Extech EX655 vs UNI-T UT216C

Last updated: November 9, 2026

The Extech EX655 is the better clamp meter overall, rated 3.7 to 3.5. The UNI-T UT216C wins on price and features. The UNI-T UT216C costs $59.21 less ($114.29 vs $173.50).

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.

Extech EX655 vs UNI-T UT216C

Which should you buy?

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 weightExtech EX655UNI-T UT216C
Overall rating3.7/53.5/5
Current range 15%60 600 A through the jaw60 600 A through the jaw
DC current 15%100 DC current to 600 A through the jaw100 DC current to 600 A through the jaw
Safety rating 20%55 CAT III 600 V / CAT II 1,000 V55 CAT III 600 V / CAT II 1,000 V
Features 15%60 true RMS, inrush, non-contact voltage, temperature70 true RMS, inrush, non-contact voltage, low-pass filter, temperature
Accuracy 10%33 2.5% of reading33 2.5% of reading
Jaw opening 5%33 30 mm jaw33 30 mm jaw
Warranty 10%100 3-year warranty0 warranty not published, scored as none
Price 10%46 $173.5064 $114.29

Specifications

Extech EX655UNI-T UT216C
Measurement
AC current (jaw)600 A600 A
DC current (jaw)600 A600 A
Voltage1,000 V-
Current accuracy2.5% of reading2.5% of reading
Jaw opening30 mm30 mm
Safety
CAT ratingCAT III 600 V / CAT II 1,000 VCAT III 600 V / CAT II 1,000 V
Features
True RMSYesYes
InrushYesYes
LoZ modeNoNo
Non-contact voltageYesYes
Low-pass filterNoYes
TemperatureYesYes
Phone appNoNo
Build
Weight265 g232 g
Warranty3 years-

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