EIWEI CD-E6 6L Dual-Frequency
#7 in 3 to 10 LFull review
A 6 L dual-frequency tank with degas and a long timer. Its listing does not say how much ultrasonic power it has.
Amazon $199.99$199.99
6 L28/40 kHz
2.6/5
A programmable 5.7 L lab bath for labs that need repeatable runs. Shop users get far more tank for the money elsewhere.
- 5.7 LTank
- 40 kHz sweepFrequency
Check price at Amazon$1,599
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Sweep frequency and power tracking for consistent results run to run
- Programmable degas and temperature-triggered start
- Drain valve and a two-year warranty
Cons
- Very expensive per liter
- Branson does not publish its ultrasonic or heater wattage
- Basket sold separately
The Branson CPXH family
Every Branson CPXH model we rank, smallest first. Ratings compare each against its own tank size.
| Model | Tank | Rating | Price |
|---|---|---|---|
| Branson CPX3800H (this one) | 5.7 L | 2.6/5 | $1,599 |
| Branson CPX5800H | 9.5 L | 2.7/5 | $1,851.99 |
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its tank size. How we rank explains each one.
Specifications
| Model number | CPX-952-318R |
|---|---|
| Tank | |
| Capacity | 5.7 L |
| Inner tank size | 290 x 150 x 150 mm (11.5 x 6 x 6 in) |
| Drain | Yes |
| Basket included | No |
| Price per liter | $280.53/L |
| Ultrasonics and heat | |
| Frequency | 40 kHz sweep |
| Temperature range | Up to 69 °C (156.2 °F) |
| Controls | |
| Controls | Digital |
| Longest timer | 99 min |
| Degas mode | Yes |
| Gentle or adjustable power | Yes |
| Build | |
| Weight | 12 lb |
| Warranty | 2 years |
Alternatives in this tank size
Branson CPX5800H
#8 in 3 to 10 LFull review
A 9.5 L programmable lab bath for repeatable processes. For cleaning parts, the price is hard to justify.
Amazon $1,851.99$1,851.99
9.5 L40 kHz sweep
iSonic P4860 6L Ultrasonic Cleaner
#10 in 3 to 10 LFull review
A long 6 L tank for parts that will not fit a square one. Import tanks give more features for less.
Amazon $379$379
6 L36 kHz
Compare
Compare the Branson CPX3800H with any other ultrasonic cleaner →
More from Branson: every Branson product ranked.