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 Stock No. 179-4694
Mfr. Part No.CM42
BrandFLIR
$220.89
Each
units
400A ac - 600V ac 600V dc 60kΩ - CM4X - - ±2 % Multifunction Clamp ±1.8 % ±1 % ±1 %
RS Stock No. 766-0595
Mfr. Part No.P01120921
$422.00
Each
units
600A ac - 1000V ac 1000V dc 59.99kΩ - F201 0.01A - ±(1% rdg + 3dgts) Multifunction Clamp ±(1% rdg + 3dgts) ±(1% rdg + 3dgts) ±(1% rdg + 3dgts)
RS Stock No. 2552221737
Mfr. Part No.FLUKE 374FC Std CAL
BrandFluke
$841.00
Each
units
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RS Stock No. 2552221738
Mfr. Part No.FLUKE 375FC Std CAL
BrandFluke
$1,073.00
Each
units
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RS Stock No. 2552221734
Mfr. Part No.FLUKE 323 Std CAL
BrandFluke
$463.00
Each
units
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RS Stock No. 2552221754
Mfr. Part No.FLUKE 772 Std CAL
BrandFluke
$1,903.00
Each
units
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RS Stock No. 2552221739
Mfr. Part No.FLUKE 376FC Std CAL
BrandFluke
$1,229.00
Each
units
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RS Stock No. 2552221753
Mfr. Part No.FLUKE 771 Std CAL
BrandFluke
$1,415.00
Each
units
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RS Stock No. 2552221735
Mfr. Part No.FLUKE 324 Std CAL
BrandFluke
$503.00
Each
units
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New
RS Stock No. 2552634714
Mfr. Part No.FLUKE 368 FC Std CAL
BrandFluke
$2,012.00
Each
units
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RS Stock No. 2552221740
Mfr. Part No.FLUKE 381 Std CAL
BrandFluke
$1,307.00
Each
units
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RS Stock No. 2552221736
Mfr. Part No.FLUKE 325 Std CAL
BrandFluke
$579.00
Each
units
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New
RS Stock No. 2552634692
Mfr. Part No.FLUKE 345 Std CAL
BrandFluke
$5,100.00
Each
units
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RS Stock No. 2552221755
Mfr. Part No.FLUKE 773 Std CAL
BrandFluke
$2,637.00
Each
units
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