Updated:May, 2026

10 Best Hioki Leakage Current Clamp Meter of 2026

Best Choice

9.9

Outstanding

Hioki

Hioki CM4003-90 - Leakage Clamp Meter (200 A AC) with Wireless Adapter

Why We Love It

Maximum AC current = 200 A
Maximum DC current = N/A
Maximum AC voltage = N/A
Maximum DC voltage = N/A
True RMS = Yes

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Why We Love It

Maximum AC current = 200 A
Maximum DC current = N/A
Maximum AC voltage = N/A
Maximum DC voltage = N/A
True RMS = Yes

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9.5

Excellent

Hioki

HIOKI AC CLAMP Power Meter CM3286-50

Main Highlights

All-in-One Clamp Meter Accurately measure AC/DC voltage, current, power, frequency, and power factor in one handheld device.
Single & Three-Phase Testing Handles up to 600 A / 1000 V, ideal for industrial, commercial, and residential electrical systems.
Built-In Power Analyzer Monitor harmonics (up to 30th order), phase sequence, and energy usage for troubleshooting and energy audits.
Smart Bluetooth Connectivity Optional wireless module lets you log data, export to Excel, and create reports with photos and GPS.
Rugged & Reliable CAT IV 600 V / CAT III 1000 V safety rating with durable clamp design for field engineers and electricians.

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Main Highlights

All-in-One Clamp Meter Accurately measure AC/DC voltage, current, power, frequency, and power factor in one handheld device.
Single & Three-Phase Testing Handles up to 600 A / 1000 V, ideal for industrial, commercial, and residential electrical systems.
Built-In Power Analyzer Monitor harmonics (up to 30th order), phase sequence, and energy usage for troubleshooting and energy audits.
Smart Bluetooth Connectivity Optional wireless module lets you log data, export to Excel, and create reports with photos and GPS.
Rugged & Reliable CAT IV 600 V / CAT III 1000 V safety rating with durable clamp design for field engineers and electricians.

9.5

Excellent

SNAKOL

SNAKOL Digital AC Leakage Low Current Clamp Meter 0.01mA Resolution ACA MAX 60A 1999 Counts Auto Range Data Hold Ammeter Clampmeter Amperimetro Amperemetre Professional Micro Current Tester

Main Highlights

Professionalism: It is a clamp meter specializing in measuring leakage currents and small currents in AC circuits, with a high precision resolution of 0.01mA and ultra-high sensitivity, it can measure currents of up to 60A.
Safety: It has passed the IEC1010-1 600V CAT III safety verification.
Portability: measures only 6.7 x 2.4 x 1 In and weighs only 0.3lb.
Functionality: manual/automatic range switching, data retention, 10-minute self-defined shutdown without operation.
Protection: ultra-high quality, not easily damaged by frequent work, comes with a high-strength bag.

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Main Highlights

Professionalism: It is a clamp meter specializing in measuring leakage currents and small currents in AC circuits, with a high precision resolution of 0.01mA and ultra-high sensitivity, it can measure currents of up to 60A.
Safety: It has passed the IEC1010-1 600V CAT III safety verification.
Portability: measures only 6.7 x 2.4 x 1 In and weighs only 0.3lb.
Functionality: manual/automatic range switching, data retention, 10-minute self-defined shutdown without operation.
Protection: ultra-high quality, not easily damaged by frequent work, comes with a high-strength bag.

9.2

Excellent

Hioki

Hioki CM4373-50 - True RMS 2000 A AC/DC Clamp Meter

Main Highlights

Core jaw diameter: f55 mm (2.17 in)
AC current range: 600.0 A/2000 A (10 Hz to 1 kHz, True RMS)
DC current range: 600.0 A/2000 A
CAT IV 600 V, CAT III 1000 V
Measure DC voltages of up to 2000 V (*1) for open voltage inspections of solar panels

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Main Highlights

Core jaw diameter: f55 mm (2.17 in)
AC current range: 600.0 A/2000 A (10 Hz to 1 kHz, True RMS)
DC current range: 600.0 A/2000 A
CAT IV 600 V, CAT III 1000 V
Measure DC voltages of up to 2000 V (*1) for open voltage inspections of solar panels

