Best Clamp Meters Under $100 (2026)
We ranked meters by a value score combining measurement capabilities (true-RMS, AC/DC range), safety features, jaw size, and overall feature set for under-(price varies) options
The Verdict
- Best Overall: KAIWEETS Digital Clamp Meter with D-Jaw — Best budget option: compact D-jaw design with true-RMS for basic AC/DC troubleshooting
- Best Value: Proster Digital Clamp Meter 6000 Count, TRMS, 800A — Best basic TRMS unit: 6000-count display and 800A range for general electrical tasks
- Best Premium: Fluke 302+ Digital Clamp Meter, 30 mm Jaw — Best professional build: rugged design with a 30 mm jaw for consistent field reliability
Top Picks
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1
Best Overall KAIWEETS Digital Clamp Meter with D-Jaw
Best budget option: compact D-jaw design with true-RMS for basic AC/DC troubleshooting
Digital clamp meter with auto-ranging 4000 counts for AC/DC current and voltage, temperature, NCV, and backlit display. Versatile and easy to use, valued for functionality and build quality
- TRUE-RMS AC/DC measurements
- Auto-ranging 4000 counts
- D-shaped jaw with backlight
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2
Klein Tools CL120VP Electrical Voltage Test Kit with Clamp Meter
Best electrical kit: includes clamp meter plus voltage testing tools for broader electrical diagnostics
Electrical clamp meter kit for AC current, voltage, resistance, and continuity testing with test leads and holder. Positive feedback on usability and value, with some durability concerns noted
- auto-ranging measurements
- combined clamp meter and voltage tester
- complete kit with pouch and batteries
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3
AstroAI Inrush Digital Clamp Meter Multimeter 1000A TRMS
Best for inrush checks: wide current range and inrush function suited to motor and startup measurements
Digital clamp meter measures AC/DC current up to 1000 A and voltage up to 1000 V DC/750 V AC, with capacitance, frequency, resistance, and more. Customers note ease of use and value for money, with mixed views on accuracy and voltage readings
- 1000 A TRMS current measurement
- broad voltage range up to 1000 V DC/750 V AC
- versatile measurements (capacitance, frequency, resistance, temperature, duty cycle)
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4
Best Value Proster Digital Clamp Meter 6000 Count, TRMS, 800A
Best basic TRMS unit: 6000-count display and 800A range for general electrical tasks
Digital clamp meter with TRMS for AC/DC voltage, current, resistance, capacitance, frequency, diode test and continuity. Provides portable utility with test leads and clips; customers cite good value and ease of use, though some note screen size and accuracy variances
- true rms measurement
- multifunction testing (voltage/current/resistance/Capacitance/Frequency)
- included test leads and clips
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5
Best Premium Fluke 302+ Digital Clamp Meter, 30 mm Jaw
Best professional build: rugged design with a 30 mm jaw for consistent field reliability
Compact clamp meter with a 30 mm jaw for large conductors, measuring AC current up to 400 A, AC/DC voltage up to 600 V, plus resistance, continuity, and capacitance. Includes TL75 test lead set for general purpose tasks
- 30 mm jaw for large conductors
- 400 A AC current range
- robust safety ratings (CAT IV/ CAT III)
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6
Klein Tools CL220 Digital Clamp Meter
Best all-rounder: TRMS readings with NCV for combined current, voltage, and live-wire detection
Digital clamp meter with auto-ranging TRMS measurements for AC current, AC/DC voltage, resistance, continuity, and temperature. NCVT detection and backlit display for easy testing in low light. Customers cite versatility, reliable functionality, and good build quality
- TRMS measurement for accuracy
- integrated NCVT and temperature sensing
- auto-ranging with backlit display
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7
MESTEK TRMS Clamp Meter Multimeter 6000 Counts
Best mid-range TRMS: 6000 counts and 600A capacity for accurate residential and light commercial work
True-RMS clamp meter measuring AC/DC current up to 600A and voltage up to 600V, plus resistance, capacitance, continuity, and temperature. Customers note clear display and ease of use with good value for money
- 600A AC/DC current capability
- 600V AC/DC voltage range
- TRUE-RMS measurement
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8
Klein Tools CL120KIT Clamp Meter with GFCI tester
Best kit with GFCI tester: combines clamp metering and GFCI verification for safe outlet diagnostics
Clamp meter measures AC current, AC/DC voltage, resistance and continuity with auto-ranging. Includes GFCI tester, leads, pouch and support accessories for hands-free use
- versatile clamp meter functionality
- auto-ranging for accuracy
- includes GFCI tester and accessories
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9
Proster Digital Clamp Meter with True RMS
TRMS pick: balances true-RMS capability with compact size for everyday electrical checks
Compact clamp meter for AC/DC voltage, current, resistance, capacitance, and more. Accurate readings and portable design, though some users note mixed voltage accuracy and build quality
- true rms capability
- multiple measurement functions
- compact clamp design
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10
Klein Tools CL320 Digital Clamp Meter for HVAC
Best for HVAC techs: HVAC-focused measurements and voltage functions tailored to field service work
Digital clamp meter for AC/DC voltage, current, resistance, and more. Includes thermocouple temperature and NCVT; praised for quality and HVAC usefulness. Some users note capacitance readings may be inaccurate
- HVAC-focused clamp meter with thermocouple
- AC/DC voltage and current measurement
- TRMS readings and multiple tests