Argolab DU-220S 22 L Digital Ultrasonic Bath

22-litre digital ultrasonic bath with integrated Sweep technology and dual-frequency 40/28 kHz operation. Rated output: 480 W ultrasonic power and 500 W heating. Tank dimensions: 500 x 150 x 300 mm.

Functions and Control

Independent control of all functions. Ultrasonics, heating, Pulse and Degas are activated separately—no cross-interference between modes.

• Sweep: continuous frequency modulation to eliminate standing-wave dead zones within the tank
• Pulse: intermittent cycles for processing sensitive samples
• Degas: degassing of liquids prior to the main process
• Timer: 1 to 99 minutes
• Temperature: +5 °C to +60 °C

Display and Readout

Backlit LED display with simultaneous readout of temperature, timer, ultrasonic power and frequency. All parameters visible on a single screen—no menu navigation required.

Technical Specifications

• Volume: 22 litres
• Ultrasonic power: 480 W
• Heating power: 500 W
• Frequency: 40/28 kHz
• Tank dimensions (W x H x D): 500 x 150 x 300 mm
• Weight: 13.20 kg
• Temperature range: +5 °C to +60 °C
• Timer: 1 to 99 minutes

Supplied With

• Stainless steel mesh basket
• Stainless steel lid
• Tank drain tap
• 1 x 60 ml concentrated universal cleaner

Typical Applications

Cleaning of laboratory glassware and instruments, solvent degassing, sample preparation, particle dispersion and ultrasound-assisted extraction. The 22-litre tank accommodates multiple vessels or larger sample batches simultaneously.