10 Best Clamp Meters True-rms
#1 Best Pick
Klein Tools CL150 Flexible AC Clamp Meter – True RMS Current Meter with 18-Inch Flexible Clamp, Backlit LCD, Auto Power-Off, CAT IV 600V / CAT III 1000V
Brand: KLEIN TOOLS
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- Flexible AC Current Clamp Meter – Designed for measuring AC current only, ideal for quick diagnostics and troubleshooting in electrical panels and tight spaces
- 18-Inch Flexible Clamp Design – Extra-long flexible clamp allows easy access around bundled wires, large conductors, PLC cabinets, and hard-to-reach areas
- True RMS Accuracy – Provides accurate True RMS current readings on non-linear loads commonly found in commercial and industrial environments
- High-Visibility Backlit Display – 3000-count backlit LCD delivers clear, easy-to-read measurements in low-light conditions
- Rugged & Jobsite Ready – Durable construction with 2 m (6.6 ft) drop protection for dependable performance on the job
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#2 Best Value
AC/DC Digital Clamp Meter T-RMS 6000 Counts, Multimeter Voltage Tester Auto-ranging, NCV AC DC Current Voltage Resistance Capacitance Frequency Diode Temperature Measure Tester HT206D
Brand: intendvision
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- Multifunctional Clamp Meter with True RMS: Accurate AC/DC voltage, AC/DC current, frequency, duty cycle, diode test, capacitance and resistance measurement. Automatically ranging true mean squared (TRMS) technology for increased accuracy.
- NCV Function & LPF Function: Non-contact voltage detection function with a sensor to detect voltage and avoid electric shock without touching any wires. LPF function filters out the influence of high-frequency signal on the measurement results, so that the multimeter can measure more electrical parameters.
- Temperature Measurement & Other Functions: With temperature measurement function that can be used for HVAC system inspection. With large LCD backlight display and data hold function, convenient to read data in dark. Additional features such as auto range, low battery indication, auto power off.
- Jaw Opening: The clamp measures the AC DC current in a conductor up to 25mm without interrupting the circuit. RECOMMENDED FOR YOU
- Power: 2 x AAA 1.5V Battery (Not Included). If you have any questions, please contact us through Amazon internal information. We attach great importance to the buyer experience and will solve the problem for you in a timely manner.
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#3 Budget Pick
UNI-T UT201+ Digital Clamp Meter 4000 Counts Multimeter auto Range True RMS clamp Meter DC Current Meter
Brand: UNI-T
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- Large screen LCD display, fast ADC / analog to digital converter.
- Full-featured false detection protection, overvoltage, overcurrent alarm prompt.
- Voltage measurement 600V.
- With high voltage frequency measurement.
- AC current measurement function;With current frequency measurement.
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#4 Top Choice
Fieldpiece SC440 True RMS Clamp Meter with Temperature, Inrush Current, Capacitance and Backlight
Brand: Fieldpiece
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- Mid-size clamp meter has every parameter for electrical and thermal HVACR testing in one meter
- One of the most durable clamp meters in the industry that gives higher accuracy VAC & AAC readings on VFD with True RMS sensing technology
- Ranges include temperature, capacitance, microamps DC for flame diode tests, and everyday electrical ranges for HVACR
- Auto and manual ranger with safety features including a high-voltage LED and beeper, a continuity warning, push button non-contact voltage (NCV)
- Detachable leads and alligator probe tips for safe and easy one-handed testing
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#5 Popular Choice
AUTENS AC/DC Digital Clamp Meter 6000 Counts True RMS Auto Range NCV AC DC Current Voltage Resistance Capacitance Frequency Diode Temperature Measure Tester, Backlight LCD Display Flashlight
Brand: AUTENS
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- Multifunctional Clamp Meter with True RMS: Accurate AC/DC voltage, AC/DC current, frequency, duty cycle, diode test, capacitance and resistance measurement. Automatically ranging true mean squared (TRMS) technology for increased accuracy.
- NCV Function & LPF Function: Non-contact voltage detection function with a sensor to detect voltage and avoid electric shock without touching any wires. LPF function filters out the influence of high-frequency signal on the measurement results, so that the multimeter can measure more electrical parameters.
