10 Best Clamp Meters Auto-ranging
#1 Best Pick
HOLDPEAK 1000A Digital Clamp Meter with Bluetooth, 4000 Counts Multimeter Auto-Ranging, True RMS AC/DC Voltage & Current Tester, Capacitance, Frequency, Temperature, Diode, Continuity
Brand: H HOLDPEAK
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- Wide-Range AC/DC Clamp Meter: Accurately measures AC/DC current up to 1000A with 100mA/1A resolution; AC/DC voltage up to 1000V; resistance up to 60MΩ; capacitance up to 200μF; frequency up to 9.999MHz; and temperature from -20°C to 1000°C. Also tests diodes and continuity. A reliable, affordable, and easy-to-use workhorse multimeter.
- Bluetooth Remote Monitoring: Connect to the mobile app via Bluetooth to monitor real-time data and view historical readings remotely. All measurements can be displayed on your phone or tablet, with automatic graphing of trend charts. Data can be exported in Excel or TXT format for easy sharing.
- Non-Contact Voltage (NCV) Detection: Features non-contact voltage testing with sound and light alarms. Built with a Hall effect sensor to ensure high-precision AC/DC current measurements. The 45mm jaw size allows non-contact measurement of multiple wires at once.
- Temperature Measurement & Jobsite Durability: Comes with a thermocouple probe for high-temperature measurements ranging from -20°C to 1000°C. Designed with a rugged over-mold edge cover to withstand jobsite drops. Meets IEC 61010-1 safety standards, CAT IV 600V / CAT III 1000V, Class 2, double insulation.
- User-Friendly Design: Packed with features to handle a wide range of tasks in one versatile tool. Data Hold freezes readings for easy viewing; large backlit display ensures clear visibility in low-light conditions; REL function zeroes out readings before measuring for greater accuracy.
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#2 Best Value
Klein Tools CL900 Clamp Meter – True RMS Auto-Ranging Digital Clamp Meter with Built-in NCVT, Measures 2000A AC/DC, 1000V AC/DC, LOZ Mode, Inrush Current, CAT IV 600V
Brand: KLEIN TOOLS
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- Industrial-Grade True RMS Clamp Meter – Automatically ranging True RMS (TRMS) clamp meter delivers precise, reliable measurements for demanding electrical and industrial applications
- High-Capacity Measurement Performance – Measures up to 2000A AC/DC current, 1000V AC/DC voltage, and 60 milliohms for advanced diagnostics and heavy-duty equipment testing
- Built-In NCVT with Audible Alerts – Integrated non-contact voltage testing (NCVT) in the clamp allows fast voltage detection without direct contact
- Low Impedance (LoZ) & Inrush Current Modes – Dedicated LoZ mode eliminates ghost voltages, while inrush mode captures startup current for motors and equipment
- Advanced Measurement & Analysis Functions – Supports resistance, continuity with audible alert, capacitance, diode testing, frequency, duty cycle, Min/Max, and Data Hold
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#3 Budget Pick
Digital Clamp Meter, HOLDPEAK 7200-APP AC/DC Amp Clamp Meter 6000 Counts Auto-Ranging Bluetooth Multimeter for Volt, Amps, Ohm, Temp, Frequency, TRMS Clamp Meter Multimeter for Home, Circuit Detection
Brand: H HOLDPEAK
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- 🔆【Wide Measurement Range】6000 testers can measure DC and AC current, voltage, resistance, capacitance, non-contact AC voltage (NCV), detection frequency, temperature, diodes, etc.
- 🔆【Connect APP via Bluetooth】AC/DC current meter with serial data output function.AC/DC current meter with serial data output function can be connected to cell phone via Bluetooth to record, analyze and process real time data via cell phone APP.
- 🔆【Maximum and Minimum Values】The multi-function tester can measure real-time values, maximum values, minimum values and relative measurements, which makes it easy to observe and record data changes.
- 🔆【Data Retention】The multimeter has auto range and data retention function, just select the function you need to measure, easy and convenient to operate.
- 🔆【Backlight and Flashlight】The digital clamp multimeter can be used as a backlight and flashlight at the same time. The flashlight can illuminate the measurement area, which is very useful for displaying measurement data in dark areas.
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#4 Top Choice
Klein Tools CL110 Clamp Meter – Auto-Ranging Digital Clamp Meter, Measures AC Current, AC/DC Voltage, Resistance & Continuity, Backlit Display, CAT III 600V
Brand: KLEIN TOOLS
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- Auto-Ranging Digital Clamp Meter – Automatically ranging clamp meter designed for accurate electrical measurements in residential, office, and light-industrial environments
- Essential Measurement Functions – Measures AC current via the clamp and AC/DC voltage, resistance, and continuity using test leads for everyday electrical troubleshooting
- Backlit Display for Clear Readings – Easy-to-read backlit LCD improves visibility when working in dimly lit panels and workspaces
- CAT III 600V Safety Rated – Class 2, double-insulated construction meets safety requirements for basic and controlled electromagnetic environments
- User-Friendly Power Management – Auto power-off after 15 minutes helps conserve battery life; low battery indicator alerts when batteries need replacing
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#5 Popular Choice
KAIWEETS Digital Clamp Meter T-RMS 6000 Counts, Multimeter Voltage Tester Auto-ranging, Measures Current Voltage Temperature Capacitance Resistance Diodes Continuity Duty-Cycle (AC/DC Current)
Brand: KAIWEETS
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- True-RMS clamp meter: This multimeter can accurately measure AC/DC Current, AC/DC Voltage, Frequency or Duty Cycle, Resistance, Capacitance and also provides Diode, Continuity and Temperature tests. True RMS for accurate measurements on non-linear loads. Easy to use for labs factories and household.
