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. 123-2208
BrandRS PRO
$821.41
Each
units
2kA ac - 600V ac 600V dc - - IPM6600 100mA - - Power Clamp ±(1.5% rdg + 5dgts) ±(1.5% rdg + 5dgts) ±(1.5% rdg + 5dgts)
RS Stock No. 543-295
Mfr. Part No.2431
BrandKyoritsu
$568.33
Each
units
200A ac - - - - - - 10µA ac - - Current ±5% +5 digits - -
RS Stock No. 123-3222
BrandRS PRO
$364.32
Each
units
600A ac 600A dc 600V ac 600V dc 400Ω - ICM136R 100mA 100mA ±(1.9% rdg + 5dgts) Multifunction Clamp ±(1.9% rdg + 5dgts) ±(1% rdg + 5dgts) ±(0.7% rdg + 2dgts)
RS Stock No. 778-1040
Mfr. Part No.P01120575Z
$325.00
Each
units
400A ac - - - - - MA400D-170 1mA - - Current Clamp ±(1.5% rdg + 2dgts) - -
RS Stock No. 123-3232
BrandRS PRO
$171.96
Each
units
200A ac - 1000V ac 1000V dc 2kΩ - ICMA5 100mA - - Multifunction Clamp ±(3% rdg + 3dgts) ±(1.5% rdg + 5dgts) ±(1.5% rdg + 5dgts)
RS Stock No. 848-1343
Mfr. Part No.CM83
BrandFLIR
$588.30
Each
units
600A ac 600A dc 1000V ac 1000V dc 99.99kΩ Bluetooth CM83 - - ±2 % Multifunction Clamp ±2 % ±0.7 % ±0.7 %
RS Stock No. 496-969
Mfr. Part No.MX0675
BrandMetrix
$757.00
Each
units
1kA ac 1.4kA dc 1000V ac 1400V dc 9.999kΩ - MX675 10mA 10mA ±(1.2% rdg + 5dgts) Current, Frequency, Resistance, Temperature, Voltage ±(1.5% rdg + 5dgts) ±(1% rdg + 5dgts) ±(1% rdg + 2dgts)
RS Stock No. 788-4571
Mfr. Part No.RSET4
BrandMartindale
$310.95
Each
units
200A ac 200A dc 600V ac 600V dc 50MΩ - ET4 100mA 100mA ±(2% rdg + 5dgts) Multifunction Clamp ±(2% rdg + 10dgts) ±(1.2% rdg + 5dgts) ±(0.5% rdg + 2dgts)
RS Stock No. 411-974
Mfr. Part No.FLUKE 353
BrandFluke
$1,610.61
Each
units
2kA ac 2kA dc - - - - 353 10mA 10mA ±(1.5% rdg + 5dgts) Current Clamp ±(1.5% rdg + 5dgts) - -
RS Stock No. 766-0621
Mfr. Part No.P01120963
$1,141.83
Each
units
2kA ac 3kA dc 1000V ac 1000V dc 99.99kΩ - F603 - - ±(1% rdg + 3dgts) Multifunction Clamp ±(1% rdg + 3dgts) ±(1% rdg + 3dgts) ±(1% rdg + 3dgts)
RS Stock No. 788-4580
Mfr. Part No.RSET5
BrandMartindale
$348.63
Each
units
200A ac 200A dc 600V ac 600V dc 50MΩ - ET5 100mA 100mA ±(2% rdg + 5dgts) Multifunction Clamp ±(2% rdg + 10dgts) ±(1.2% rdg + 5dgts) ±(0.5% rdg + 2dgts)
RS Stock No. 123-3231
BrandRS PRO
$171.96
Each
units
600A ac - 600V ac - 2kΩ - ICM33II 100mA - - Multifunction Clamp ±(1.5% rdg + 5dgts) ±(1.2% rdg + 3dgts) -
RS Stock No. 123-1936
BrandRS PRO
$60.49
Each
units
400A ac - 600V ac 600V dc 20MΩ - RS330 1mA - - Multifunction Clamp ±(2% rdg + 4dgts) ±(1.5% rdg + 3dgts) ±(1.2% rdg + 3dgts)
RS Stock No. 123-3225
BrandRS PRO
$310.02
Each
units
1kA ac - 750V ac 1000V dc 400Ω - ICM133R - - - Multifunction Clamp ±(2.5% rdg + 7dgts) ±(1% rdg + 5dgts) ±(0.7% rdg + 2dgts)
RS Stock No. 877-7109
Mfr. Part No.CM82
BrandFLIR
$436.16
Each
units
600A ac 600A dc 1000V ac 1000V dc 99.99kΩ - CM82 - - ±2 % Multifunction Clamp ±2 % ±0.7 % ±0.7 %
RS Stock No. 848-1340
Mfr. Part No.CM78
BrandFLIR
$664.89
Each
units
1kA ac 1kA dc 1000V ac 1000V dc 40MΩ Bluetooth CM78 - - ±2.5 % Multifunction Clamp ±2.5 % ±1.5 % ±1.5 %
RS Stock No. 346-7412
Mfr. Part No.MX0350Z
BrandMetrix
$355.71
Each
units
400A ac - 600V ac 600V dc 399.9Ω - MX0350-Z 10mA - - Multifunction Clamp ±(1.9% rdg + 5dgts) ±(1.5% rdg + 5dgts) ±(1% rdg + 2dgts)
RS Stock No. 411-970
Mfr. Part No.FLUKE 355
BrandFluke
$1,942.50
Each
units
2kA ac 2kA dc 600V ac 1000V dc 400kΩ - 355 10mA 10mA ±(1.5% rdg + 5dgts) Multifunction Clamp ±(1.5% rdg + 5dgts) ±(1% rdg + 5dgts) ±(1% rdg + 5dgts)
RS Stock No. 216-6629
Mfr. Part No.P01120073
$645.00
Each
units
1kA ac 1.4kA dc - - - - PAC22 - - ±4 % Current ±4 % - -
RS Stock No. 848-1347
Mfr. Part No.CM85
BrandFLIR
$664.89
Each
units
1kA ac 1kA dc 1000V ac 1000V dc 99.99kΩ Bluetooth CM85 - - ±2 % Multifunction Clamp ±2 % ±0.7 % ±0.7 %
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