Amprobe AMP-220
#6 in AC/DCFull review
An accurate AC/DC clamp for motor and drive maintenance, priced above rivals with similar features.
Amazon $243.99$243.99
The Amprobe AMP-220 is the better clamp meter overall, rated 3.5 to 3.3. The Amprobe AMP-220 leads on safety rating, features and jaw opening. The UNI-T UT204R wins on price. The UNI-T UT204R costs $167.50 less ($76.49 vs $243.99).
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.
UNI-T UT204R
#9 in AC/DCFull review
A low-cost AC/DC clamp for car, solar and household work where a high safety rating isn’t needed.
Amazon $76.49$76.49
Which should you buy?
- Choose the Amprobe AMP-220 for safety rating (CAT III 600 V vs CAT III 300 V / CAT II 600 V), features (true RMS, inrush, non-contact voltage, low-pass filter vs true RMS, non-contact voltage, temperature) and jaw opening (35 mm jaw vs 28 mm jaw).
- Choose the UNI-T UT204R for price ($76.49 vs $243.99).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every AC/DC clamp meter; a clear win is highlighted. How we rank explains each one.
| Factor weight | Amprobe AMP-220 | UNI-T UT204R |
|---|---|---|
| Overall rating | 3.5/5 | 3.3/5 |
| Current range 15% | 60 600 A through the jaw | 60 600 A through the jaw |
| DC current 15% | 100 DC current to 600 A through the jaw | 100 DC current to 600 A through the jaw |
| Safety rating 20% | 55 CAT III 600 V | 25 CAT III 300 V / CAT II 600 V |
| Features 15% | 60 true RMS, inrush, non-contact voltage, low-pass filter | 45 true RMS, non-contact voltage, temperature |
| Accuracy 10% | 80 1.8% of reading | 50 current accuracy not published (neutral score used) |
| Jaw opening 5% | 50 35 mm jaw | 27 28 mm jaw |
| Warranty 10% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
| Price 10% | 31 $243.99 | 82 $76.49 |
Specifications
| Amprobe AMP-220 | UNI-T UT204R | |
|---|---|---|
| Measurement | ||
| AC current (jaw) | 600 A | 600 A |
| DC current (jaw) | 600 A | 600 A |
| Voltage | - | 600 V |
| Current accuracy | 1.8% of reading | - |
| Jaw opening | 35 mm | 28 mm |
| Safety | ||
| CAT rating | CAT III 600 V | CAT III 300 V / CAT II 600 V |
| Features | ||
| True RMS | Yes | Yes |
| Inrush | Yes | No |
| LoZ mode | No | No |
| Non-contact voltage | Yes | Yes |
| Low-pass filter | Yes | No |
| Temperature | No | Yes |
| Phone app | No | No |
| Build | ||
| Weight | - | 235 g |