28/40 kHz Dual Frequency Ultrasonic Cleaners

28/40 kHz dual frequency ultrasonic cleaners provide maximum flexibility by allowing users to switch between two cleaning intensities.

The 28 kHz setting delivers stronger cavitation for heavy contamination, while 40 kHz offers balanced cleaning for routine laboratory applications.

This dual-frequency capability makes these systems ideal for laboratories and technical environments handling diverse materials and contamination levels.

Biobase UC-AD ultrasonic cleaner 40 kHz adjustable power with digital control panel front view
  • Type: Dual frequency 28/40 kHz ultrasonic cleaner
  • Volume: 6.5 L tank capacity
  • Ultrasonic Power: 180 W
  • Heating Power: 500 W
  • Tank Size: 300 × 150 × 150 mm

495,00 excl. VAT

Biobase UC-AD ultrasonic cleaner 40 kHz adjustable power with digital control panel front view
  • Type: Dual frequency 28/40 kHz ultrasonic cleaner
  • Volume: 10 L tank capacity
  • Ultrasonic Power: 240 W
  • Heating Power: 500 W
  • Tank Size: 300 × 240 × 150 mm

600,00 excl. VAT

Biobase UC-AD ultrasonic cleaner 40 kHz adjustable power with digital control panel front view
  • Type: Dual frequency 28/40 kHz ultrasonic cleaner
  • Volume: 15 L tank capacity
  • Ultrasonic Power: 360 W
  • Heating Power: 500 W
  • Tank Size: 330 × 300 × 150 mm

750,00 excl. VAT

Biobase UC-AD ultrasonic cleaner 40 kHz adjustable power with digital control panel front view
  • Type: Dual frequency 28/40 kHz ultrasonic cleaner
  • Volume: 22.5 L tank capacity
  • Ultrasonic Power: 480 W
  • Heating Power: 500 W
  • Tank Size: 500 × 300 × 150 mm

840,00 excl. VAT

Biobase UC-AD ultrasonic cleaner 40 kHz adjustable power with digital control panel front view
  • Type: Dual frequency 28/40 kHz ultrasonic cleaner
  • Volume: 30 L tank capacity
  • Ultrasonic Power: 600 W
  • Heating Power: 500 W
  • Tank Size: 500 × 300 × 200 mm

960,00 excl. VAT

28 kHz vs 40 kHz – Dual Frequency Explained

FrequencyCleaning StrengthBest ForSurface Protection
28 kHzHigh cavitation intensityHeavy grease, industrial residuesModerate
40 kHzBalanced cavitationLaboratory glassware and instrumentsGood

Dual frequency ultrasonic cleaners combine both options in a single system, allowing process optimization for each cleaning task.

What Is Dual Frequency Ultrasonic Cleaning?

Dual frequency ultrasonic cleaners allow users to select between two different ultrasonic frequencies within the same unit. This provides flexibility when handling varying contamination levels or different material sensitivities.

The Advantage of 28 kHz for Heavy Contamination

At 28 kHz, cavitation bubbles are larger and collapse with greater intensity. This makes it highly effective for removing heavy grease, industrial residues and stubborn contamination.

Lower frequencies are particularly useful in technical workshops and industrial maintenance environments.

The Role of 40 kHz in Laboratory Cleaning

40 kHz remains the standard laboratory frequency, offering a balanced cleaning action suitable for glassware, instruments and metal components.

Switching between 28 kHz and 40 kHz allows laboratories to optimize cleaning intensity depending on the application.

When to Choose Dual Frequency Systems

  • Laboratories handling diverse contamination levels
  • Industrial and research crossover applications
  • Facilities requiring process optimization
  • Cleaning both robust and sensitive components

Integrated Heating and Digital Process Control

Most dual frequency ultrasonic cleaners include digital timers and integrated heating up to 80°C. Heating enhances removal of oils and organic residues while frequency selection provides cavitation control.

This combination ensures both cleaning power and material protection.

Explore Other Ultrasonic Cleaning Solutions

Combining ultrasonic cleaning with proper washing and conditioning equipment improves laboratory workflow efficiency and reproducibility.

FAQ - 28/40 kHz Dual Frequency Ultrasonic Cleaners

What is the advantage of dual frequency ultrasonic cleaners?
Dual frequency systems allow users to switch between stronger 28 kHz cleaning and balanced 40 kHz cleaning within the same unit.
Is 28 kHz too aggressive for laboratory glassware?
28 kHz is stronger and mainly suited for heavy contamination. For routine laboratory glassware, 40 kHz is generally recommended.
When should I choose dual frequency over adjustable power?
Dual frequency provides two distinct cleaning intensities, while adjustable power fine-tunes intensity within one frequency. Dual frequency is ideal for environments with highly variable contamination levels.
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