Portable Ultrasonic Cleaning Transducer | HJ-300ML
The Yujie HJ-300ML is a compact ultrasonic cleaning transducer with a 300ml bowl capacity, operating at 49 kHz. Perfect for cleaning jewelry, small electronics components, and personal items with precision and efficiency.
Features & Applications
Technical Specifications
Each product is organized for procurement review: core performance, fit and mounting, operating limits, integration notes, and RFQ-ready supply terms.
Application Fit
- •Jewelry (gold, silver, platinum)
- •Watchstraps
- •Coins and collectibles
- •Small PCB boards
- •Toothbrushes & dentures
- •Electrical components
- •Make-up cases
- •Tattoo needles
- •Knives, bayonets, and militaria
- •Note: Not recommended for cleaning gemstones such as opal, pearl, emerald, tanzanite, malachite, turquoise, lapis, and coral.
Applications
- •Jewelry (gold, silver, platinum)
- •Watchstraps
- •Coins and collectibles
- •Small PCB boards
- •Toothbrushes & dentures
- •Electrical components
- •Make-up cases
- •Tattoo needles
- •Knives, bayonets, and militaria
- •Note: Not recommended for cleaning gemstones such as opal, pearl, emerald, tanzanite, malachite, turquoise, lapis, and coral.
Need Engineering Support for HJ-300ML?
Send tank size, target frequency, bonded or bolt-on mounting, duty cycle, and quantity to receive a matched quotation.
Request Specifications & Pricing for HJ-300ML
Get detailed datasheets, OEM pricing, and lead time for the HJ-300ML. Standard cleaning transducer projects usually start from 10 pcs for pilot validation, with lower quantities possible for existing tooling. We can usually provide outgoing resonance / impedance data, batch inspection records, and basic consistency reports for cleaning projects.
The email opens pre-filled with a short spec checklist — partial details are fine. Typical reply within one business day.
Key Specifications
Performance
| Model | HJ-300ML |
|---|---|
| Resonance Frequency | 49 ± 5% kHz |
| Impedance (Zr) | < 250 Ω |
| Quality Factor (Qm) | ≥ 50 |
| Static Capacitance (Co) | 8 ± 5% nF |
| Input Power | 30 - 60 W |
| Bowl Volume | 300 ml |
Mechanical
| Dimensions | 170.2 × 77.2 × 40 mm |
|---|
Operating Limits
| Supply Voltage | 3 - 48 V |
|---|
Integration
| RFQ Guidance | Generator matching, cable termination, and installation method are usually finalized during RFQ and pilot validation. |
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Procurement
| MOQ / Sample Policy | Standard cleaning transducer projects usually start from 10 pcs for pilot validation, with lower quantities possible for existing tooling. |
|---|---|
| Sample Lead Time | Sample lead time is commonly 5-10 working days after frequency, mounting, and tank parameters are confirmed. |
| Production Lead Time | Typical production lead time is 3-5 weeks depending on quantity, stud requirements, and bonding configuration. |
| Customization Scope | Common OEM options include frequency matching, bolt thread, ceramic stack adjustment, cable length, and mounting envelope. |
| Available Documents & Reports | We can usually provide outgoing resonance / impedance data, batch inspection records, and basic consistency reports for cleaning projects. |