Klein Tools CL900

Last updated: November 9, 2026

Klein Tools CL900
4.4/5#3 of 5 in 1,000 A and up clamp meters
4.4

A rugged 2,000 A AC/DC clamp that gives electricians most of a premium meter’s features at a mid-range price.

  • 2,000 AAC current
  • 2,000 ADC current
  • CAT IV 600 V / CAT III 1,000 VSafety
  • 51 mmJaw
Check price at Amazon$182.65

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

Pros
  • Reads 2,000 A AC and DC through a 2 in jaw, enough for large services and feeders
  • Inrush, LoZ and non-contact voltage for motor and ghost-voltage troubleshooting
  • Rated CAT IV 600 V / CAT III 1000 V
Cons
  • Heavy at 526 g
  • No DC microamps for flame sensors

How it scores

The rating comes from 8 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.

Specifications

Model numberCL900
Measurement
AC current (jaw)2,000 A
DC current (jaw)2,000 A
Voltage1,000 V
Current accuracy2% of reading
Jaw opening51 mm
Safety
CAT ratingCAT IV 600 V / CAT III 1,000 V
Features
True RMSYes
InrushYes
LoZ modeYes
Non-contact voltageYes
Low-pass filterNo
TemperatureYes
Phone appNo
Build
Weight526 g
Warranty2 years

Alternatives in this type

Compare

Compare the Klein Tools CL900 with any other clamp meter →

More from Klein Tools: every Klein Tools product ranked.