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
Specification status: Preliminary catalog specifications. Confirm all design-critical values with engineering before design freeze.
Technical Specifications
Available catalog specifications are shown below. Missing groups remain omitted instead of being filled with generic values; procurement entries are project-specific guidance.
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.
Engineering Tools and Supplier Resources
Estimate common PZT design parameters before sending an RFQ.
See material control, customization scope, and engineering support.
Review material grades and selection criteria.
Request Specifications & Pricing for HJ-300ML
Get detailed datasheets, OEM pricing, and lead time for the HJ-300ML. MOQ is project-specific and confirmed after the frequency, mounting, and validation scope are reviewed. 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 |
|---|
Procurement
| MOQ / Sample Policy | MOQ is project-specific and confirmed after the frequency, mounting, and validation scope are reviewed.PROJECT-SPECIFIC |
|---|---|
| Sample Lead Time | Sample availability and lead time are confirmed after frequency, mounting, and tank parameters are reviewed.PROJECT-SPECIFIC |
| Production Lead Time | Production lead time is quoted after quantity, stud requirements, and bonding configuration are confirmed.PROJECT-SPECIFIC |
| Customization Scope | Common OEM options include frequency matching, bolt thread, ceramic stack adjustment, cable length, and mounting envelope.PROJECT-SPECIFIC |
| Available Documents & Reports | We can usually provide outgoing resonance / impedance data, batch inspection records, and basic consistency reports for cleaning projects.PROJECT-SPECIFIC |