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 216-6679
製造零件編號P01120067A
HK$4,545.34
單位
3A ac 4.5A dc - - - - K1 100µA ac 50µA dc ±1 % AC/DC Clamp Meter ±1 % - -
RS庫存編號 778-1040
製造零件編號P01120575Z
HK$1,286.08
單位
400A ac - - - - - MA400D-170 1mA - - Current Clamp ±(1.5% rdg + 2dgts) - -
RS庫存編號 778-1059
製造零件編號P01120576Z
HK$1,435.83
單位
400A ac - - - - - MA400D-250 1mA - - Current Clamp ±(1.5% rdg + 2dgts) - -
RS庫存編號 186-5515
製造零件編號ALC-110-EUR
HK$4,767.65
單位
60A ac - - - - - ALC-110 1µA - - Leakage Current Clamp ±(1% rdg + 5dgts) - -
RS庫存編號 181-5009
製造零件編號1000-219
BrandMegger
HK$1,259.78
單位
200A ac - 1000V ac 1000V dc 20MΩ - DCM330 - - - Multifunction Clamp ±(3% rdg + 3dgts) ±(1.5% rdg + 5dgts) ±(1% rdg + 2dgts)
RS庫存編號 766-0606
製造零件編號P01120943
HK$3,127.12
單位
1kA ac 1.5kA dc 1000V ac 1000V dc 99.99kΩ - F403 - - ±(1% rdg + 3dgts) Multifunction Clamp ±(1% rdg + 3dgts) ±(1% rdg + 3dgts) ±(1% rdg + 3dgts)
RS庫存編號 766-0599
製造零件編號P01120923
HK$2,471.04
單位
600A ac 900A dc 1000V ac 1000V dc 59.99kΩ - F203 - - ±1% + 3 Digits Multifunction Clamp ±1% +3 digits ±1% + 3 Digits ±1% + 3 Digits
RS庫存編號 123-3230
BrandRS PRO
HK$535.98
單位
400A ac - - - - - ICM20 100mA - - Current Clamp ±(2% rdg + 0.5A) - -
RS庫存編號 698-7180
製造零件編號U1211A
HK$2,472.46
單位
1kA ac - 1000V ac 1000V dc 4kΩ Bluetooth compatible U1211A 10mA - - Multifunction Clamp ±(1% rdg + 5dgts) ±(1% rdg + 5dgts) ±(0.5% rdg + 3dgts)
RS庫存編號 254-7882
製造零件編號P01120308
HK$6,232.84
單位
1kA ac - - - - - C160 - 50µA dc - Current ±1% +1 mV - -
RS庫存編號 123-2241
BrandRS PRO
HK$1,460.37
單位
1kA ac - 600V ac 600V dc 999.9kΩ - IPM3000N 10mA - - Power Clamp ±(2% rdg + 20dgts) ±(1% rdg + 20dgts) ±(1% rdg + 20dgts)
RS庫存編號 123-3231
BrandRS PRO
HK$839.08
單位
600A ac - 600V ac - 2kΩ - ICM33II 100mA - - Multifunction Clamp ±(1.5% rdg + 5dgts) ±(1.2% rdg + 3dgts) -
RS庫存編號 811-1331
製造零件編號FLK-A3001 FC
BrandFluke
HK$2,236.70
單位
2.5kA ac - - - - Wi-Fi A3001 FC 100mA - - Current Clamp ±(3% rdg + 5dgts) - -
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 % ±1 % ±1 %
RS庫存編號 181-5010
製造零件編號1000-305
BrandMegger
HK$1,544.40
單位
600A ac 600A dc 600V ac 600V dc 400Ω - DCM340 - - ±(1.9% rdg + 5dgts) Multifunction Clamp ±(1.9% rdg + 5dgts) ±(1% rdg + 5dgts) ±(0.7% rdg + 2dgts)
RS庫存編號 123-3257
BrandRS PRO
HK$2,591.62
單位
600A ac 600A dc 1000V ac 1000V dc 100kΩ - IPM243F 100mA 100mA ±(1.5% rdg + 5dgts) Multifunction Clamp ±(1.5% rdg + 5dgts) ±(1% rdg + 5dgts) ±(0.7% rdg + 2dgts)
RS庫存編號 811-1379
製造零件編號FLK-A3002 FC
BrandFluke
HK$1,997.00
單位
600A ac 1kA dc - - - Wi-Fi A3002 FC 100mA 100mA ±(0.5% rdg + 3dgts) Current Clamp ±(1% rdg + 3dgts) - -
RS庫存編號 186-5504
製造零件編號AMP-25-EUR
HK$1,747.16
單位
300A ac 300A dc - - - - AMP-25-EUR 10mA 10mA ±(1.5% rdg + 5dgts) Current Clamp ±(1.5% rdg + 5dgts) - -
RS庫存編號 123-3229
BrandRS PRO
HK$1,137.94
單位
600A ac - 600V ac 600V dc 400Ω - ICM135R 100mA - - Multifunction Clamp ±(1.9% rdg + 5dgts) ±(1% rdg + 5dgts) ±(0.7% rdg + 2dgts)
全新
RS庫存編號 193-2381
製造零件編號CM94
BrandFLIR
HK$3,802.05
單位
2kA ac 2kA dc 1000V ac 1000V dc - - CM95 2000A 2000A ±2 % - ±2 % ±1.2 % ±0.5 %