WIGGENS WB3000-M Overhead Stirrer

Overview

The WIGGENS WB3000-M Overhead Stirrer is an industrial-grade, microprocessor-controlled laboratory stirring system engineered for precision, long-term reliability, and operational safety in demanding R&D and quality control environments. Designed according to the fundamental principles of torque-controlled mechanical agitation, it delivers consistent rotational energy transfer to viscous and heterogeneous samples via a vertically mounted drive shaft—eliminating magnetic coupling limitations and enabling direct mechanical coupling with high-inertia or high-viscosity media. Its brushless DC motor architecture ensures zero carbon dust generation, thermal stability under continuous duty cycles, and minimal maintenance across extended operational lifetimes—critical for GLP-compliant labs where instrument uptime and data traceability are non-negotiable. The unit operates within a validated speed range of 70–3000 rpm, maintaining ±3% accuracy above 300 rpm through closed-loop tachometric feedback, and supports mixing volumes up to 50 L of aqueous systems—making it suitable for scale-up trials, formulation development, and batch homogenization tasks in pharmaceutical, chemical, and materials science laboratories.

Key Features

• Brushless DC motor with integrated thermal and current monitoring—designed for uninterrupted 24/7 operation under high-load conditions
• Hollow-axis design (10.2 mm internal diameter) allows full-length insertion of stir rods without height adjustment; simplifies setup for tall vessels or jacketed reactors
• Self-locking, tool-free chuck with 0.5–10 mm clamping range and high concentricity (<0.05 mm runout), ensuring vibration-free rotation even at maximum speed
• Glove-compatible large-diameter analog speed control knob with tactile feedback and visual LED confirmation of setpoint
• High-brightness LED display with 1-rpm resolution—optimized for readability at distances ≥2 m and under standard lab lighting conditions
• Three-color status LED system (blue = standby, green = active, red = fault) provides immediate operational awareness without interface interaction
• Soft-start functionality at low speeds minimizes splashing and mechanical shock during initiation—enhancing operator safety and sample integrity
• Integrated electronic overload protection triggers automatic shutdown upon torque exceedance (>70 N·cm), preventing motor stall and drive train damage

Sample Compatibility & Compliance

The WB3000-M accommodates a broad spectrum of sample types—from low-viscosity solvents to shear-thinning polymer solutions (up to 50,000 mPa·s)—and supports compatibility with common laboratory vessel geometries (cylindrical, conical, jacketed) via interchangeable impeller mounts and universal support rods. Its corrosion-resistant housing meets IP20 environmental rating standards for indoor laboratory use, and surface treatment complies with ISO 9227 neutral salt spray testing protocols for long-term resistance to chemical exposure. While not certified as intrinsically safe, the unit conforms to IEC 61010-1:2010 for electrical safety in laboratory equipment and supports audit-ready operation when paired with validated software workflows. Optional lock-screen functionality enables user-access restriction per SOP-defined roles—supporting alignment with FDA 21 CFR Part 11 requirements for electronic records in regulated environments.

Software & Data Management

Equipped with an RS485 serial interface compliant with EIA/TIA-485-A physical layer specifications, the WB3000-M enables bidirectional communication with external controllers, SCADA systems, or custom LabVIEW/Python-based acquisition platforms. It supports ASCII-based command protocols for remote speed setpoint adjustment, real-time RPM readback, status polling, and alarm logging—facilitating integration into automated reactor control loops or centralized lab equipment management systems. When connected to WIGGENS IoT-enabled gateways (sold separately), the device transmits timestamped operational metadata—including cumulative runtime, peak torque events, and thermal history—to cloud-hosted dashboards for predictive maintenance analytics. All data exchanges adhere to IEEE 802.3 Ethernet encapsulation standards when routed through compatible network bridges, ensuring interoperability with existing IT infrastructure.

Applications

• Pharmaceutical: Suspension homogenization, API crystallization seeding, buffer preparation in stainless-steel bioreactor vessels
• Chemical R&D: Polymerization reaction mixing, catalyst dispersion in viscous monomer systems, emulsion stabilization trials
• Materials Science: Ceramic slurry deagglomeration, nanoparticle suspension uniformity validation, battery electrolyte blending
• Food & Beverage: Viscosity profiling of dairy formulations, starch gelatinization kinetics, flavor oil dispersion in aqueous bases
• Academic Research: Teaching labs requiring robust, intuitive stirring platforms for undergraduate chemistry and chemical engineering curricula

FAQ

What is the maximum viscosity the WB3000-M can handle?
It is rated for continuous operation with media up to 50,000 mPa·s under standard ambient conditions (23 °C, 50% RH) and proper impeller selection.
Can the stirrer be integrated into a PLC-controlled process line?
Yes—the RS485 interface supports Modbus RTU protocol implementation via third-party protocol converters or native driver libraries.
Is calibration required before first use?
No factory calibration is needed; however, users should verify speed accuracy using a traceable tachometer during IQ/OQ qualification per ISO/IEC 17025 guidelines.
Does the unit support temperature feedback from external probes?
The WB3000-M does not include built-in temperature input channels, but external PT100 or thermocouple signals can be logged in parallel via connected DAQ systems using synchronized timestamps.
What safety certifications does the WB3000-M hold?
It complies with IEC 61010-1:2010 (Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use) and carries CE marking for the European Economic Area.