- Temperature Measurement & Other Functions: With temperature measurement function that can be used for HVAC system inspection. With large LCD backlight display and data hold function, convenient to read data in dark. Additional features such as auto range, low battery indication, auto power off.
- Jaw Opening: The clamp measures the AC DC current in a conductor up to 25mm without interrupting the circuit. Made of high quality ABS, durable enough for long term use. Comes with a handy carrying pouch, perfect for use while you're on the go.
- Continuity Test & Over Load Protection: Designed to safely and accurately confirm the circuit conducts electricity with low voltage indication and overload protection. It is a pocket digital clamp meter, high reliability, high accuracy and portability, a perfect tool for the laboratory, factory and home.
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#6 Top Pick
Fluke 325 True-RMS Clamp Meter, Backlit LCD, 400 Amp AC/DC, 600 Volt AC/DC, Resistance Measurement Up To 4000 Ohms With Continuity Detection, Temperature, Capacitance & Frequency Measurement From
Brand: Fluke
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- WARRANTY - Two Year Fluke Warranty
- ALL ROUNDER - The Fluke 325 True-RMS Clamp Meter offers big features in a small form factor. True-RMS measurements and optimized ergonomics make the 320 Series Clamp Meters the best general troubleshooting tools for commercial and residential electricians
- 400A AC/DC current measurement
- 600V AC/DC voltage measurement
- CAT IV 300V/CAT III 600 V safety rating
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#7 Top Pick
UNI-T UT210E True RMS AC/DC Current Voltage Mini Digital Clamp Meter Auto Range Resistance Capacitance Tester
Brand: UNI-T
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- Multimeter Function: It's not only a clamp meter, but also with multimeter function, you can test AC DC current/voltage, resistance, capacitance, Diode.
- mA levelAC/DC resolution: 100A 1mA high resolution, it can test small current, multi-function fast response.
- NCV Test: It with noncontact electric field measure if you want to measure whether there is AC Voltage or electromagnetic filed, you can chose range.
- Small and Exquisite: You can put it in your pocket for easy carrying.
- VFC function: Can reduce the interference of high-frequency signals on the measurement results.
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#8 Top Pick
Klein Tools CL810 Clamp Meter with Flashlight – True RMS Digital Clamp Meter with Built-in NCVT, LOZ Mode, Inrush Current, Temperature, Transflective Display, IP40 Rated
Brand: KLEIN TOOLS
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- Professional True RMS Clamp Meter – Delivers accurate, reliable measurements across demanding electrical applications using True RMS technology
- Expanded Measurement Capabilities – Measures AC/DC voltage, AC/DC current, DC microamps, resistance, continuity, frequency, duty cycle, capacitance, diode testing, temperature, and inrush current
- Built-In NCVT with Audio/Visual Alerts – Integrated non-contact voltage testing (NCVT) in the clamp jaw provides escalating audible and visual alerts as voltage is approached
- Low Impedance (LoZ) Mode – Dedicated LoZ setting helps identify and eliminate ghost or stray voltages, reducing false readings
- High-Visibility Display & Illuminated Dial – Transflective reverse-contrast LCD ensures excellent readability in bright or dark conditions; illuminated dial improves low-light operation
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#9 Top Pick
Uni-T UT210E Mini True RMS AC/DC Current Clamp Meter with Capacitance
Brand: UNI-T
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- Package Dimensions: 6.1 L X 22.61 H X 7.11 W (centimeters)
- Package Weight: 0.29 kilograms, Ultra-portable tools for advance electricians, true rms response for ac current
- 100A AC and DC current measurement with 1mA resolution, V.F.C function for measuring signal at varia
- 600V ac and dc voltage measurement, resistance, diode, continuity and capacitance functions
- Non-contact voltage detection with led indication, display backlight
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#10 Top Pick
Fluke 323 True-RMS Clamp Meter
Brand: Fluke
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- Rugged reliable basic True-RMS clamp meter for measuring current up to 400 A
- Measures AC current to 400 A
- Measures AC voltage and DC voltage to 600 V
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