Shumei KQ-2200B.E.V / KQ-3200B.E.V / KQ-5200B Ultrasonic Cleaner

Overview

The Shumei KQ-2200B.E.V, KQ-3200B.E.V, and KQ-5200B series are benchtop ultrasonic cleaners engineered for precision laboratory cleaning, degassing, and sample preparation. These units operate on the principle of high-frequency acoustic cavitation—generating controlled micro-bubbles in aqueous or mild solvent-based cleaning solutions that collapse with localized energy release, effectively dislodging particulate contaminants, organic residues, and biofilms from delicate instrumentation, glassware, surgical tools, and microcomponents. Designed for consistent performance across routine QC labs, academic research facilities, and R&D environments, each model integrates a robust stainless-steel tank, piezoelectric transducers mounted directly to the tank bottom (ensuring efficient energy coupling), and a thermally stable heating system calibrated for reproducible temperature control.

Key Features

• Stainless-steel tank construction (SUS304) with seamless welding and polished interior surface—resistant to corrosion, easy to clean, and compliant with ISO 15195 and CLSI EP29-A standards for laboratory equipment durability.
• Fixed-frequency 40 kHz ultrasonic generation with uniform energy distribution across the tank volume—optimized for general-purpose cleaning of metals, ceramics, plastics, and optical components without surface pitting or erosion.
• Adjustable digital timer (1–20 minutes) with automatic shutdown—enabling repeatable exposure durations essential for method validation under GLP and ISO/IEC 17025 frameworks.
• Independent temperature regulation (0–80 °C) via PID-controlled heating element—supports temperature-sensitive applications such as enzyme deactivation, low-viscosity solvent activation, or gentle removal of proteinaceous residues.
• Integrated sound-dampening lid—reduces ambient noise to ≤55 dB(A) at 1 m distance, meeting OSHA 29 CFR 1910.95 occupational noise exposure guidelines.
• Front-panel mechanical controls (KQ-B.E.V variants) with tactile feedback—designed for glove-compatible operation in controlled environments where touchscreens may be impractical or contamination-prone.

Sample Compatibility & Compliance

These cleaners accommodate standard laboratory vessels including beakers, flasks, Petri dishes, pipette tips, microcentrifuge tubes, and small-scale chromatography columns. The tank dimensions (e.g., 230 × 140 × 100 mm for KQ-2200B.E.V) support immersion of up to 50 mL cuvettes or 100 mm Petri dishes without overflow. All models comply with IEC 61000-6-3 (EMC emission limits) and IEC 61010-1 (safety requirements for electrical equipment used in laboratory settings). While not certified for sterile processing per ISO 13485 or AAMI ST79, they are routinely deployed in pre-sterilization cleaning workflows aligned with FDA 21 CFR Part 820 and USP guidance on cleaning validation. No internal recirculation or filtration is provided; users must implement external solution replacement protocols per SOP-defined intervals.

Software & Data Management

The KQ-B.E.V series operates without embedded firmware or network connectivity—deliberately designed for operational simplicity and long-term reliability in regulated environments where software updates, cybersecurity vulnerabilities, or audit trail complexity are undesirable. Temperature and time settings are recorded manually in lab notebooks or electronic batch records (EBRs) per 21 CFR Part 11-compliant systems. For laboratories requiring automated documentation, integration with external data loggers (e.g., Omega OM-DAQPRO-5300) via analog voltage output (0–5 V) is supported through optional accessory ports on select distributor-configured units. Calibration certificates for temperature sensors (±1.0 °C accuracy) and timer circuits (±0.5% deviation) are available upon request for IQ/OQ documentation packages.

Applications

• Cleaning of HPLC injection valves, GC liners, and mass spectrometry source components prior to maintenance.
• Degassing of mobile phase solvents and buffer solutions to prevent pump cavitation and baseline drift.
• Removal of solder flux residues from PCB substrates during electronics failure analysis.
• Disaggregation of aggregated nanoparticles and colloidal suspensions for DLS or TEM sample prep.
• Cell lysis optimization in microbiology workflows using non-denaturing buffers (e.g., Tris-EDTA).
• Preparation of reference standards for atomic absorption spectroscopy by eliminating adsorbed metal contaminants from volumetric glassware.

FAQ

What is the recommended cleaning solution for routine use?
Aqueous alkaline detergents (e.g., Alconox® Liquinox®) or low-foaming ethanol/water mixtures (70:30 v/v) are validated for most applications. Avoid chlorinated solvents or strong acids unless compatibility with SUS304 and transducer encapsulation has been confirmed.
Can these units be used for sterilization?
No. Ultrasonic cleaning removes bioburden but does not achieve sterility assurance levels (SAL ≤10⁻⁶). Post-cleaning autoclaving or ethylene oxide treatment is required for sterile applications.
Is degassing functionality built-in?
Yes—continuous ultrasonic agitation at 40 kHz induces rapid nucleation and coalescence of dissolved gases, enabling effective degassing within 5–10 minutes at 40–50 °C.
How often should the cleaning solution be replaced?
Solution change frequency depends on load and soil type; typical practice is daily replacement for high-throughput labs or after every 3–5 cleaning cycles in low-volume settings, as defined in internal SOPs.
Are replacement transducers or tanks available as spare parts?
Yes—Shumei supplies OEM-certified transducer assemblies and tank modules with traceable serial numbers for full component-level replacement and recalibration support.