Supporting dissolution testing in pharmaceutical development when paired with non-heated vessel configurations
• General-purpose agitation in teaching laboratories due to its intuitive operation and durable construction

FAQ

Does the C-MAG MS 4 include a heating function?
No. It is a magnetic stirrer only, with no integrated hotplate or temperature control capability.
What is the maximum recommended vessel diameter?
Vessels with base diameters up to 100 mm are optimal for uniform magnetic coupling and vortex stability.
Can this unit operate continuously for extended periods?
Yes—its thermally efficient motor and passive cooling design support uninterrupted operation under nominal load conditions.
Is the ceramic plate resistant to hydrofluoric acid (HF)?
No. While highly resistant to most common laboratory chemicals, standard alumina-based ceramic plates are not HF-compatible; alternative PTFE-coated or quartz platforms are recommended for HF handling.
What safety certifications does the device hold?
It complies with IEC 61010-1 (Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use) and EN 61326-1 (EMC for Laboratory Equipment).