Clamp Meters

A clamp meter is an electrical test tool that combines a basic digital multimeter with a current sensor. Clamps measure current such as AC current, AC and DC voltage, resistance, continuity, and, with some models, DC current, capacitance, temperature, frequency and more. Due to the hinged jaw, this tool allows the user to clamp the jaws around a wire, cable or other conductor at any point in an electrical system, then measure the current without disconnecting it. True RMS measurements, this tester typically measures to the nearest 10th of a unit making them perfect for electrical work such as repairing, installation and maintenance.


Originally created as a single-purpose test tool, modern clampmeters offer more measurement functions, greater accuracy and sometimes specialised measurement features. Today’s clamp meters include most of the basic functions of a digital multimeter, such as the ability to measure voltage, continuity and resistance.


Who uses them?


    Industrial maintenance technicians

    Control technicians

    Electricians – in-house and contractors

    Facilities, building maintenance and HVAC technicians

    Service organisations

What are they used on?


    Industrial equipment

    Industrial controls

    Electrical systems

    Commercial/industrial HVAC

Why are Clamp meters so popular?


    Safety: Clamp meters allow electricians to bypass the old-school method of cutting into a wire and inserting a meter’s test leads into the circuit to take an inline current measurement. The jaws of a clamp meter do not need to touch a conductor during a measurement.

    Convenience: During measurement, it is not necessary to shut off the circuit carrying current—a large boost in efficiency.

They are primarily used for:


    Service: Repair existing systems on an as-needed basis.

    Installation: Troubleshooting installation problems, perform final circuit tests, and supervise apprentice electricians while installing electrical equipment.

    Maintenance: Perform scheduled and preventative maintenance and system troubleshooting.

