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. 766-0599
Mfr. Part No.P01120923
MYR1,237.81
Each
units
600A ac 900A dc 1000V ac 1000V dc 59.99kΩ - F203 0.01A 0.01A ±1% + 3 Digits AC/DC Clamp Meter ±1% +3 digits ±1% + 3 Digits ±1% + 3 Digits
RS Stock No. 766-0602
Mfr. Part No.P01120941
MYR1,453.53
Each
units
1kA ac - 1000V ac 1000V dc 99.99kΩ - F401 10mA - ±(1% rdg + 3dgts) AC Current Clamp Meter ±(1% rdg + 3dgts) ±(1% rdg + 3dgts) ±(1% rdg + 3dgts)
RS Stock No. 766-0595
Mfr. Part No.P01120921
MYR991.27
Each
units
600A ac - 1000V ac 1000V dc 59.99kΩ - F201 0.01A - ±(1% rdg + 3dgts) AC Current Clamp Meter ±(1% rdg + 3dgts) ±(1% rdg + 3dgts) ±(1% rdg + 3dgts)
RS Stock No. 766-0609
Mfr. Part No.P01120925
MYR1,582.82
Each
units
600A ac 900A dc 1000V ac 1000V dc 59.99kΩ - F205 0.01A 0.01A ±1% + 3 Digits AC/DC Clamp Meter ±1% +3 digits ±1% + 3 Digits ±1% + 3 Digits
RS Stock No. 216-6679
Mfr. Part No.P01120067A
MYR2,650.24
Each
units
3A ac 4.5A dc - - - - K1 100µA ac 50µA dc ±1 % AC-DC Current Probe ±1 % - -
RS Stock No. 766-0606
Mfr. Part No.P01120943
MYR1,823.33
Each
units
1kA ac 1.5kA dc 1000V ac 1000V dc 99.99kΩ - F403 10mA 10mA ±(1% rdg + 3dgts) AC/DC Clamp Meter ±(1% rdg + 3dgts) ±(1% rdg + 3dgts) ±(1% rdg + 3dgts)
RS Stock No. 778-1040
Mfr. Part No.P01120575Z
MYR831.66
Each
units
400A ac - - - - - MA400D-170 1mA - - AC Current Clamp Meter ±(1.5% rdg + 2dgts) - -
RS Stock No. 778-1052
Mfr. Part No.P01120577Z
MYR927.51
Each
units
4kA ac - - - - - MA4000D-350 10mA - - AC Current Clamp Meter ±(1.5% rdg + 2dgts) - -
RS Stock No. 778-1059
Mfr. Part No.P01120576Z
MYR837.19
Each
units
400A ac - - - - - MA400D-250 1mA - - AC Current Clamp Meter ±(1.5% rdg + 2dgts) - -
RS Stock No. 254-7882
Mfr. Part No.P01120308
MYR2,943.00
Each
units
1kA ac - - - - - C160 - 50µA dc - AC Current Clamp Meter ±1% +1 mV - -
RS Stock No. 766-0624
Mfr. Part No.P01120965
MYR2,876.23
Each
units
2kA ac 3kA dc 1000V ac 1000V dc 99.99kΩ - F605 10mA 10mA ±(1% rdg + 3dgts) AC/DC Clamp Meter ±(1% rdg + 3dgts) ±(1% rdg + 3dgts) ±(1% rdg + 3dgts)
RS Stock No. 216-6629
Mfr. Part No.P01120073
MYR1,448.39
Each
units
1kA ac 1.4kA dc - - - - PAC22 - - ±4 % Current ±4 % - -
RS Stock No. 766-0628
Mfr. Part No.P01120967
MYR3,477.16
Each
units
2kA ac 3kA dc 1000V ac 1000V dc 99.99kΩ Bluetooth F607 10 mA 10 mA ±(1% rdg + 3dgts) Power/Harmonics Clamp Meter ±(1% rdg + 3dgts) ±(1% rdg + 3dgts) ±(1% rdg + 3dgts)
RS Stock No. 512-5069
Mfr. Part No.P01120761
MYR1,997.95
Each
units
100A ac - 600V ac 600V dc 1kΩ - F65 10µA - - Leakage Clamp Meter ±(2.5% rdg + 5dgts) ±(2.5% rdg + 5dgts) ±(2.5% rdg + 5dgts)
RS Stock No. 766-0621
Mfr. Part No.P01120963
MYR2,619.43
Each
units
2kA ac 3kA dc 1000V ac 1000V dc 99.99kΩ - F603 10mA 10mA ±(1% rdg + 3dgts) AC/DC Clamp Meter ±(1% rdg + 3dgts) ±(1% rdg + 3dgts) ±(1% rdg + 3dgts)
RS Stock No. 766-0618
Mfr. Part No.P01120947
MYR2,681.06
Each
units
1kA ac 1.5kA dc 1000V ac 1000V dc 99.99kΩ Bluetooth F407 10mA 10mA ±(1% rdg + 3dgts) Power/Harmonics Clamp Meter ±(1% rdg + 3dgts) ±(1% rdg + 3dgts) ±(1% rdg + 3dgts)
RS Stock No. 766-0615
Mfr. Part No.P01120945
MYR2,056.66
Each
units
1kA ac 1.5kA dc 1000V ac 1000V dc 99.99kΩ - F405 10mA 10mA ±(1% rdg + 3dgts) AC/DC Clamp Meter ±(1% rdg + 3dgts) ±(1% rdg + 3dgts) ±(1% rdg + 3dgts)