18L ST18 Ultrasonic Cleaner

30-Day Trial Period Available.
24-Hour Warranty Response Time.
Local Australian Customer Support.
100% Australian Made. Australian Designed & Manufactured.
Operating 30+ Years. We are a 3rd Generation Family Business.
Complete Custom Solutions. We can design and create whatever size or style you like.

(02) 9939 4800

Certified by the Australian Made Campaign

Why choose Unisonics?

100% Australian Made & Manufactured

Unisonics is proud to design and manufacture all our ultrasonic cleaning systems locally. Our commitment to Australian craftsmanship ensures that every product meets the highest quality standards, providing superior cleaning performance and durability.

Dedicated Australian Customer Support

We know how critical reliable cleaning equipment is to your operations. That’s why we offer expert customer support from our local team, ensuring fast responses to all inquiries. Plus, with our 24-hour warranty response time, you can trust that we are here to support your business when you need it most.

Custom Ultrasonic Cleaning Solutions for Industrial Use

Every industry has unique cleaning requirements. At Unisonics, we provide complete customisation options, allowing businesses to specify the size, frequency, and design features they need. Whether it’s for medical sterilisation, manufacturing component cleaning, or large-scale industrial degreasing, we engineer solutions that optimise your workflow.

Industry-Leading Experience & Reputation

With over three decades in the industry, Unisonics has built a solid reputation for innovation and reliability. Our long-standing relationships with industrial clients reflect our dedication to excellence in ultrasonic cleaning solutions.

30-Day Trial Period for Business Confidence

We believe in our products' effectiveness, and we want our clients to be just as confident. That’s why we offer a 30-day trial period, so you can test our ultrasonic cleaners in your commercial or industrial setting before making a commitment.

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For industries requiring high-performance precision cleaning, the 18L ST18 ultrasonic cleaner is an ideal solution. Designed to remove contaminants such as grease, carbon buildup, and microscopic debris, the ST18 ultrasonic cleaner offers superior efficiency and reliability across various industries, including medical, manufacturing, automotive, and electronics.

The 18L ultrasonic cleaner is designed and manufactured in Australia, ensuring exceptional quality and compliance with industry standards. At Unisonics, we provide local Australian customer support, offering businesses expert assistance whenever needed. As a third-generation family business operating for over 30 years, we also offer complete custom solutions, tailoring ultrasonic cleaners to meet industry-specific requirements.

Applications of the 18L ST18 Ultrasonic Cleaner

Medical and Dental – Effectively cleans surgical instruments, dental tools, and medical devices, removing biological contaminants and ensuring sterility.
Automotive and Aerospace – Eliminates carbon deposits, grease, and fuel residues from engine parts, carburettors, and aerospace components.
Manufacturing and Metalworking – Removes machining residues, cutting oils, and polishing compounds from precision tools and industrial metal components.
Electronics and Semiconductor – Safely cleans printed circuit boards (PCBs), sensors, and electronic components, removing flux, dust, and soldering debris.
Laboratories and Pharmaceuticals – Sterilises glassware, sieves, and analytical instruments, ensuring contamination-free research and production.
Firearms and Defence – Ensures thorough cleaning of gun components, firearm barrels, and military-grade equipment by removing fouling and residues.
Optical and Precision Engineering – Cleans lenses, microscopes, and optical instruments, ensuring crystal-clear performance and accuracy.

The Ultimate Cleaning Solution for Industrial Professionals

The 18L ST18 ultrasonic cleaner is a high-capacity, industrial-grade ultrasonic cleaning system offering unmatched efficiency and precision. With its advanced ultrasonic technology, durable 316-grade stainless steel construction, and powerful transducers, it is the perfect choice for professionals in medical, automotive, manufacturing, electronics, and other industries.

Unisonics is dedicated to delivering high-performance ultrasonic cleaners that meet the highest industry standards. Whether your business requires a custom solution or a ready-to-use industrial cleaner, the ST18 ultrasonic cleaner provides an effective, eco-friendly, and reliable solution for all cleaning applications. Additionally, Unisonics offers a 24-hour warranty response time and a 30-day trial period, ensuring customers feel confident in their investment.

For expert advice, customisation options, or to learn more about how the 18L ST18 ultrasonic cleaner can enhance your cleaning processes, contact us today.

The Unisonics ST range is an industrial style ultrasonic cleaner, that is durable inside and outside the tank with a full 316 grade stainless steel construction.

	Length	Width	Depth
Tank	300mm	300mm	200mm
Basket	250mm	250mm	150mm

Mesh Basket Included

Every ultrasonic cleaner includes a stainless steel mesh basket to suspend all your items, with different mesh aperture options available at no extra cost.

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Frequently Asked Questions

Where can I purchase the ST18 ultrasonic cleaner?

You can order directly from Unisonics Australia's official website, where we also provide local support, expert advice, and complete customisation options.

How do I maintain the ST18 ultrasonic cleaner?

Routine maintenance includes changing the cleaning solution, cleaning the tank, and routine efficiency testing for optimal performance.

Does the ST18 ultrasonic cleaner support temperature control?

Yes, it features adjustable heating settings to optimise the cleaning process for different materials.

How long does a cleaning cycle take in the ST18?

Cleaning cycles typically range from 10 to 30 minutes, depending on the level of contamination and the type of material.

What cleaning solutions should be used with the ST18 ultrasonic cleaner?

The right ultrasonic cleaning solution depends on the material and contaminants; Unisonics provides guidance on the best options.

Can the ST18 ultrasonic cleaner handle delicate items?

Yes, it is safe for textile machinery, electronics, optical instruments, and precision tools when used with the correct settings.

How does ultrasonic cleaning work in the ST18?

It uses high-frequency sound waves to create microscopic bubbles that break down contaminants without damaging delicate surfaces.

Does the ST18 ultrasonic cleaner remove rust and oxidation?

Yes, when used with the appropriate ultrasonic cleaning solution, it can remove light rust, oxidation, and corrosion from metal surfaces.

What industries benefit most from the ST18 ultrasonic cleaner?

This cleaner is widely used in medical, manufacturing, automotive, aerospace, electronics, and textile industries.

What is the capacity of the ST18 ultrasonic cleaner?

The ST18 ultrasonic cleaner has an 18L tank capacity, making it suitable for medium-sized industrial components and delicate instruments.