Shengyan SCQ-140905 Benchtop Ultrasonic Cleaner

Overview

The Shengyan SCQ-140905 is a robust, benchtop-integrated ultrasonic cleaner engineered for precision cleaning in regulated laboratory, quality control, and industrial R&D environments. It operates on the principle of cavitation—generated by high-frequency mechanical vibrations transmitted through a liquid medium via piezoelectric transducers bonded to the stainless steel tank base. At its nominal frequency of 40 kHz, the device produces stable, uniform acoustic energy distribution across the entire 27 L cleaning chamber, enabling efficient removal of particulate contaminants, organic residues, oils, oxides, and biofilms from complex geometries without mechanical abrasion. Unlike resonant (self-oscillating) generators, the SCQ-140905 employs an externally excited generator architecture, ensuring consistent output amplitude and phase stability over extended operation cycles—a critical requirement for repeatable cleaning validation under GLP or ISO 13485-aligned workflows.

Key Features

• Stainless steel 304 tank (300 × 300 × 300 mm internal dimensions) with electropolished finish for corrosion resistance and ease of decontamination
• 500 W ultrasonic power output with continuous 10–100% adjustable intensity, enabling method optimization for delicate vs. heavily soiled substrates
• Precise temperature control from ambient to 85 °C using an immersed stainless steel tubular heater and EGO-brand digital thermostat, supporting temperature-dependent cleaning chemistries (e.g., alkaline saponification, enzymatic digestion)
• Programmable timer with 1–600 minute range (1-second resolution), supporting both short-cycle degassing and extended soak protocols
• Integrated sound-dampening lid with safety interlock, reducing ambient noise to ≤65 dB(A) at 1 m distance and preventing solvent evaporation during heated operation
• Manual stainless steel ball valve for controlled drain functionality; compatible with optional external recirculation or filtration modules
• Externally excited ultrasonic generator with low harmonic distortion (<5% THD), minimizing standing wave interference and ensuring uniform energy coupling into aqueous and aqueous-organic solutions

Sample Compatibility & Compliance

The SCQ-140905 accommodates a broad spectrum of sample types—including glassware (vials, cuvettes, pipettes), metal components (stainless steel, aluminum, titanium), ceramic substrates, silicon wafers, optical lenses, and polymer-based medical devices—without risk of surface pitting or microstructural damage when operated within validated parameters. Its construction meets CE marking requirements for electrical safety (EN 61000-6-3, EN 61000-6-4) and complies with material compatibility standards for laboratory equipment (ISO 8573-1 for compressed air–assisted variants; ASTM D4169 for packaging integrity testing support). While not certified to FDA 21 CFR Part 11 out-of-the-box, the unit supports audit-ready documentation when integrated with validated SOPs and electronic logbooks per ISO/IEC 17025 and GMP Annex 11 guidelines.

Software & Data Management

The SCQ-140905 operates via front-panel membrane keypad with LED display; no embedded software or network interface is included. However, its analog-compatible control signals (0–10 VDC power modulation, PT100 temperature feedback loop, relay-triggered timer output) allow integration with programmable logic controllers (PLCs) or LabVIEW-based monitoring systems for automated process logging. Users may record operational parameters—including actual power draw, real-time bath temperature, elapsed time, and cycle completion status—into external databases for traceability. When deployed in regulated environments, this analog I/O architecture facilitates full compliance with ALCOA+ data integrity principles when paired with qualified third-party data acquisition hardware and 21 CFR Part 11–compliant electronic signatures.

Applications

• Mechanical engineering: Degreasing of precision gauges, removal of rust inhibitors from machined parts, and unclogging of hydraulic filters prior to dimensional inspection
• Surface finishing: Pre-treatment cleaning before electroplating, anodizing, or phosphating to ensure uniform coating adhesion per ASTM B689 and ISO 8502-3
• Medical device manufacturing: Cleaning of surgical instruments, endoscope channels, and implant-grade components per ISO 15883-1 and AAMI ST98
• Electronics assembly: Residue removal from PCBs after soldering (rosin flux, no-clean fluxes) and cleaning of MEMS sensors prior to hermetic sealing
• Pharmaceutical QC labs: Preparation of HPLC vials, autosampler trays, and dissolution apparatus parts in accordance with USP and EP 2.6.27
• Semiconductor R&D: Particle-free cleaning of photomasks and wafer carriers in Class 100–1000 cleanrooms
• Academic research: Decontamination of reusable cell culture flasks, electrophoresis tanks, and microfluidic chips between experimental runs

FAQ

Is the SCQ-140905 suitable for use with flammable solvents?
No. The unit is designed exclusively for aqueous and water-miscible cleaning solutions. Use with flammable organic solvents (e.g., acetone, ethanol, IPA) is prohibited due to lack of explosion-proof certification and absence of vapor recovery or inert gas purging capabilities.
Can the ultrasonic frequency be changed to 80 kHz or 130 kHz on this model?
No. The SCQ-140905 is a single-frequency (40 kHz) system. Multi-frequency capability is available only on higher-tier Shengyan models (e.g., SCQ-MF series) and requires dedicated transducer arrays and generator firmware.
What maintenance is required for long-term reliability?
Monthly inspection of transducer bonding integrity, quarterly descaling of the heater element using 5% citric acid solution, and annual verification of temperature sensor calibration against NIST-traceable reference thermometers are recommended.
Does the unit include a degas function?
Yes. Activating the ultrasonic generator without heating initiates automatic degassing mode for 5 minutes, removing dissolved air from the cleaning solution to maximize cavitation efficiency prior to sample immersion.
Is the tank depth sufficient for submerging standard 1-L volumetric flasks?
Yes. With a 300 mm internal depth and 27 L usable volume, the tank accommodates tall-form glassware up to 280 mm in height when placed vertically, provided proper rack support is used to prevent bottom contact with transducers.