Shumei KQ-300GVDV Dual-Frequency Temperature-Controlled Ultrasonic Cleaner

Overview

The Shumei KQ-300GVDV Dual-Frequency Temperature-Controlled Ultrasonic Cleaner is an engineered solution for precision cleaning of delicate laboratory components, optical elements, semiconductor wafers, medical instruments, and analytical sample preparation vessels. It operates on the principle of cavitation-induced mechanical agitation, generated by high-frequency acoustic waves transmitted through a liquid medium. The dual-frequency transducer array—capable of alternating between 45 kHz and 80 kHz—enables selective optimization of cleaning intensity and particle removal efficiency: lower frequencies (45 kHz) deliver higher cavitation energy for robust contaminant dislodgement, while higher frequencies (80 kHz) provide finer micro-cavitation suitable for fragile substrates and sub-micron residue removal. Integrated temperature control (0–80 °C) enhances solvent activity and accelerates dissolution of organic residues, while the microprocessor-controlled digital interface ensures repeatable parameter execution across multiple cleaning cycles—critical for GLP-compliant workflows and inter-laboratory method transfer.

Key Features

• Dual-frequency ultrasonic generation (45 kHz / 80 kHz) with programmable switching intervals (1–999 s), enabling adaptive cleaning strategies for heterogeneous sample loads.
• 300 W total ultrasonic power output, continuously adjustable from 40% to 100%, permitting fine-tuned energy delivery without risk of sample erosion or pitting.
• Precision temperature regulation via 500 W heating element, maintaining ±1 °C stability across the full 0–80 °C range; optional 350 W cooling module supports thermally sensitive applications.
• Microprocessor-based digital controller with non-volatile memory for storing up to 10 user-defined cleaning protocols—including time, power, temperature, frequency mode, and switching interval.
• 304 stainless steel tank (300 × 240 × 180 mm internal dimensions) with seamless welds and electropolished finish to resist corrosion and facilitate decontamination validation.
• Integrated safety architecture: real-time monitoring of water level (80–130 mm display), over-temperature, over-voltage, over-current, and dry-run conditions—with automatic shutdown and visual alarm indication.
• Acoustically insulated lid with sealing gasket reduces ambient noise to <55 dB(A) at 1 m distance and minimizes heat loss during heated operation.
• Electrically actuated inlet and outlet valves enable automated fill-and-drain sequences, supporting unattended batch processing in regulated environments.

Sample Compatibility & Compliance

The KQ-300GVDV accommodates standard laboratory ware including glassware (vials, cuvettes, pipette tips), metal components (syringe needles, surgical tools), ceramic substrates, and polymer-based microfluidic devices. Its low-frequency capability supports removal of particulates, oxides, and dried biological films, while high-frequency mode addresses surfactant-resistant organics and nano-scale contaminants. The unit complies with IEC 61000-6-3 (EMC emissions) and IEC 61000-6-2 (immunity), and its construction meets ISO 13485-aligned manufacturing practices for medical device cleaning equipment. Though not certified for sterile reprocessing per ISO 17664 or AAMI ST79, it serves as a validated pre-sterilization cleaning step when operated under documented SOPs aligned with FDA 21 CFR Part 820 and EU MDR Annex I requirements.

Software & Data Management

The embedded firmware supports audit-ready operation through timestamped parameter logging (start/stop time, setpoints, fault events) stored in internal memory. While no external PC software is bundled, the system exports operational data via RS-232 serial interface (optional USB-to-serial adapter) for integration into LIMS or electronic lab notebook (ELN) platforms. All parameter changes—including frequency selection, power ramping, and thermal setpoint adjustments—are recorded with operator ID fields (via optional RFID badge reader integration), satisfying ALCOA+ data integrity principles required under FDA 21 CFR Part 11 and EU Annex 11 for computerized systems.

Applications

• Pre-analytical sample preparation: cleaning HPLC vials, GC autosampler trays, and ICP-MS nebulizer components to eliminate trace metal carryover.
• Microelectronics: wafer-level cleaning prior to photolithography and bonding processes.
• Pharmaceutical QC labs: decontamination of tablet punches, capsule fillers, and dissolution apparatus parts in accordance with USP <1051> guidelines.
• Research microscopy: removal of immersion oil residues from objective lenses and coverslips without surface scratching.
• Environmental testing: extraction vessel cleaning for PFAS, PCB, and pesticide residue analysis to prevent cross-contamination.
• Biotechnology: sanitization of cell culture flasks, bioreactor sensors, and filtration housings prior to steam-in-place (SIP) cycles.

FAQ

Is the KQ-300GVDV compliant with FDA 21 CFR Part 11 for electronic records?
Yes—the system supports electronic signature-capable data export via serial interface and maintains immutable audit trails of all parameter modifications and operational events when integrated with validated third-party LIMS software.
Can the unit operate continuously for extended durations?
It is rated for continuous duty up to 480 minutes per cycle; however, for >24-hour unattended operation, periodic maintenance checks (transducer coupling integrity, coolant level if equipped) are recommended per the manufacturer’s preventive maintenance schedule.
What cleaning solvents are compatible with the 45/80 kHz dual-frequency mode?
Aqueous alkaline, neutral, and mildly acidic solutions; ethanol, isopropanol, and acetone (with ventilation); and fluorinated solvents such as Vertrel XF—provided flash points exceed operating temperature and vapor concentration remains below OSHA PEL thresholds.
Does the system support IQ/OQ documentation packages?
Shumei provides factory-issued calibration certificates for temperature and timer accuracy; full IQ/OQ protocol templates are available upon request for integration into site-specific validation master plans.
How is frequency switching synchronized with temperature and power parameters?
All parameters—including frequency selection, power output, and thermal setpoint—are executed synchronously within a single control loop, ensuring phase-coherent transitions without transient overshoot or cavitation collapse during mode switching.