Ningbo Scientz SB-100DT Digital Ultrasonic Cleaner with Heating

Overview

The Ningbo Scientz SB-100DT is a digitally controlled, heating-capable ultrasonic cleaner engineered for reproducible, non-invasive cleaning and auxiliary sample preparation tasks in academic, pharmaceutical, clinical, and industrial laboratories. It operates on the principle of acoustic cavitation: high-frequency mechanical vibrations (40 kHz) generated by piezoelectric transducers bonded to the stainless-steel tank base propagate through the cleaning medium—typically aqueous or mild solvent-based solutions—inducing transient microbubble formation and violent implosive collapse. This process delivers localized energy densities sufficient to disrupt weak intermolecular adhesion forces (e.g., van der Waals, hydrophobic interactions), enabling effective removal of particulate contaminants, organic residues, biofilms, and adsorbed lipids from complex geometries—including blind holes, capillary channels, and microstructured surfaces—without mechanical abrasion or surface etching. Unlike immersion-only or manual scrubbing methods, ultrasonic cleaning ensures uniform treatment across all submerged surfaces simultaneously, significantly reducing operator variability and processing time.

Key Features

• Digital microprocessor control with real-time display of elapsed/remaining time and actual bath temperature
• Integrated heating system with precise thermostatic regulation (ambient to 80 °C ±2 °C), enhancing solubilization kinetics for waxy or viscous contaminants
• Programmable timer (1–99 minutes) with automatic shutdown and audible alert upon cycle completion
• Stainless-steel tank (304 grade) with reinforced transducer mounting for long-term structural integrity and acoustic coupling efficiency
• Acoustically insulated lid with ergonomic handle reduces ambient noise levels and minimizes solvent evaporation during operation
• Over-temperature protection and auto-shutdown on sensor fault or dry-run detection ensure operational safety and equipment longevity
• Power-loss memory function retains last-used time and temperature settings after brief power interruption

Sample Compatibility & Compliance

The SB-100DT accommodates standard laboratory glassware (e.g., volumetric flasks, centrifuge tubes, Petri dishes), metal instruments (surgical forceps, dental tools, precision bearings), optical components (lens elements, quartz cuvettes), and delicate jewelry substrates (gold, platinum, gemstone settings). Its cleaning efficacy aligns with routine laboratory decontamination protocols referenced in ISO 15883-1 (washer-disinfectors) and ASTM D2603 (ultrasonic cleaning validation methodology). While not certified as a medical device under FDA 21 CFR Part 820 or EU MDR, it supports GLP/GMP-aligned cleaning workflows when integrated into documented SOPs—including traceable parameter logging (via external data loggers), periodic performance verification (using aluminum foil erosion test per ASTM E1757), and routine maintenance records. The absence of drain/fill ports necessitates manual liquid handling; users must comply with institutional chemical hygiene plans when selecting compatible cleaning media.

Software & Data Management

The SB-100DT operates via embedded firmware without external software dependency. All operational parameters—including set time, target temperature, and real-time feedback—are displayed on a dual-line LCD interface. Though it lacks USB/RS-232 connectivity or PC integration, its deterministic digital control architecture ensures repeatable execution of predefined cleaning cycles. For regulated environments requiring audit trails, laboratories may integrate third-party environmental monitors (e.g., calibrated thermistors, timer-activated cameras) to document bath temperature stability and cycle duration compliance. The unit’s design conforms to IEC 61010-1 safety standards for electrical equipment used in laboratory settings, including dielectric strength testing and grounding continuity verification.

Applications

• Routine decontamination of reusable labware prior to sterilization or analytical use
• Pre-analytical sample preparation: cell lysis, nanoparticle dispersion, DNA shearing (low-intensity, short-duration protocols)
• Solvent degassing for HPLC mobile phase preparation and gas chromatography carrier gas conditioning
• Restoration cleaning of optical surfaces—microscope objectives, spectrometer windows, laser optics—without micro-scratching
• Maintenance cleaning of precision mechanical assemblies (fuel injectors, watch movements, MEMS devices)
• Supporting extraction workflows in natural product chemistry (e.g., accelerated solvent extraction of plant metabolites)

FAQ

What cleaning solutions are compatible with the SB-100DT?
Aqueous alkaline detergents, ethanol/water mixtures, and low-surface-tension solvents (e.g., isopropanol) are commonly used. Avoid halogenated solvents (e.g., chloroform, carbon tetrachloride) due to corrosion risk and potential transducer degradation.
Can the SB-100DT be used for sterilization?
No. Ultrasonic cleaning removes bioburden but does not achieve sterility assurance levels (SAL ≤10⁻⁶). It serves as a critical pre-sterilization step; subsequent autoclaving, ethylene oxide, or hydrogen peroxide plasma treatment is required for sterilization.
Is the 40 kHz frequency adjustable?
No. The transducer is fixed at 40 kHz, optimized for broad-spectrum contaminant removal while balancing cavitation intensity and component longevity.
How often should the tank solution be changed?
Solution replacement frequency depends on load and soil type. As a general guideline, change the bath after every 8–10 cleaning cycles or immediately upon visible turbidity, odor, or reduced cleaning efficiency.
Does the unit meet CE or UL certification requirements?
The SB-100DT complies with IEC 61010-1 for laboratory electrical safety. CE marking status varies by export configuration; users should verify conformity documentation provided with regional shipments.