Elmasonic P30H
#3 in Under 3 LFull review
A dual-frequency lab and dental bath with every cleaning mode, for work where 80 kHz matters. Its price only makes sense for that kind of work.
Amazon $1,699$1,699
The Elmasonic P30H is the better ultrasonic cleaner overall, rated 3.2 to 2.3. The Elmasonic P30H leads on features. The iSonic P4810 2L Ultrasonic Cleaner wins on value. The iSonic P4810 2L Ultrasonic Cleaner costs $1,590.14 less ($108.86 vs $1,699).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
iSonic P4810 2L Ultrasonic Cleaner
#5 in Under 3 LFull review
A 2 L tank aimed at brass, gun parts and small carburetor pieces. The fixed 60 °C heater and plastic basket make it plainer than its price suggests.
Amazon $108.86$108.86
Which should you buy?
- Choose the Elmasonic P30H for features (degas mode, dual or sweep frequency, gentle or adjustable power, drain valve vs basket included).
- Choose the iSonic P4810 2L Ultrasonic Cleaner for value ($54.43 per liter ($108.86, 2 L) vs $617.82 per liter ($1,699, 2.8 L)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every under 3 L ultrasonic cleaner; a clear win is highlighted. How we rank explains each one.
| Factor weight | Elmasonic P30H | iSonic P4810 2L Ultrasonic Cleaner |
|---|---|---|
| Overall rating | 3.2/5 | 2.3/5 |
| Value 30% | 0 $617.82 per liter ($1,699, 2.8 L) | 44 $54.43 per liter ($108.86, 2 L) |
| Ultrasonic power 25% | 84 43.6 W per liter (120 W, 2.8 L) | 0 ultrasonic power not published, scored as none |
| Heater 10% | 100 90.9 W per liter (250 W heater) | 50 heater power not published (neutral score used) |
| Features 25% | 70 degas mode, dual or sweep frequency, gentle or adjustable power, drain valve | 15 basket included |
| Warranty 10% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| Elmasonic P30H | iSonic P4810 2L Ultrasonic Cleaner | |
|---|---|---|
| Tank | ||
| Capacity | 2.8 L | 2 L |
| Inner tank size | 240 x 137 x 100 mm | 7.2 x 6 x 3 in |
| Drain | Yes | - |
| Basket included | - | Yes |
| Price per liter | $617.82/L | $54.43/L |
| Ultrasonics and heat | ||
| Ultrasonic power | 120 W | - |
| Ultrasonic power per liter | 43.6 W/L | - |
| Frequency | 37/80 kHz sweep | 35 kHz |
| Heater power | 250 W | - |
| Heater power per liter | 90.9 W/L | - |
| Temperature range | - | Fixed at 60 °C (140 °F) |
| Controls | ||
| Controls | Digital | - |
| Longest timer | - | 30 min |
| Degas mode | Yes | - |
| Gentle or adjustable power | Yes | - |
| Build | ||
| Weight | 7.3 lb | 6 lb |