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 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 811-1325
製造零件編號FLK-A3000 FC
BrandFluke
HK$1,686.37
單位
400A ac - - - - - A3000 FC 100mA ac - - Current ±2% + 5 Digits, ±2.5 % + 5 Digits - -
RS庫存編號 146-9096
BrandRS PRO
HK$929.39
單位
80A ac 80A dc 600V ac 600V dc 40MΩ - - 1mA 1mA ±2.5 % - ±2.5 % ±2 % ±1.5 %
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 181-5008
製造零件編號1000-304
BrandMegger
HK$1,158.72
單位
400A ac - 600V ac 600V dc 20MΩ - DCM320 - - - AC/DC Clamp Meter ±1.9% ±5 Digits ±1.5% ±5 Digits ±1% ±2 Digits
RS庫存編號 496-969
製造零件編號MX675
BrandMetrix
HK$3,541.48
單位
1kA ac 1.4kA dc 1000V ac 1400V dc 9.999kΩ - MX675 - - - Current, Frequency, Resistance, Temperature, Voltage - - -
RS庫存編號 766-0615
製造零件編號P01120945
HK$3,736.06
單位
1kA ac 1.5kA dc 1000V ac 1000V dc 99.99kΩ - F405 10mA ac 10mA dc ±1% + 3 Digits Continuity, Current, Diode, Frequency, Harmonics, Phase rotation, Power, Power Factor, Resistance, Voltage ±1% +3 digits ±1% + 3 Digits ±1% + 3 Digits
RS庫存編號 181-5006
製造零件編號1005-572
BrandMegger
HK$3,041.64
單位
1.5kA ac 1.5kA dc 1500V ac 1500V dc 400Ω - DCM1500 1A 1A ±2.5% ±7 Digits AC/DC Clamp Meter ±3% ±7 Digits ±1% ±5 Digits ±0.7% ±2 Digits
RS庫存編號 216-6679
製造零件編號P01120067A
HK$5,490.41
單位
3A ac 4.5A dc - - - - K1 100µA ac 50µA dc ±1 % AC/DC Clamp Meter ±1 % - -
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 922-6232
製造零件編號CM74
BrandFLIR
HK$2,394.88
單位
600A ac 600A dc 1000V ac 1000V dc 6kΩ - CM74 - - ±2 % AC/DC Clamp Meter ±2 (VFD) %, ±3 (Inrush) % ±1 % ±1 %
RS庫存編號 698-7180
製造零件編號U1211A
HK$2,951.85
單位
1kA ac - 1000V ac 1000V dc 4kΩ - U1211A 10mA ac - - Capacitance, Current, Diode/Audible Continuity Check, Frequency, Resistance, Sensitivity, Voltage ±1% +5 digits ±1% + 5 Digits ±0.5% + 3 Digits
RS庫存編號 182-9525
製造零件編號FLK-376FC/114 KIT
BrandFluke
HK$5,334.94
單位
2.5kA ac 999.9A dc 1000V ac 1000V dc 60kΩ - 376 FC 0.1A 0.1A 2 % ± 5 Digits AC/DC Clamp Meter 3 % ± 5 Digits 1.5 % ± 5 Digits 1 % ± 5 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 123-3252
BrandRS PRO
HK$993.19
單位
300A ac 300A dc 600V ac 600V dc 40MΩ - ICM30R 10 mA ac, 100 mA ac 10 mA dc, 100 mA dc + 5 Digits; ±3% - + 5 Digits; ±2% + 5 Digits; ±2% + 5 Digits; ±0.5%
RS庫存編號 778-1059
製造零件編號P01120576Z
HK$1,711.13
單位
399.9A ac - - - - - MA400D-250 1mA ac - - Current ±1.5% +2 counts - -
RS庫存編號 917-5368
製造零件編號FLUKE-902 FC
BrandFluke
HK$2,918.00
單位
600A ac 200µA dc 600V ac 600V dc 9.999kΩ - 902 FC 0.1A 0.1µA 1 % Continuity Tester 2 % 1 % 1 %
RS庫存編號 123-4545
製造零件編號FLUKE-369 FC
BrandFluke
HK$7,329.00
單位
60A ac - - - - - 369 0.001mA - - Current Tester 1 % + 5 Digits - -
RS庫存編號 906-3918
製造零件編號CM55
BrandFLIR
HK$1,887.38
單位
3kA ac - - - - - CM55 0.01A ac - - Current Tester ±3% + 5 Digits - -