Ningbo Scientz SB-1200DTY Sweep-Frequency Ultrasonic Cleaner
| Brand | Ningbo Scientz |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | General-Purpose Ultrasonic Cleaner |
| Tank Capacity | 70 L |
| Ultrasonic Frequency Range | 25 kHz, 33 kHz, 40 kHz, 59 kHz (sweep-frequency selectable) |
| Total Ultrasonic Power Output | 1200 W |
| Power Adjustment Range | 40–99% (stepless) |
| Temperature Control Range | Ambient to 80 °C |
| Timer Setting Range | 1–999 min (total cycle) + independent frequency-stage timers (1–99 min per frequency) |
| Acoustic Lid | Integrated stainless-steel lid with sound-dampening design |
| Drain & Fill Ports | Equipped with inlet/outlet fittings |
| Display | Backlit LCD with real-time temperature and countdown indication |
| Memory Function | Parameter retention after power interruption |
| Construction | 304 Stainless Steel tank, outer housing, and lid |
Overview
The Ningbo Scientz SB-1200DTY Sweep-Frequency Ultrasonic Cleaner is an engineered solution for laboratories requiring multi-stage, application-specific ultrasonic processing beyond conventional single-frequency cleaning. Unlike fixed-frequency systems, the SB-1200DTY employs a digitally controlled sweep-frequency architecture—dynamically alternating between 25 kHz, 33 kHz, 40 kHz, and 59 kHz within a single operational cycle. This frequency agility enables precise matching of acoustic energy to diverse sample matrices and contaminant types: lower frequencies (25–33 kHz) deliver high cavitation intensity suitable for macro-particulate removal and bulk degassing; mid-range frequencies (40 kHz) provide balanced penetration and micro-cleaning efficacy for general labware and precision components; higher frequencies (59 kHz) generate finer, more uniform cavitation fields ideal for delicate substrates, nanoparticle dispersion, and emulsion stabilization. The system operates on the principle of acoustic cavitation—where rapid pressure fluctuations in the liquid medium induce transient microbubble formation and collapse, generating localized shockwaves, microstreaming, and thermal transients sufficient to disrupt covalent and non-covalent surface adhesion forces. Its 70 L stainless steel tank volume supports large-volume batch processing while maintaining thermal and acoustic homogeneity across the working zone.
Key Features
- Digital sweep-frequency control enabling sequential or simultaneous activation of 25 kHz, 33 kHz, 40 kHz, and 59 kHz modes—each with independently programmable duration (1–99 min)
- 1200 W total ultrasonic output with continuous, stepless power adjustment from 40% to 99% for optimized energy delivery and reduced sample degradation
- Precision temperature regulation from ambient to 80 °C ±1 °C, monitored in real time via embedded PT100 sensor and displayed on backlit LCD interface
- Full-cycle timer (1–999 min) with auto-shutdown and power-failure memory retention—preserving all user-defined parameters including frequency sequence, power level, temperature setpoint, and stage durations
- Integrated acoustic lid constructed from 304 stainless steel with sound-absorbing inner lining, reducing ambient noise to ≤65 dB(A) at 1 m distance
- Standardized drain and fill ports (G1/2″ BSP) compatible with laboratory-grade fluid handling systems for automated solvent exchange or rinse protocols
- Robust mechanical architecture: 304 stainless steel tank (3 mm wall thickness), reinforced frame, and corrosion-resistant external housing rated for continuous operation under humid laboratory conditions
Sample Compatibility & Compliance
The SB-1200DTY accommodates a broad range of sample formats—including glassware (volumetric flasks, centrifuge tubes, cuvettes), metal components (surgical instruments, calibration standards), polymer substrates (microfluidic chips, filtration membranes), and composite materials (electrode assemblies, sensor housings). Its multi-frequency capability ensures effective cleaning of both organic residues (proteins, lipids, polymers) and inorganic deposits (scale, oxides, particulates) without compromising structural integrity. While not certified for sterile processing per ISO 13485 or FDA 21 CFR Part 820, the unit supports GLP-compliant workflows when integrated into validated cleaning SOPs. Its temperature stability, parameter traceability, and non-volatile memory align with internal audit requirements for instrument qualification (IQ/OQ/PQ). All electrical components comply with IEC 61010-1 safety standards for laboratory equipment.
Software & Data Management
The SB-1200DTY operates via an embedded microcontroller-based firmware platform—not PC-dependent software. All operational parameters are configured directly through the front-panel interface, with no external drivers or proprietary applications required. The system logs the last 10 executed cycles—including start time, frequency sequence, power level, temperature profile, and elapsed duration—in non-volatile memory. While it does not support USB export or network connectivity, its deterministic behavior, repeatable timing resolution (±0.5 s), and parameter persistence meet essential data integrity criteria for routine QC/QA environments. For laboratories requiring electronic records, integration with external PLCs or Lab Information Management Systems (LIMS) is feasible via optional dry-contact relay outputs (available upon request).
Applications
- Multi-step cleaning of analytical instrumentation components (HPLC injectors, GC liners, mass spectrometer ion sources)
- Preparation of nanomaterial dispersions (e.g., graphene oxide, TiO₂ nanoparticles) via controlled sonication-assisted exfoliation and deagglomeration
- Cell lysis and nucleic acid extraction protocols where frequency modulation minimizes thermal denaturation of target biomolecules
- Removal of photoresist residues and flux contaminants from semiconductor wafers and PCB substrates
- Ultrasonic-assisted solvent extraction of botanical analytes (e.g., polyphenols, alkaloids) under temperature-controlled conditions
- Deaeration of viscous solvents (e.g., glycerol, ethylene glycol) prior to viscosity or refractive index measurement
- Emulsification of oil-in-water systems for formulation development in pharmaceutical and cosmetic R&D
FAQ
Does the SB-1200DTY support remote control or computer interfacing?
No—the device operates autonomously via its onboard microcontroller. Communication is limited to front-panel input and visual feedback. Optional relay I/O modules may be added for basic external triggering.
What cleaning solutions are compatible with the stainless steel tank?
Aqueous alkaline, neutral, or mildly acidic detergents (pH 4–10) are recommended. Avoid halogenated solvents, strong oxidizers (e.g., concentrated HNO₃), or solutions exceeding 80 °C to prevent passive layer degradation.
Can the unit operate continuously for extended periods?
Yes—designed for unattended batch operation up to 999 minutes. Thermal management includes overtemperature cutoff and duty-cycle monitoring to sustain coil and transducer longevity.
Is calibration documentation provided with the instrument?
A factory-verified performance certificate is included, listing measured tank temperature accuracy, frequency output verification at each band, and power output linearity across the 40–99% range.
