Supmile KQ-400KDB Benchtop Ultrasonic Cleaner

Overview

The Supmile KQ-400KDB is a microprocessor-controlled benchtop ultrasonic cleaner engineered for precision cleaning of delicate and complex components in laboratory, research, quality control, and light industrial environments. It operates on the principle of acoustic cavitation: high-frequency (40 kHz) ultrasonic energy is transmitted into a liquid medium via piezoelectric transducers bonded to the stainless steel tank base. This generates microscopic vacuum bubbles that rapidly collapse (implosion), producing localized transient pressures exceeding 1000 atm and micro-jets with velocities up to 400 km/h. These physical phenomena enable non-contact, uniform removal of particulates, organic residues, oils, fluxes, and biofilms from surfaces—including blind holes, crevices, threaded features, and microstructured geometries—without mechanical abrasion or thermal degradation.

Key Features

• 400 W nominal ultrasonic power output with continuous 40–100% adjustable intensity—optimized for diverse cleaning challenges without compromising transducer longevity
• Digital microcontroller interface with real-time display of elapsed time, set/actual temperature, and selected power percentage
• Programmable heating system (600 W) enabling precise temperature control from 20 °C to 80 °C—critical for enhancing detergent efficacy and reducing surface tension
• Timer function with 1–480 minute range; supports both single-cycle and cumulative usage logging up to 99,999 hours for maintenance tracking
• Robust 304 stainless steel tank (300 × 240 × 150 mm internal dimensions) resistant to corrosion from aqueous and mild solvent-based cleaning solutions
• Integrated safety architecture: automatic shutdown triggered by low water level, overheating (>85 °C), overcurrent, overvoltage, or dry-run conditions
• Energy-efficient design with optimized electrical-to-acoustic conversion efficiency—reduced no-load power consumption and minimized harmonic distortion

Sample Compatibility & Compliance

The KQ-400KDB accommodates a wide range of sample types including glassware (vials, pipettes, cuvettes), metal components (surgical instruments, calibration standards), ceramic substrates, optical lenses, printed circuit boards (PCBs), and polymer-based labware. Its cleaning performance aligns with standard methodologies referenced in ASTM D2603 (Standard Test Method for Sonic Shear Stability of Lubricating Oils), ISO 13485 (for medical device reprocessing validation support), and USP (Ultrasonic Cleaning of Laboratory Glassware). While not certified for GMP or FDA 21 CFR Part 11 compliance out-of-the-box, its digital logging capability and parameter reproducibility support audit-ready documentation when integrated into validated cleaning protocols under GLP/GMP frameworks.

Software & Data Management

This unit operates via embedded firmware without external PC dependency. All operational parameters—including time, temperature, and power—are digitally stored and recalled across power cycles. The display retains last-used settings for immediate repeat runs, minimizing procedural variability. For laboratories requiring traceability, manual recording of batch-specific cleaning logs (time, temp, power %, solution type) is supported by the persistent digital readout and cumulative hour meter. Optional RS-232 or USB data export modules (not included) may be retrofitted for integration into LIMS or electronic lab notebook (ELN) systems.

Applications

• Pre-analytical preparation of HPLC vials, GC autosampler inserts, and ICP-MS sample containers to eliminate carryover contamination
• Cleaning of reusable surgical tools, dental handpieces, and endoscope components prior to sterilization
• Removal of solder paste residue and rosin flux from PCB assemblies in electronics R&D labs
• Restoration of optical components—including microscope slides, spectrometer prisms, and laser optics—without scratching
• Routine decontamination of centrifuge rotors, electrophoresis combs, and cell culture flasks in bioscience facilities
• Surface preparation of reference standards and calibration artifacts prior to dimensional metrology or surface analysis (e.g., SEM, AFM)

FAQ

What cleaning solutions are compatible with the KQ-400KDB?
Aqueous alkaline, neutral, or mildly acidic detergents are recommended. Avoid halogenated solvents (e.g., chloroform, carbon tetrachloride) and strong oxidizers (e.g., undiluted nitric acid), which may degrade tank seals or transducer bonding materials.
Is degassing required before initiating ultrasonic cleaning?
Yes—especially for viscous or dissolved-gas-rich solutions. A 5–10 minute degas cycle (ultrasound ON, heater OFF) removes entrained air that dampens cavitation efficiency and reduces cleaning uniformity.
Can this unit be used for passivation or etching applications?
No. The KQ-400KDB is designed exclusively for physical contaminant removal via cavitation. It lacks process controls (e.g., pH monitoring, chemical dosing, exhaust scrubbing) required for electrochemical or wet-chemical surface modification.
How often should the tank solution be replaced?
Solution replacement frequency depends on soil load and chemistry—typically every 4–8 hours of cumulative operation or after processing visibly contaminated batches. Monitor conductivity or turbidity as empirical indicators of saturation.
Does the unit include a basket or mesh tray?
Yes—a perforated 304 stainless steel mesh basket is supplied as standard equipment to elevate parts above tank sediment and ensure unobstructed acoustic coupling.