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Best Built SD-330HT — available in 115V or 220V (export version). The Best Built ultrasonics are among the most powerful professional-grade units available, outperforming comparable models in side-by-side aluminum foil testing with noticeably more perforation — a reliable indicator of ultrasonic cleaning power. These units deliver the kind of force that busy jewelry shops demand: rapid, thorough removal of greasy polishing compounds from the most difficult-to-reach areas.
The SD-330HT features a thermostatically adjustable heating element so you can dial in your preferred working temperature for optimal results. Simple analog controls — including German-made timers and switches — keep operation intuitive and servicing straightforward. The timer is adjustable from 0 to 30 minutes, and illuminated on/off switches confirm status at a glance. A stainless steel lid and full stainless steel construction round out this workhorse unit.
| Model | Best Built SD-330HT |
|---|---|
| Tank Capacity | 3.5 quarts / 3.3 liters / 0.86 gallons |
| Overall Dimensions | 11-1/2" L × 6-1/2" W × 10" Deep |
| Tank Dimensions | 9-3/8" L × 5-1/2" W × 3-7/8" Deep |
| Input Power | 100 watts |
| Output Frequency | 40 kHz |
| Temperature Range | 86°F – 185°F (30°C – 85°C) |
| Timer Range | 0 – 30 minutes |
| Operating Volume | 90 decibels |
| Warranty | 1 year (unit); 2 years (transducers) |
| Part # | Voltage |
|---|---|
| 123.413 | 115V |
| 123.413-220V | 220V (Export) |
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