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Ultrasonic Transducers

Piezoelectric ultrasonic transducers (also called "converters" and "Langevin transducers") are devices used to convert electrical energy coming from an ultrasonic generator into mechanical energy in the form of ultrasonic vibrations. ISM supplies several types of high-efficiency (93 - 97%) piezoelectric transducers as parts of its laboratory, bench and industrial-scale ultrasonic liquid processors.

Sealed Water-Cooled Piezoelectric Transducer for ISP-3000SWCT-20-ISP - Sealed Water-Cooled Transducer for ISP-3000

SWCT-20-ISP is rated up to 3,000 W and is the only high-power liquid-cooled piezoelectric ultrasonic transducer available on the market. It is supplied with the ISP-3000 industrial-scale ultrasonic processor. This device can operate continuously (24/7), is compatible with all ISM's ultrasonic horns, and may be used in any liquid processing application of high-intensity ultrasound. The unit is completely sealed to the outside environment, which makes it immune to high-humidity conditions and suitable for processing flammable materials, such as fuels and organic solvents.

SWCT-20-ISP must be cooled with water (or chiller liquid), supplied through the threaded or quick-disconnect fittings shown on the left. The water flow rate must be at least 7 L/min and its temperature must be below 10 oC. Operating the unit without the cooling water may cause irreversible damage and is strictly prohibited.

Sealed Water-Cooled Piezoelectric TransducerSWCT-25-BSP - Sealed Water-Cooled Transducer for BSP-1200

SWCT-25-BSP is rated up to 1,500 W and is the only medium-power liquid-cooled piezoelectric ultrasonic transducer available on the market. It is supplied with the BSP-1200 bench-scale ultrasonic processor. This device can operate continuously (24/7), is compatible with all ISM's ultrasonic horns, and may be used in any liquid processing application of high-intensity ultrasound. The unit is completely sealed to the outside environment, which makes it immune to high-humidity conditions and suitable for processing flammable materials, such as fuels and organic solvents.

SWCT-25-BSP must be cooled with water (or chiller liquid), supplied through the threaded or quick-disconnect fittings shown on the left. The water flow rate must be at least 5 L/min and its temperature must be below 15 oC. Operating the unit without the cooling water may cause irreversible damage and is strictly prohibited.

Air-Cooled Piezoelectric TransducerACT-25 - Air-Cooled Transducer for BSP-1200

ACT-25 is rated up to 1,500 W and may be supplied with the BSP-1200 bench-scale ultrasonic processor upon request. If properly cooled, it can operate continuously. ACT-25 is compatible with all ISM's ultrasonic horns and may be used in any liquid processing application of high-intensity ultrasound, except where a sealed water-cooled transducer (SWCT-25-BSP) is preferred due to safety issues or convenience.

ACT-25 must be cooled with forced air, supplied through the 1/2" air-hose connection shown at the top. The air must be filtered, dry and cooler than 30 oC (86 F). The recommended air flow rate is at least 0.5 m3/min (18 cfm). Operating the unit without the cooling air may cause irreversible damage and is strictly prohibited.

 

Handheld Air-Cooled Piezoelectric TransducerHACT-20 - Handheld Air-Cooled Transducer for BSP-1200

Handheld Transducer with Full-wave Barbell Horn HACT-20 is rated up to 1,500 W and may be used with the BSP-1200 bench-scale ultrasonic processor. Commonly, HACT-20 is connected to a Full-wave Barbell Horn (FBH), as shown on the right, and is operated by hand. The ultrasonic output is activated by pressing a trigger on the transducer's body. Common applications include batch-mode ultrasonic degassing and mixing.

HACT-20 must be cooled with filtered, dry and cool forced air, supplied through the 1/4" air-hose connection at the top. Operating the unit without the cooling air may cause irreversible damage and is strictly prohibited.

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