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Description Price Absolute Maximum AC Current Measurement Absolute Maximum DC Current Measurement Absolute Maximum AC Voltage Measurement Absolute Maximum DC Voltage Measurement Absolute Maximum Resistance Measurement Connectivity Model Number AC Current Measurement Resolution DC Current Measurement Resolution Best DC Current Accuracy Clamp Meter Type Best AC Current Accuracy Best AC Voltage Accuracy Best DC Voltage Accuracy
RS庫存編號 161-1631
BrandRS PRO
HK$626.92
單位
3kA ac - - - - - - 0.01A - - - ±3 % - -
RS庫存編號 123-2206
BrandRS PRO
HK$3,688.61
單位
2.1kA ac 2.5kA dc 600V ac 600V dc 40MΩ - ICM2000N 0.1A 0.1A ±1.5 % ± 3 Digits Power ±1.5 % ± 5 Digits ±1.5 % ± 5 Digits ±1 % ± 3 Digits
RS庫存編號 162-4458
BrandRS PRO
HK$2,585.29
單位
1kA ac 100A dc 1000V ac 1000V dc 100kΩ Bluetooth 158B 0.01A 0.01A ±1.5 + 5 Digit % AC/DC Clamp Meter ±1.5 + 5 Digit % ±1 + 5 Digit % ±0.7 + 2 Digit %
RS庫存編號 123-2204
BrandRS PRO
HK$1,846.00
單位
60A ac - 400V ac - 400Ω - ILCM03A 1mA - - Current ±1 % ± 3 Digits ±1.5 % ± 2 Digits -
RS庫存編號 123-3225
BrandRS PRO
HK$1,129.59
單位
1kA ac - 750V ac 1000V dc 400Ω - ICM133R 0.1A - ±1.9% + 5 Digits Current, Voltage ±1.9% +5 digits ±1% + 5 Digits ±0.7% + 2 Digits
RS庫存編號 123-3227
BrandRS PRO
HK$1,623.89
單位
1kA ac 1kA dc 750V ac 1000V dc 400Ω - ICM139R 0.1A 0.1A ±1.9% + 5 Digits Current, Voltage ±1.9% +5 digits ±1% + 5 Digits ±0.7% + 2 Digits
RS庫存編號 123-3228
BrandRS PRO
HK$1,211.28
單位
600A ac 4mA dc 750V ac 1000V dc 40MΩ - ICM134 - - ±1% + 2 Digits Current Tester, Temperature, Voltage Tester ±1.9% +5 digits ±1.5% + 5 Digits ±0.9% + 2 Digits
RS庫存編號 124-1957
BrandRS PRO
HK$704.29
單位
400A ac - 600V ac 600V dc 2kΩ - ICMA9 - - - Continuity, Current, Diode, Resistance, Voltage ±1.8 % + 3 Digits ±1.5 % + 3 Digits ±1 % + 4 Digits
RS庫存編號 136-7823
BrandRS PRO
HK$1,690.37
單位
100A ac - - - - - ILCM06R 0.001mA - - Leakage Current Clampmeter ±1 % 8 Digits - -
RS庫存編號 123-3230
BrandRS PRO
HK$400.22
單位
400A ac - - - - - ICM20 0.1A - - Current Tester ±2% ± 0.5A - -
RS庫存編號 123-2242
BrandRS PRO
HK$496.00
單位
400A ac - 600V ac 600V dc 400Ω - ICM3091N 0.01A - - AC Clamp Meter ±2 % + 10 Digits ±1.5 % + 10 Digits ±1 % + 5 Digits
RS庫存編號 123-2241
BrandRS PRO
HK$1,460.37
單位
999.9A ac - 600V ac 600V dc 999.9kΩ - IPM3000N 10mA - - Power ±2 % ± 20 Digits ±1 % ± 20 Digits ±1 % ± 20 Digits
RS庫存編號 123-3229
BrandRS PRO
HK$860.17
單位
600A ac - 600V ac 600V dc 400Ω - ICM135R 0.1A - ±1.9% + 5 Digits Current, Voltage ±1.9% +5 digits ±1% + 5 Digits ±0.7% + 2 Digits
RS庫存編號 162-4457
BrandRS PRO
HK$2,232.83
單位
1kA ac - 1000V ac 1000V dc 100kΩ Bluetooth 157B 0.01A - - Power ±1.5 + 5 Digit % ±1 + 5 Digit % ±0.7 + 2 Digit %
RS庫存編號 123-1935
BrandRS PRO
HK$256.26
單位
400A ac - 600V ac 600V dc 20MΩ - RS380 0.01A ac - - AC/DC Clamp Meter ±2.5% ± 5 Digits ±1.5% ± 10 Digits ±1.5% ± 2 Digits
RS庫存編號 162-4455
BrandRS PRO
HK$2,015.57
單位
600A ac - 1000V ac 1000V dc 100kΩ Bluetooth 155B 0.01A - - Power ±1.5 + 5 Digit % ±1 + 5 Digit % ±0.7 + 2 Digit %
RS庫存編號 124-1958
BrandRS PRO
HK$687.29
單位
300A ac - 600V ac 600V dc 30MΩ - IEK10N - - - Continuity, Current, Diode, Resistance, Voltage ±1.9% +0.5 A ±1.7% + 5 Digits ±0.7% + 2 Digits
RS庫存編號 123-3256
BrandRS PRO
HK$703.02
單位
300A ac 300A dc - - - - ICMA1 0.01A 0.01A ±1.5% + 5 Digits Current, Voltage ±2.5% +5 Digits - -
RS庫存編號 124-1963
BrandRS PRO
HK$2,303.80
單位
1kA ac 1kA dc 1000V ac 1000V dc 100kΩ - IPM245F 0.01A 0.01A ±1.5 % + 5 Digits Current, Diode, Resistance, Voltage ±1.5 % + 5 Digits ±1 % + 5 Digits ±0.7 % + 2 Digits
RS庫存編號 123-3234
BrandRS PRO
HK$819.13
單位
600A ac - 750V ac 999.9V dc 2kΩ - ICMA6 - - - Current, Voltage ±1.9%+ 5 Digits ±1.5% + 3 Digits ±1% + 2 Digits