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. 916-3380
Mfr. Part No.2056R
BrandKyoritsu
$400.00
Each
units
1kA ac 1kA dc 600V ac 600V dc 60MΩ - 2056R 0.1A 0.1A ±1.5 % Digital ±2 % 3.5 % 1 %
RS Stock No. 881-2763
Mfr. Part No.FLK-A3003FC
BrandFluke
$950.00
Each
units
- A ac, - 2kA dc - - - Wi-Fi A3003FC - 100mA ±(2% rdg + 5dgts) Current Clamp - - -
RS Stock No. 873-9737
Mfr. Part No.AMP-330-EUR
$397.47
Each
units
1kA ac 1kA dc 1000V ac 1000V dc 60kΩ - AMP 330 - - ±(1.8% rdg + 5dgts) Multifunction Clamp ±(1.8% rdg + 5dgts) ±(0.8% rdg + 5dgts) ±(0.8% rdg + 5dgts)
RS Stock No. 922-6239
Mfr. Part No.CM72
BrandFLIR
$299.00
Each
units
600A ac - 600V ac 600V dc 6kΩ - CM72 - - - Multifunction Clamp ±2 % ±1 % ±1 %
RS Stock No. 794-3086
Mfr. Part No.LH41A
BrandAmprobe
$1,155.63
Each
units
40A ac 40A dc - - - - LH41A 1mA 1mA ±(1.3% rdg + 5dgts) Current Clamp ±(1.3% rdg + 5dgts) - -
RS Stock No. 188-4130
Mfr. Part No.80I-110S
BrandFluke
$1,203.00
Each
units
100A ac 100A dc - - - - 80 - - ±3% + 50 mA Current ±3% +50 mA - -
RS Stock No. 811-1331
Mfr. Part No.FLK-A3001 FC
BrandFluke
$364.00
Each
units
2.5kA ac - - - - Wi-Fi A3001 FC 100mA - - Current Clamp ±(3% rdg + 5dgts) - -
RS Stock No. 411-970
Mfr. Part No.FLUKE 355
BrandFluke
$1,750.00
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. 123-4544
Mfr. Part No.FLUKE-368 FC
BrandFluke
$1,676.00
Each
units
60A ac - - - - Wi-Fi 368 1µA - - Leakage Current Clamp ±(1% rdg + 5dgts) - -
RS Stock No. 922-6232
Mfr. Part No.CM74
BrandFLIR
$375.00
Each
units
600A ac 600A dc 1000V ac 1000V dc 6kΩ - CM74 - - ±2 % Multifunction Clamp ±2 % ±1 % ±1 %
RS Stock No. 922-6220
Mfr. Part No.CM174
BrandFLIR
$759.00
Each
units
600A ac 600A dc 1000V ac 1000V dc 6kΩ - CM174 - - ±2 % Multifunction Clamp ±2 % ±1 % ±1 %
RS Stock No. 411-974
Mfr. Part No.FLUKE 353
BrandFluke
$1,451.00
Each
units
2kA ac 2kA dc - - - - 353 10mA 10mA ±(1.5% rdg + 5dgts) Current Clamp ±(1.5% rdg + 5dgts) - -
RS Stock No. 122-5531
Mfr. Part No.CM69
BrandMartindale
$663.01
Each
units
60A ac - 300V ac 300V dc 600kΩ - CM69 1µA - - Leakage Current Clamp ±(1% rdg + 5dgts) ±(1% rdg + 3dgts) ±(1% rdg + 2dgts)
RS Stock No. 905-5894
Mfr. Part No.0590 7702
BrandTesto
$358.73
Each
units
400A ac 400A dc 600V ac 600V dc 40MΩ - 770-2 100mA 100mA ±(2% rdg + 5dgts) Multifunction Clamp ±(2% rdg + 5dgts) ±(1% rdg + 3dgts) ±(0.8% rdg + 3dgts)
RS Stock No. 848-1347
Mfr. Part No.CM85
BrandFLIR
$599.00
Each
units
1kA ac 1kA dc 1000V ac 1000V dc 99.99kΩ Bluetooth CM85 - - ±2 % Multifunction Clamp ±2 % ±0.7 % ±0.7 %
RS Stock No. 705-1907
Mfr. Part No.CP 41
$845.54
Each
units
40A ac 40A dc - - - - CP41 1mA 1mA ±(1% rdg + 5dgts) Leakage Current Clamp ±(1% rdg + 5dgts) - -
RS Stock No. 698-7192
Mfr. Part No.U1213A
$557.87
Each
units
1kA ac 1kA dc 1000V ac 1000V dc 40MΩ Bluetooth compatible U1213A 10mA 10mA ±(1.5% rdg + 3dgts) Multifunction Clamp ±(2% rdg + 5dgts) ±(1% rdg + 5dgts) ±(0.2% rdg + 5dgts)
RS Stock No. 848-1343
Mfr. Part No.CM83
BrandFLIR
$530.00
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. 778-1040
Mfr. Part No.P01120575Z
$277.45
Each
units
400A ac - - - - - MA400D-170 1mA - - Current Clamp ±(1.5% rdg + 2dgts) - -
RS Stock No. 916-3371
Mfr. Part No.2002R
BrandKyoritsu
$400.00
Each
units
2kA ac - 750V ac 1000V dc 400kΩ - 2002R 0.1A - - Digital ±1.5 % ±1.5 % ±1 %
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