Branson M2800-C Benchtop Ultrasonic Cleaner

Overview

The Branson M2800-C is a precision-engineered benchtop ultrasonic cleaner designed for routine and critical cleaning tasks in analytical laboratories, quality control environments, and research facilities. It operates on the principle of cavitation—generated by high-frequency (40 kHz) acoustic energy transmitted through a liquid medium—to remove particulate contaminants, organic residues, and thin oxide layers from delicate components such as glassware, metal parts, surgical instruments, semiconductor wafers, and microfluidic devices. Unlike basic cleaners relying on fixed-power transducers, the M2800-C incorporates real-time power tracking and frequency sweeping technology. This ensures consistent energy delivery across varying load conditions, fluid levels, and sample geometries—directly supporting method reproducibility and compliance with standardized cleaning protocols under GLP and ISO 13485 frameworks.

Key Features

• Intelligent power-tracking circuitry maintains stable ultrasonic output regardless of tank loading, temperature drift, or solution composition changes.
• Frequency sweep mode (±1 kHz around 40 kHz center frequency) eliminates standing wave nodes, ensuring uniform cavitation distribution across the entire tank volume.
• Langevin-type piezoelectric transducers—metal-ceramic composite elements—mounted via advanced adhesive bonding for optimal mechanical coupling and long-term reliability.
• Corrosion-resistant construction: 304 stainless steel tank interior paired with polypropylene (PP) housing, providing chemical resistance to mild acids, alkalis, and common solvents.
• Vertical PCB orientation and sealed component layout minimize moisture ingress—enhancing operational longevity in humid lab environments.
• Ergonomic front-panel controls positioned above the tank for intuitive operation; mechanical timer with 0–60 minute range or continuous mode selection.
• Integrated sound-dampening lid with integrated drip tray functionality and manual drain valve for rapid, spill-free solution exchange.
• Predefined fill line ensures optimal cavitation efficiency and prevents transducer overheating during operation.

Sample Compatibility & Compliance

The M2800-C accommodates a wide range of laboratory items including volumetric flasks, pipette tips, HPLC vials, watch glasses, optical lenses, printed circuit boards, and small-scale medical device assemblies. Its 5.7 L working volume supports batch processing while maintaining spatial uniformity of acoustic energy. The unit complies with IEC 61000-6-3 (EMC emissions), IEC 61000-6-1 (immunity), and carries both CE marking and TÜV Rheinland certification—validating electrical safety per EN 61010-1 and mechanical integrity under sustained duty cycles. These certifications support audit readiness for FDA-regulated environments where equipment qualification (IQ/OQ/PQ) and traceable maintenance records are required.

Software & Data Management

As a standalone analog-controlled instrument, the M2800-C does not feature digital connectivity or embedded software. All operational parameters—including time, temperature, and power level—are set manually via tactile dials and switches. This architecture prioritizes simplicity, electromagnetic noise immunity, and long-term serviceability without dependency on firmware updates or proprietary drivers. For labs requiring documentation, external data loggers may be used to record bath temperature profiles over time, supporting validation workflows aligned with ASTM D2603 or USP guidelines for ultrasonic cleaning performance verification.

Applications

• Routine decontamination of glassware prior to trace-metal analysis (e.g., ICP-MS, AAS).
• Removal of flux residues and solder paste from PCBs in electronics manufacturing QA.
• Cleaning of reusable surgical tools and dental instruments between sterilization cycles.
• Surface preparation of substrates before thin-film deposition or surface characterization (XPS, AFM).
• Disaggregation of aggregated nanoparticles in suspension for DLS or TEM sample prep.
• Extraction assistance in solid-phase microextraction (SPME) and leaching studies.

FAQ

What is the recommended cleaning solution for the M2800-C?

Aqueous alkaline detergents or low-surface-tension solvents compatible with 304 stainless steel and PP are preferred. Avoid halogenated hydrocarbons or strong oxidizers unless verified for material compatibility.
Can the M2800-C operate continuously for extended periods?

Yes—the mechanical timer includes a continuous mode setting. However, duty cycle should not exceed 30 minutes ON / 10 minutes OFF for thermal management when operating at full power.
Is the unit suitable for use with heated solutions?

Yes—temperature is adjustable up to 80 °C. Ensure solution volatility and flash point remain within safe limits for open-bath operation.
Does the M2800-C meet FDA or ISO requirements for medical device cleaning?

While not a Class II medical device itself, its design and certifications support use in ISO 13485-certified facilities. Validation must be performed per site-specific cleaning SOPs and documented per 21 CFR Part 820.
How often should the tank be descaled?

In hard-water regions, weekly descaling with citric acid or commercial ultrasonic descalers is advised to maintain transducer efficiency and prevent calcium buildup on the tank bottom.