- LowZ & LPF: Low input impedance helps prevent false readings due to ghost voltage. Low Pass Filter (LPF) for accurate measurement of variable frequency drive signals when measuring motors and transformer. To measure the current you need to clamp the meter around one of the wires and not the whole power cord.
- NCV Detection Function: Non-contact voltage detection effectively check electrical status through measuring EM field intensity without touching any wires; The NCV button lies on the right side. Simply place your thumb on it and push.
- Multi-function: Two-color backlit LCD Display - When the voltage > 80V, the current > 3A, the LCD backlit screen turns red to warn you of high voltage/ LED Flashlight / Temperature Measurement for liquids and air conditioning ports included K-Type Thermocouple / Low Battery Indication / Auto power off after 15 minutes inactivity.
- Safety Service: Safety standard IEC 61010-1, CAT III 600V. Double insulation. 36 Months product service provided. 7/24 Customer Service.
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#6 Top Pick
AstroAI Digital Clamp Meter Multimeter 2000 Counts Amp Voltage Tester Auto-ranging with AC/DC Voltage, AC Current, Resistance, Capacitance, Continuity, Live Wire Test, Non-Contact Voltage Detection
Brand: AstroAI
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- Versatile digital clamp meter: accurately measure AC current(DO NOT MEASURE DC POCKET)! AC/DC voltage, capacity, resistance, diodes, continuity and live wire. This clamp multimeter is a really useful tool for solving industrial and domestic electrical problems
- Wide open range of current clamps: jaw opening measures the alternating current in the conductor without touching or interrupting the circuit. Its slim and compact size makes it easy to work in tight spaces
- Considerate design: Supports data retention, max/min., automatic shutdown, low battery indicator and continuity buzzer. Includes useful features such as sound and visual alarm, backlit LCD screen and flashlight for easy use. Includes two 1.5V AAA batteries
- Contactless Voltage Testing: This clamp meter offers contactless voltage testing with sound and light alarm. When the meter detects a weak AC signal, the green indicator light will light up and the buzzer will emit a slow, audible beep. When the meter detects a strong AC signal, the red light will light up and the buzzer will emit a short beep
- Additional tips: The clamp meter meets the pollution level 2 safety standards and surge category III 600 V.
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#7 Top Pick
Klein Tools CL120 Clamp Meter – Auto-Ranging Digital Clamp Meter with NCV, Measures AC Current, AC/DC Voltage, Resistance & Continuity, Backlit LCD, CAT III 600V
Brand: KLEIN TOOLS
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- Auto-Ranging Digital Clamp Meter with NCV – Automatically ranging clamp meter measures AC current and non-contact voltage (NCV) via the clamp for fast electrical checks
- Essential Electrical Measurements – Measures AC/DC voltage, resistance, and continuity using test leads for everyday troubleshooting in residential and light-industrial applications
- Integrated Non-Contact Voltage Tester – NCV detector built into the clamp jaw allows quick voltage detection without making direct contact
- Hands-Free Convenience Features – Built-in test lead holder and compatibility with optional magnetic hangers (SKU# 69445 or 69417, sold separately) for hands-free operation
- Backlit LCD Display – Easy-to-read backlit screen improves visibility in low-light panels, cabinets, and workspaces
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#8 Top Pick
Klein Tools CL320 Clamp Meter – TRMS Auto-Ranging Digital Clamp Meter with Built-in NCVT, Measures AC Current, AC/DC Voltage, Microamps, Temperature, Frequency & Capacitance, CAT III 600V
Brand: KLEIN TOOLS
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- Advanced Auto-Ranging Clamp Meter with Built-In NCVT – Automatically ranging True RMS (TRMS) clamp meter measures AC current and features built-in non-contact voltage testing (NCVT) for fast, accurate diagnostics
- Comprehensive Measurement Capabilities – Measures AC/DC voltage, DC microamps, resistance, continuity, frequency, capacitance, duty cycle, and diode testing using test leads
- Temperature Measurement with Thermocouple – Measures temperature using an included K-Type thermocouple probe, ideal for HVAC and electrical applications
- Built-In Non-Contact Voltage Testing – Integrated NCVT function in the clamp jaw allows quick voltage checks without direct contact
- Backlit LCD for Low-Light Work – Easy-to-read backlit display improves visibility in panels, cabinets, and dim work environments
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#9 Top Pick
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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#10 Top Pick
Klein Tools CL390 Clamp Meter – TRMS Auto-Ranging Digital Clamp Meter with Built-in NCVT, Measures AC/DC Current, AC/DC Voltage, Microamps, Temperature, Frequency & Capacitance
Brand: KLEIN TOOLS
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- Advanced Auto-Ranging Clamp Meter with Built-In NCVT – Automatically ranging True RMS (TRMS) clamp meter measures AC/DC current and features built-in non-contact voltage testing (NCVT) for fast, reliable electrical diagnostics
- Comprehensive Measurement Capabilities – Measures AC/DC voltage, DC microamps, resistance, continuity, frequency, capacitance, duty cycle, and diode testing using test leads
- Temperature Measurement with Thermocouple – Measures temperature using an included K-Type thermocouple probe, ideal for HVAC, electrical, and maintenance applications
- High-Visibility Reverse-Contrast Display – Large LCD with reverse contrast improves readability in both dark and brightly lit environments
- Data Capture & Analysis Functions – Includes Max/Min, Relative/Zero, and Data Hold functions to help track and analyze changing measurements
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