9.0

Excellent

Hioki

Hioki CM3289 AC Clamp Meter True RMS

Main Highlights

Thin and compact sensor profile yields outstanding ease of use in tight and confined spaces
Performs current, voltage, and resistance measurements as well as continuity check
Capable of measuring even harmonic waveform components by using True-RMS method
Suitable for tough environments with broad operating temperature range of -13°F to 149°F (-25 °C to 65 °C)
Connects to CT6280 flexible sensor (sold separately) to measure up to 4199 A in thick or paired wires

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Main Highlights

Thin and compact sensor profile yields outstanding ease of use in tight and confined spaces
Performs current, voltage, and resistance measurements as well as continuity check
Capable of measuring even harmonic waveform components by using True-RMS method
Suitable for tough environments with broad operating temperature range of -13°F to 149°F (-25 °C to 65 °C)
Connects to CT6280 flexible sensor (sold separately) to measure up to 4199 A in thick or paired wires

8.8

Very Good

EITAI

EITAI6300 Digital Leakage Low Current Clamp Meter, 1uA Resolution, 0.001mA-60A, Φ1.2inch/30mm, Manufacturer Direct Sales, High Precision Amp Clamp Meter, High Accuracy

Main Highlights

With English customer service and technical support, we offer a smooth and secure user experience.
FeatureAC current measurement with ultra-high resolution of 1uA, ranging from AC 0.001mA-60.0A. Ideal for a wide range of applications including power measurement systems.
PortableEITAI6300 Digital Leakage Current Clamp Meter features an clamp-on structure, eliminating the need for cutting lead wires. Compact and lightweight, its easy to carry and suitable for various environments.
Multi-functionalThe Low Current Clamp Meter equipped with peak capture, data hold, and data storage functions to ensure the completeness and accuracy of measurements. Features a backlit LCD display for direct viewing of measurement results, providing clear visibility for the operator.
High precision and stabilityOffers a wide measurement range with stable performance and excellent analytical capabilities, providing accurate measurement results.

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Main Highlights

With English customer service and technical support, we offer a smooth and secure user experience.
FeatureAC current measurement with ultra-high resolution of 1uA, ranging from AC 0.001mA-60.0A. Ideal for a wide range of applications including power measurement systems.
PortableEITAI6300 Digital Leakage Current Clamp Meter features an clamp-on structure, eliminating the need for cutting lead wires. Compact and lightweight, its easy to carry and suitable for various environments.
Multi-functionalThe Low Current Clamp Meter equipped with peak capture, data hold, and data storage functions to ensure the completeness and accuracy of measurements. Features a backlit LCD display for direct viewing of measurement results, providing clear visibility for the operator.
High precision and stabilityOffers a wide measurement range with stable performance and excellent analytical capabilities, providing accurate measurement results.

8.6

Very Good

UNI-T

UNI-T UT251C+ Digital AC Leakage Current clamp Meter,1uA Resolution,3mA-60A,Φ1.5inch/40mm,3000 Counts Micro Current Tester AC Leak Current Pliers,with Bluetooth LPF Measure Harmonic Test

Main Highlights

40mm opening sizeUT251C+AC leakage current clamp meter has a maximum clamp head opening size of 40mm, suitable for multi line measurement. The single opening design of the clamp can cope with multi angle cable measurement scenarios, making it more convenient to use and measure leakage current in the circuit without disconnecting the circuit.
Measurable uA level small current measurement UT251C+digital AC leakage current meter has a resolution of up to 1uA and a current frequency measurement resolution of up to 0.01HZ
Equipped with low-pass filtering function and 20th harmonic measurement The steep low-pass filtering LPF function can more accurately measure fundamental currents below 60Hz with high-frequency components or high distortion.

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Main Highlights

40mm opening sizeUT251C+AC leakage current clamp meter has a maximum clamp head opening size of 40mm, suitable for multi line measurement. The single opening design of the clamp can cope with multi angle cable measurement scenarios, making it more convenient to use and measure leakage current in the circuit without disconnecting the circuit.
Measurable uA level small current measurement UT251C+digital AC leakage current meter has a resolution of up to 1uA and a current frequency measurement resolution of up to 0.01HZ
Equipped with low-pass filtering function and 20th harmonic measurement The steep low-pass filtering LPF function can more accurately measure fundamental currents below 60Hz with high-frequency components or high distortion.

