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 Calibrated AC Current Measurement Resolution DC Current Measurement Resolution Best DC Current Accuracy Clamp Meter Type Best AC Current Accuracy Best AC Voltage Accuracy
RS Stock No. 162-4458
BrandRS PRO
£276.97
Each
Units
1kA ac 1kA dc 1000V ac 1000V dc 100kΩ Bluetooth 158B - - - ±(1.5% rdg + 5dgts) Multifunction Clamp ±(1.5% rdg + 5dgts) ±(1% rdg + 5dgts)
RS Stock No. 146-9132
BrandRS PRO
£146.00
Each
Units
80A ac 80A dc 600V ac 600V dc 40MΩ - - UKAS 1mA 1mA ±2.5 % - ±2.5 % ±2 %
New
RS Stock No. 192-5799
BrandRS PRO
£309.83
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 136-7824
BrandRS PRO
£233.47
Each
Units
100A ac - - - - - ILCM06R RSCAL 0.001mA - - Leakage Current Clampmeter ±1 % 8 Digits -
RS Stock No. 146-9131
BrandRS PRO
£126.00
Each
Units
80A ac 80A dc 600V ac 600V dc 40MΩ - - RSCAL 1mA 1mA ±2.5 % - ±2.5 % ±2 %
New
RS Stock No. 192-5798
BrandRS PRO
£289.83
Each
Units
- - - - - - - - - - - - - -
New
RS Stock No. 192-5797
BrandRS PRO
£201.94
Each
Units
- - - - - - - - - - - - - -
New
RS Stock No. 192-5796
BrandRS PRO
£181.94
Each
Units
- - - - - - - - - - - - - -
New
RS Stock No. 192-5801
BrandRS PRO
£258.65
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 765-7035
Mfr. Part No.FLUKE 325
BrandFluke
£257.00
Each
Units
400A ac 400A dc 600V ac 600V dc 40kΩ - 325 UKAS 10mA ac 10mA dc - Current, Voltage - -
RS Stock No. 765-7038
Mfr. Part No.FLUKE 325
BrandFluke
£237.00
Each
Units
400A ac 400A dc 600V ac 600V dc 40kΩ - 325 RSCAL 10mA ac 10mA dc - Current, Voltage - -
RS Stock No. 765-3660
Mfr. Part No.FLUKE 325
BrandFluke
£188.00
Each
Units
400A ac 400A dc 600V ac 600V dc 40kΩ - 325 - 10mA 10mA ±(2% rdg + 5dgts) Multifunction Clamp ±(2% rdg + 5dgts) ±(1.5% rdg + 5dgts)
RS Stock No. 922-6220
Mfr. Part No.CM174
BrandFLIR
£458.00
Each
Units
600A ac 600A dc 1000V ac 1000V dc 6kΩ - CM174 - - - ±2 % Multifunction Clamp ±2 % ±1 %
RS Stock No. 921-8819
Mfr. Part No.CM174
BrandFLIR
£558.00
Each
Units
600A ac - 1000V ac - 6000Ω - CM174 UKAS - - ±2 % AC/DC Imaging Clamp Meter ±2 (VFD) %, ±3 (Inrush) % ±1 %
RS Stock No. 921-8815
Mfr. Part No.CM174
BrandFLIR
£538.00
Each
Units
600A ac - 1000V ac - 6000Ω - CM174 RSCAL - - ±2 % AC/DC Imaging Clamp Meter ±2 (VFD) %, ±3 (Inrush) % ±1 %
RS Stock No. 765-6984
Mfr. Part No.FLUKE 323
BrandFluke
£186.00
Each
Units
- - 600V ac 600V dc 400Ω - 323 UKAS 100mA ac - - Current, Voltage ±2% +5 digits ±1% + 5 Digits
RS Stock No. 765-3658
Mfr. Part No.FLUKE 323
BrandFluke
£117.00
Each
Units
400A ac - 600V ac 600V dc 400Ω - 323 - 100mA - - Multifunction Clamp ±(2% rdg + 5dgts) ±(1.5% rdg + 5dgts)
RS Stock No. 765-6988
Mfr. Part No.FLUKE 323
BrandFluke
£166.00
Each
Units
- - 600V ac 600V dc 400Ω - 323 RSCAL 100mA ac - - Current, Voltage ±2% +5 digits ±1% + 5 Digits
RS Stock No. 765-7013
Mfr. Part No.FLUKE 324
BrandFluke
£190.00
Each
Units
400A ac - 600V ac 600V dc 400Ω - 324 RSCAL 10mA ac - - Current, Voltage - -
RS Stock No. 765-3667
Mfr. Part No.FLUKE 324
BrandFluke
£141.00
Each
Units
400A ac - 600V ac 600V dc 400Ω - 324 - 10mA - - Multifunction Clamp ±(1.5% rdg + 5dgts) ±(1.5% rdg + 5dgts)
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