Branson CPX2800H-C Benchtop Ultrasonic Cleaner

Overview

The Branson CPX2800H-C is a precision-engineered benchtop ultrasonic cleaner designed for reproducible, high-efficiency cleaning and sample preparation in analytical, pharmaceutical, clinical, and materials science laboratories. It operates on the principle of cavitation—generated by high-frequency (40 kHz) piezoelectric transducers—where rapid formation and collapse of microscopic vapor bubbles in the cleaning solution produce localized shockwaves and microstreaming. This physical mechanism effectively dislodges particulate contaminants, organic residues, and biofilms from delicate instrumentation, glassware, surgical tools, and microcomponents without mechanical abrasion. Engineered for consistency across variable load conditions, the CPX2800H-C features automatic power tracking, dual-power mode selection (high/low), and integrated temperature regulation—ensuring stable acoustic output and thermal control critical for method transfer and regulatory compliance.

Key Features

• Automatic Power Tracking: Dynamically adjusts transducer drive amplitude to maintain consistent acoustic energy delivery regardless of tank load, solution level, or temperature drift—essential for inter-laboratory reproducibility.
• Dual-Power Mode Selection: Switchable high/low ultrasonic output enables optimization for sensitive substrates (e.g., optical lenses, MEMS devices) versus heavily soiled components (e.g., metal fixtures, filtration housings).
• Programmable Digital Control Panel: Intuitive interface supports full parameter programming—including time (1–99 min or continuous), temperature (ambient to 69 °C), and degassing duration (up to 99 min)—with real-time display and memory retention.
• Degassing Function: Dedicated degas cycle removes dissolved air prior to cleaning, minimizing bubble shielding and maximizing cavitation efficiency—particularly critical for low-surface-tension solvents or vacuum-sensitive applications.
• Temperature Calibration Capability: Allows field verification and correction of internal temperature sensor offset using an external reference probe—supporting GLP/GMP traceability requirements.
• Robust Transducer Architecture: Langevin-type ceramic/metal composite transducers mounted via advanced adhesive bonding ensure long-term mechanical integrity and minimal acoustic attenuation over extended duty cycles.
• IP-Enhanced Enclosure Design: Vertical PCB orientation, elevated control panel, and sealed front-panel interfaces mitigate moisture ingress; polypropylene (PP) housing resists corrosion from common aqueous and mild solvent-based cleaning chemistries.
• Integrated Acoustic Lid: Hinged sound-dampening lid doubles as a drip tray and incorporates a manual drain valve for rapid, spill-free fluid removal—reducing operator exposure and lab contamination risk.

Sample Compatibility & Compliance

The CPX2800H-C accommodates a wide range of sample geometries and material classes—including stainless steel, aluminum, borosilicate glass, silicon wafers, ceramic substrates, and polymer components—provided immersion-compatible with aqueous or low-volatility solvent media. Its 2.8 L stainless steel (AISI 304) tank conforms to ASTM D2603 (Standard Test Method for Sonic Shear Stability of Lubricants) and ISO 13857 (Safety of Machinery – Safety Distances) guidelines for operator proximity. All units are certified to UL 61010-1, CSA C22.2 No. 61010-1, EN 61010-1, and CE marking requirements. Independent TÜV Rheinland certification validates electrical safety, insulation integrity, and thermal management under sustained operation—meeting IEC 61000-6-3 EMC emission standards and supporting FDA 21 CFR Part 11–aligned validation protocols when paired with compliant software environments.

Software & Data Management

While the CPX2800H-C operates as a standalone instrument with embedded firmware, its programmable parameters support integration into validated laboratory workflows. All user-defined settings—including timer values, temperature setpoints, and power modes—are stored in non-volatile memory and recalled at power-up. The system logs fault events (e.g., overtemperature, lid-open detection, transducer impedance anomaly) with audible alarm activation and on-screen status indicators. For audit-trail compliance, external data loggers may record temperature and timer outputs via analog voltage signals (0–5 VDC). When deployed in regulated environments, the device satisfies ALCOA+ principles through deterministic behavior, parameter lockout capability (via optional password protection), and calibration traceability documentation per ISO/IEC 17025-accredited service providers.

Applications

• Cleaning of HPLC/GC autosampler vials, syringe filters, and column hardware prior to analysis
• Removal of flux residues and particulates from printed circuit boards (PCBs) and semiconductor packaging
• Preparation of TEM/SEM specimens requiring particle-free surfaces
• Decontamination of reusable surgical instruments and dental handpieces in ISO 13485-certified facilities
• Extraction assistance for solid-phase microextraction (SPME) and tissue homogenization protocols
• Ultrasonic-assisted dissolution testing per USP and Ph. Eur. 2.9.40
• Surface activation of polymers and composites prior to coating or bonding

FAQ

Is the CPX2800H-C suitable for use with flammable solvents?
No. This unit is rated for aqueous and low-flashpoint (<60 °C) cleaning solutions only. Flammable solvent use requires explosion-proof models meeting ATEX or IECEx directives.
Does it support external temperature probe input for calibration verification?
Yes. The temperature calibration function accepts input from standard PT100 or NIST-traceable thermistors connected via the rear-panel calibration port.
Can the timer be bypassed for continuous operation?
Yes. Selecting “CONT” mode disables the countdown timer while maintaining all other active parameters—including temperature and power mode.
What maintenance is required for long-term reliability?
Routine inspection of the drain valve seal, periodic descaling of the stainless steel tank with citric acid solution, and annual verification of transducer impedance and temperature sensor accuracy are recommended.
Is firmware upgrade capability available?
Firmware updates are performed exclusively by authorized Branson service centers using proprietary diagnostic tools; no end-user upgradable interface is provided.