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. 873-9728
Mfr. Part No.AMP-210-EUR
$201.27
Each
units
600A ac - 600V ac 600V dc 60kΩ - AMP 210 - - - Multifunction Clamp ±(1.8% rdg + 5dgts) ±(1% rdg + 5dgts) ±(1% rdg + 5dgts)
RS Stock No. 873-9721
Mfr. Part No.AMP-220-EUR
$291.23
Each
units
600A ac 600A dc 600V ac 600V dc 60kΩ - AMP 220 - - ±(2% rdg + 5dgts) Multifunction Clamp ±(1.8% rdg + 5dgts) ±(1% rdg + 5dgts) ±(1% rdg + 5dgts)
RS Stock No. 466-6042
Mfr. Part No.2300R
BrandKyoritsu
$256.67
Each
units
100A ac 100A dc - - - - - 100mA ac 100mA dc ±2% + 5 Digits Current ±2% +5 digits - -
RS Stock No. 922-6232
Mfr. Part No.CM74
BrandFLIR
$405.90
Each
units
600A ac 600A dc 1000V ac 1000V dc 6kΩ - CM74 - - ±2 % Multifunction Clamp ±2 % ±1 % ±1 %
RS Stock No. 188-4130
Mfr. Part No.80I-110S
BrandFluke
$1,296.90
Each
units
100A ac 100A dc - - - - 80 - - ±3% + 50 mA Current ±3% +50 mA - -
RS Stock No. 705-1907
Mfr. Part No.CP 41
$885.81
Each
units
40A ac 40A dc - - - - CP41 1mA 1mA ±(1% rdg + 5dgts) Leakage Current Clamp ±(1% rdg + 5dgts) - -
RS Stock No. 905-5898
Mfr. Part No.0590 7703
BrandTesto
$429.40
Each
units
600A ac 600A dc 600V ac 600V dc 60MΩ Bluetooth 770-3 0.1µA 0.1µA ±(2% rdg + 5dgts) Multifunction Clamp ±(1.5% rdg + 5dgts) ±(1% rdg + 3dgts) ±(0.8% rdg + 3dgts)
RS Stock No. 123-4545
Mfr. Part No.FLUKE-369 FC
BrandFluke
$1,920.60
Each
units
60A ac - - - - Wi-Fi 369 1µA - - Leakage Current Clamp ±(1.5% rdg + 5dgts) - -
RS Stock No. 873-9737
Mfr. Part No.AMP-330-EUR
$437.22
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. 255-023
Mfr. Part No.2046R
BrandKyoritsu
$440.00
Each
units
600A ac 600A dc 600V ac 600V dc 60MΩ - 2046R 100mA ac 100mA dc ±1.5% + 5 Digits Capacitance, Continuity, Current, Frequency, Resistance, Temperature, Voltage ±3.5% +5 digits ±3.5% + 5 Digits ±1% + 3 Digits
RS Stock No. 778-1059
Mfr. Part No.P01120576Z
$357.00
Each
units
400A ac - - - - - MA400D-250 1mA - - Current Clamp ±(1.5% rdg + 2dgts) - -
RS Stock No. 123-4544
Mfr. Part No.FLUKE-368 FC
BrandFluke
$1,807.30
Each
units
60A ac - - - - Wi-Fi 368 1µA - - Leakage Current Clamp ±(1% rdg + 5dgts) - -
RS Stock No. 905-5891
Mfr. Part No.0590 7701
BrandTesto
$280.13
Each
units
400A ac 400A dc 600V ac 600V dc 40MΩ - 770-1 100mA 100mA ±(2% rdg + 5dgts) Multifunction Clamp ±(2% rdg + 5dgts) ±(1% rdg + 3dgts) ±(0.8% rdg + 3dgts)
RS Stock No. 881-2763
Mfr. Part No.FLK-A3003FC
BrandFluke
$1,024.10
Each
units
- A ac, - 2kA dc - - - Wi-Fi A3003FC - 100mA ±(2% rdg + 5dgts) Current Clamp - - -
RS Stock No. 865-4743
Mfr. Part No.MARCM87
BrandMartindale
$684.71
Each
units
1.5kA ac 2kA dc 750V ac 1000V dc 66MΩ - MARCM87 100mA 100mA ±(2% rdg + 5dgts) Multifunction Clamp ±(2% rdg + 10dgts) ±(1.5% rdg + 8dgts) ±(0.5% rdg + 2dgts)
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. 905-5894
Mfr. Part No.0590 7702
BrandTesto
$375.82
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. 420-0765
Mfr. Part No.2033
BrandKyoritsu
$713.17
Each
units
300A ac 300A dc - - - - - 10mA ac 10mA dc ±3 % Current ±4 % - -
RS Stock No. 794-3077
Mfr. Part No.ACD-10 PLUS
BrandAmprobe
$219.82
Each
units
600A ac - 600V ac 600V dc 40MΩ - ACD-10 PLUS - - - Multifunction Clamp ±(1.5% rdg + 8dgts) ±(1.5% rdg + 5dgts) ±(0.3% rdg + 4dgts)
RS Stock No. 420-0743
Mfr. Part No.2003A
BrandKyoritsu
$458.33
Each
units
2kA ac 2kA dc 750V ac 1000V dc 4kΩ - - 100mA ac 100mA dc ±1.5% + 2 Digits Continuity, Current, Resistance, Voltage ±3% +2 digits ±1.5% + 4 Digits ±1% + 2 Digits
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