{"product_id":"dual-frequency-28-40khz-60w-piezoelectric-ultrasonic-transducer","title":"Dual Frequency 28\/40KHz 60W Piezoelectric Ultrasonic Transducer","description":"\n\u003ch2\u003eGranbo Dual Frequency Piezoelectric Ultrasonic Transducer — 28\/40KHz, 60W\u003c\/h2\u003e\n\u003cp\u003eUpgrade your industrial or professional ultrasonic cleaning setup with the \u003cstrong\u003eGranbo GB-382840-4SH Dual Frequency Piezoelectric Ultrasonic Transducer\u003c\/strong\u003e. Engineered for demanding applications, this 60W transducer operates at both \u003cstrong\u003e28KHz and 40KHz\u003c\/strong\u003e, giving you the flexibility to switch between deeper cavitation energy (28KHz) and finer, more precise cleaning action (40KHz) — all in a single robust unit.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Frequency Operation:\u003c\/strong\u003e Switchable between 28KHz and 40KHz to suit different cleaning tasks — from heavy-duty industrial degreasing to fine precision cleaning of delicate components.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e60W Rated Power:\u003c\/strong\u003e Delivers consistent, high-output acoustic energy for efficient and thorough cleaning performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium Construction:\u003c\/strong\u003e Built with an alloy aluminum and stainless steel housing for superior durability, corrosion resistance, and long service life.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Resonance Impedance:\u003c\/strong\u003e ≤15Ω resonance impedance ensures maximum energy transfer efficiency to the cleaning medium.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecise Piezoceramic Element:\u003c\/strong\u003e Piezoceramic size 38-15×5.0mm provides stable, reliable acoustic output with minimal energy loss.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e Dimensions D 64mm × H 68mm with a weight of just 0.45KG\/unit — easy to install and integrate into existing systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStable Capacitance:\u003c\/strong\u003e Static capacity of 4900–5200 pF for consistent frequency matching and predictable performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eGranbo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eGB-382840-4SH\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eFrequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e28KHz \/ 40KHz (Dual Frequency)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e60W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eAlloy Aluminum + Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePiezoceramic Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e38-15×5.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eResonance Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e≤15Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eStatic Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e4900–5200 pF\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eD 64mm × H 68mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e0.45KG \/ unit\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThis transducer is ideal for engineers, technicians, and manufacturers who require a high-performance ultrasonic cleaning component for industrial equipment, laboratory instruments, electronics, jewelry, optical parts, medical instruments, and precision mechanical components. Its dual-frequency design makes it one of the most versatile transducer options on the market.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/nitrile-work-gloves-anti-slip-full-finger-5-pair\"\u003e5-Pair Nitrile Work Gloves – Anti-Slip Full Finger Safety\u003c\/a\u003e — keep your hands protected while handling transducer assemblies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/10-pack-65mm-oscillating-multi-tool-saw-blades-high-carbon-steel\"\u003e10-Pack 65mm Oscillating Multi-Tool Saw Blades | Carbon Steel\u003c\/a\u003e — another precision industrial tool for your workshop.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/ball-end-hex-screwdriver-bit-magnetic-reduced-shank-steel\"\u003eBall End Hex Screwdriver Bit – Magnetic Reduced Shank Steel\u003c\/a\u003e — great for securing transducer mounting hardware.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between the 28KHz and 40KHz frequencies on this ultrasonic transducer?\u003c\/h4\u003e\n\u003cp\u003eA: The 28KHz frequency produces larger cavitation bubbles that deliver more aggressive acoustic energy — ideal for heavy-duty industrial cleaning of robust parts and removing tough contaminants. The 40KHz frequency creates smaller, more numerous bubbles for gentler, finer cleaning action suited to delicate or precision components such as electronics and optical parts. The dual-frequency design of this Granbo GB-382840-4SH transducer gives you the versatility to handle both types of cleaning tasks.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this ultrasonic transducer compatible with my existing ultrasonic cleaner?\u003c\/h4\u003e\n\u003cp\u003eA: This transducer is designed as a replacement or upgrade component for industrial ultrasonic cleaning systems that support 28KHz or 40KHz operation at 60W. It features standard alloy aluminum and stainless steel construction (D 64mm × H 68mm) and a static capacitance of 4900–5200 pF. We recommend verifying your generator's frequency and power output specifications match these ratings before installation.\u003c\/p\u003e\n\u003ch4\u003eQ: How many transducers do I need for my ultrasonic cleaning tank?\u003c\/h4\u003e\n\u003cp\u003eA: The number of transducers required depends on the size of your cleaning tank and the desired power density (typically 10–30W per liter of cleaning volume). For best results, calculate your tank's volume in liters and divide by the desired watt-per-liter ratio to determine how many 60W units you need. Multiple transducers can be mounted to distribute acoustic energy evenly across the tank.\u003c\/p\u003e\n\u003ch4\u003eQ: What materials are used in the construction of this transducer?\u003c\/h4\u003e\n\u003cp\u003eA: The Granbo GB-382840-4SH is constructed using a combination of alloy aluminum and stainless steel, offering an excellent balance of lightweight handling and corrosion resistance — making it well-suited for continuous use in wet industrial cleaning environments.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between the 28KHz and 40KHz frequencies on this ultrasonic transducer?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 28KHz frequency produces larger cavitation bubbles that deliver more aggressive acoustic energy — ideal for heavy-duty industrial cleaning of robust parts and removing tough contaminants. The 40KHz frequency creates smaller, more numerous bubbles for gentler, finer cleaning action suited to delicate or precision components such as electronics and optical parts. 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