8.3

Very Good

Hioki

Hioki 3280-10 FMI Digital Clamp On Meter For AC Only

Main Highlights

Dual action jaw Light and slim body design Easy clamping in narrow locations Safe and easy operation Independent opening, double lever design Eliminates magnetization induced heat and noise, even in heavy current measurement No metal (iron core) exposure

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Main Highlights

Dual action jaw Light and slim body design Easy clamping in narrow locations Safe and easy operation Independent opening, double lever design Eliminates magnetization induced heat and noise, even in heavy current measurement No metal (iron core) exposure

8.1

Very Good

Hioki

HIOKI AC CLAMP Meter CM4141-50

Main Highlights

2000A True RMS AC Clamp Meter for industrial loads; large 55 mm jaw.
Slim 11 mm jaw tip fits crowded panels and tight cable gaps.
Measures AC A, AC/DC V, resistance, frequency; DC+AC V mode.
CAT IV 600 V / CAT III 1000 V safety; lightweight ~300 g for field use.
Harmonic analysis up to the 30th order with GENNECT Cross software integration.

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Main Highlights

2000A True RMS AC Clamp Meter for industrial loads; large 55 mm jaw.
Slim 11 mm jaw tip fits crowded panels and tight cable gaps.
Measures AC A, AC/DC V, resistance, frequency; DC+AC V mode.
CAT IV 600 V / CAT III 1000 V safety; lightweight ~300 g for field use.
Harmonic analysis up to the 30th order with GENNECT Cross software integration.

8.1

Very Good

EITAI

EITAI6540 High Accuracy Leakage Low Current Clamp Meter, 10uA Resolution, 0.00mA-300A, Φ1.6inch/40mm, Manufacturer Direct Sales, High Precision Amp Clamp Meter, High Accuracy

Main Highlights

English customer service and technical support, we deliver an excellent and secure user experience.
High-Precision MeasurementThe Leakage Current Clamp Meter offers accurate AC leakage current and current measurements from 0.00mA to 300A with a resolution of 10uA. Perfect for detecting leakage currents in electrical systems.
Compact & Portable DesignThe Leakage Amp Clamp Meter with a compact size and weighing only 200g, this meter is lightweight and comes with a specialized meter bag for convenient carrying and protection, making it ideal for on-site electrical inspections.
Advanced FeaturesThe Low Current Clamp Meter equipped with peak hold, data hold, and data storage (up to 99 groups), this meter ensures reliable and efficient measurements for industrial and commercial applications.
Safety & ReliabilityDesigned with double insulation and magnetic shielding technology, the EITAI6540 meets IEC1010-1, IEC1010-2-032 safety standards, and is rated for CAT III 600V applications, ensuring safe operation in high-voltage environments.
User-Friendly OperationFeatures a 4-digit LCD display, automatic shutdown after 5 minutes of inactivity, and a simple one-button operation for data hold and peak hold functions.

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Main Highlights

English customer service and technical support, we deliver an excellent and secure user experience.
High-Precision MeasurementThe Leakage Current Clamp Meter offers accurate AC leakage current and current measurements from 0.00mA to 300A with a resolution of 10uA. Perfect for detecting leakage currents in electrical systems.
Compact & Portable DesignThe Leakage Amp Clamp Meter with a compact size and weighing only 200g, this meter is lightweight and comes with a specialized meter bag for convenient carrying and protection, making it ideal for on-site electrical inspections.
Advanced FeaturesThe Low Current Clamp Meter equipped with peak hold, data hold, and data storage (up to 99 groups), this meter ensures reliable and efficient measurements for industrial and commercial applications.
Safety & ReliabilityDesigned with double insulation and magnetic shielding technology, the EITAI6540 meets IEC1010-1, IEC1010-2-032 safety standards, and is rated for CAT III 600V applications, ensuring safe operation in high-voltage environments.
User-Friendly OperationFeatures a 4-digit LCD display, automatic shutdown after 5 minutes of inactivity, and a simple one-button operation for data hold and peak hold functions.

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