Best Clamp Meters · head-to-head

Klein Tools CL800 Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ) vs UNI-T UT210E Mini Digital Clamp Meter

A sourced, side-by-side comparison. UNI-T UT210E Mini Digital Clamp Meter is cheaper at $62.18. Every spec and price links to its source.

Which is better: the Klein Tools CL800 Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ) or UNI-T UT210E Mini Digital Clamp Meter?

On the specs we track, they're closely matched. The UNI-T UT210E Mini Digital Clamp Meter is the cheaper at $62.18.

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Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Klein Tools CL800 Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ) UNI-T UT210E Mini Digital Clamp Meter
US price $152.54 $62.18
BrandKlein ToolsUNI-T
Released
Ac current range 600 A 100.00 A (2.000 A / 20.00 A / 100.00 A subranges)
Dc current range 600 A 100.00 A
Jaw opening 1.38 in (3.5 cm) 17 mm
Ac dc voltage range 1000 V AC/DC 600 V AC / 600 V DC
True rms Yes Yes
Resistance continuity 60 MΩ max, with continuity 20 MΩ, with continuity buzzer
Capacitance 6000 µF 20 mF
Temperature -14°F to 1000°F (-26°C to 538°C), via included thermocouple -40°C to 1000°C (-40°F to 1832°F)
Cat safety rating CAT IV 600V / CAT III 1000V
Display count 6000 2000

Sources — Klein Tools CL800 Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ): digikey.com (verified 2026-08-05). UNI-T UT210E Mini Digital Clamp Meter: tameson.com (verified 2026-08-05).

What's the difference between the Klein Tools CL800 Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ) and UNI-T UT210E Mini Digital Clamp Meter?

Where the two actually differ on the specs we track (8 of 10). Matching specs are omitted.

  • Ac current range: Klein Tools CL800 Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ) 600 A vs UNI-T UT210E Mini Digital Clamp Meter 100.00 A (2.000 A / 20.00 A / 100.00 A subranges)
  • Dc current range: Klein Tools CL800 Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ) 600 A vs UNI-T UT210E Mini Digital Clamp Meter 100.00 A
  • Jaw opening: Klein Tools CL800 Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ) 1.38 in (3.5 cm) vs UNI-T UT210E Mini Digital Clamp Meter 17 mm
  • Ac dc voltage range: Klein Tools CL800 Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ) 1000 V AC/DC vs UNI-T UT210E Mini Digital Clamp Meter 600 V AC / 600 V DC
  • Resistance continuity: Klein Tools CL800 Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ) 60 MΩ max, with continuity vs UNI-T UT210E Mini Digital Clamp Meter 20 MΩ, with continuity buzzer
  • Capacitance: Klein Tools CL800 Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ) 6000 µF vs UNI-T UT210E Mini Digital Clamp Meter 20 mF
  • Temperature: Klein Tools CL800 Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ) -14°F to 1000°F (-26°C to 538°C), via included thermocouple vs UNI-T UT210E Mini Digital Clamp Meter -40°C to 1000°C (-40°F to 1832°F)
  • Display count: Klein Tools CL800 Digital Clamp Meter, AC Auto-Range TRMS, Low Impedance (LoZ) 6000 vs UNI-T UT210E Mini Digital Clamp Meter 2000

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