EIWEI CD-E3 3L Dual-Frequency

Last updated: November 9, 2026

EIWEI CD-E3 3L Dual-Frequency
3.5/5#4 of 10 in 3 to 10 L ultrasonic cleaners
3.5

A 3 L dual-frequency tank with degas, for buyers who want a gentler 40 kHz setting and a stronger 28 kHz one in a small footprint.

  • 3 LTank
  • 120 WUltrasonic
  • 28/40 kHzFrequency
Check price at Amazon$117.98

Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • Switches between 28 kHz for heavy grime and 40 kHz for finer parts
  • Seamless one-piece 1 mm SUS304 tank resists leaks
  • Timer runs to 99 minutes
Cons
  • Listing does not mention a basket
  • Heater wattage and warranty not published

The EIWEI CD-E dual-frequency family

Every EIWEI CD-E dual-frequency model we rank, smallest first. Ratings compare each against its own tank size.

ModelTankRatingPrice
EIWEI CD-E3 3L Dual-Frequency (this one)3 L3.5/5$117.98
EIWEI CD-E6 6L Dual-Frequency6 L2.9/5$199.99

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 numberCD-E3
Tank
Capacity3 L
Inner tank size24 x 14 x 10 cm
Tank steelSUS304 stainless
Price per liter$39.33/L
Ultrasonics and heat
Ultrasonic power120 W
Ultrasonic power per liter40 W/L
Frequency28/40 kHz
Temperature rangeUp to 80 °C
Controls
ControlsDigital
Longest timer99 min
Degas modeYes
Gentle or adjustable powerYes
Build
Weight7.1 lb

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