Best Clamp Meters Under $100 (2026)
We selected meters under $100 by comparing spec sheets for True RMS, measurement ranges, clamp jaw size, safety features, and calculated a value score
The Verdict
- Best Overall: KAIWEETS Digital Clamp Meter with D-Jaw — Best budget pick: compact D-jaw clamp with True RMS for basic AC/DC measurements and tight spaces
- Best Value: Proster Digital Clamp Meter 6000 Count, TRMS, 800A — Best basic multimeter combo: 6000-count TRMS readings and 800A capacity for general electrical troubleshooting
This roundup identifies clamp meters under $100 that deliver accurate electrical measurements and practical features for DIYers and trade professionals. Picks were chosen by weighing measurement capability (True RMS, AC/DC range), clamp jaw size, safety ratings, and overall value score from product specifications
Top Picks
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1
Best Overall KAIWEETS Digital Clamp Meter with D-Jaw
Best budget pick: compact D-jaw clamp with True RMS for basic AC/DC measurements and tight spaces
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 option: combines a clamp meter with voltage testing tools for broader residential 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 high-current tasks: wide 30–1000A range and inrush function for motor startup and heavy circuits
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 multimeter combo: 6000-count TRMS readings and 800A capacity for general electrical troubleshooting
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
Klein Tools CL220 Digital Clamp Meter
Best all-round electrician choice: AC/DC voltage and TRMS with NCV for safe, versatile site testing
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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6
MESTEK TRMS Clamp Meter Multimeter 6000 Counts
Best mid-range value: True RMS 600A capacity and 6000-count resolution suited to diverse measurement needs
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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7
Klein Tools CL120KIT Clamp Meter with GFCI tester
Best for safety-minded pros: includes GFCI testing alongside clamp functions for thorough electrical inspections
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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8
Proster Digital Clamp Meter with True RMS
Best compact TRMS meter: straightforward True RMS readings in a small package for routine 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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9
Klein Tools CL320 Digital Clamp Meter for HVAC
Best for HVAC work: features aimed at HVAC diagnostics including AC/DC voltage ranges and HVAC-relevant functions
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
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10
UNI-T UT203+ Digital Clamp Meter AC/DC True RMS
Best balanced utility: AC/DC True RMS measurements with solid feature set for general purpose electrical and current work
Compact clamp meter with AC/DC current measurement and True RMS. Includes voltage up to 600V and high voltage frequency measurement; features protection and alarms. Customers cite excellent build quality and value for money
- True RMS with AC/DC current
- 600V voltage measurement
- Backlit display and alarms