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. 123-3422
BrandRS PRO
£92.58
Each
Units
400A ac - - - - - ICM20 RSCAL 0.1A - - Current Tester ±2% ± 0.5A -
RS Stock No. 123-3423
BrandRS PRO
£112.58
Each
Units
400A ac - - - - - ICM20 UKAS 0.1A - - Current Tester ±2% ± 0.5A -
RS Stock No. 123-3230
BrandRS PRO
£43.58
Each
Units
400A ac - - - - - ICM20 - 100mA - - Current Clamp ±(2% rdg + 0.5A) -
RS Stock No. 124-1963
BrandRS PRO
£250.86
Each
Units
1kA ac 1kA dc 1000V ac 1000V dc 100kΩ - IPM245F - 100mA 100mA ±(1.5% rdg + 5dgts) Multifunction Clamp ±(1.5% rdg + 5dgts) ±(1% rdg + 5dgts)
New
RS Stock No. 192-5793
BrandRS PRO
£319.86
Each
Units
- - - - - - - - - - - - - -
New
RS Stock No. 192-5791
BrandRS PRO
£299.86
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 123-3380
BrandRS PRO
£157.39
Each
Units
300A ac 300A dc 600V ac 600V dc 40MΩ - ICM30R RSCAL 10 mA ac, 100 mA ac 10 mA dc, 100 mA dc + 5 Digits; ±3% - + 5 Digits; ±2% + 5 Digits; ±2%
RS Stock No. 123-3252
BrandRS PRO
£108.39
Each
Units
300A ac 300A dc 600V ac 600V dc 40MΩ - ICM30R - 10mA 10mA ±(1% rdg + 2dgts) Multifunction Clamp ±(1% rdg + 3dgts) ±(1.5% rdg + 5dgts)
RS Stock No. 123-3381
BrandRS PRO
£177.39
Each
Units
300A ac 300A dc 600V ac 600V dc 40MΩ - ICM30R UKAS 10 mA ac, 100 mA ac 10 mA dc, 100 mA dc + 5 Digits; ±3% - + 5 Digits; ±2% + 5 Digits; ±2%
RS Stock No. 123-2317
BrandRS PRO
£260.20
Each
Units
2.1kA ac 2.5kA dc 600V ac 600V dc 40MΩ - ICM2000N RSCAL 0.1A 0.1A ±1.5 % ± 3 Digits Power ±1.5 % ± 5 Digits ±1.5 % ± 5 Digits
RS Stock No. 123-2318
BrandRS PRO
£280.20
Each
Units
2.1kA ac 2.5kA dc 600V ac 600V dc 40MΩ - ICM2000N UKAS 0.1A 0.1A ±1.5 % ± 3 Digits Power ±1.5 % ± 5 Digits ±1.5 % ± 5 Digits
RS Stock No. 123-2206
BrandRS PRO
£211.20
Each
Units
2.1kA ac 2.5kA dc 600V ac 600V dc 40MΩ - ICM2000N - 100mA 100mA ±(1.5% rdg + 3dgts) Multifunction Clamp ±(1.5% rdg + 5dgts) ±(1.5% rdg + 5dgts)
RS Stock No. 123-3433
BrandRS PRO
£193.54
Each
Units
600A ac 600A dc 600V ac 600V dc 400Ω - ICM136R RSCAL 0.1A 0.1A ±1.9% + 5 Digits Current, Voltage ±1.9% +5 digits ±1% + 5 Digits
RS Stock No. 123-3434
BrandRS PRO
£213.54
Each
Units
600A ac 600A dc 600V ac 600V dc 400Ω - ICM136R UKAS 0.1A 0.1A ±1.9% + 5 Digits Current, Voltage ±1.9% +5 digits ±1% + 5 Digits
RS Stock No. 123-3222
BrandRS PRO
£144.54
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)
RS Stock No. 123-2242
BrandRS PRO
£50.60
Each
Units
400A ac - 600V ac 600V dc 400Ω - ICM3091N - 10mA - - Multifunction Clamp ±(2% rdg + 10dgts) ±(1.5% rdg + 10dgts)
RS Stock No. 123-2385
BrandRS PRO
£119.60
Each
Units
400A ac - 600V ac 600V dc 400Ω - ICM3091N UKAS 0.01A - - AC Clamp Meter ±2 % + 10 Digits ±1.5 % + 10 Digits
RS Stock No. 123-2384
BrandRS PRO
£99.60
Each
Units
400A ac - 600V ac 600V dc 400Ω - ICM3091N RSCAL 0.01A - - AC Clamp Meter ±2 % + 10 Digits ±1.5 % + 10 Digits
RS Stock No. 123-3232
BrandRS PRO
£68.25
Each
Units
200A ac - 1000V ac 1000V dc 2kΩ - ICMA5 - 100mA - - Multifunction Clamp ±(3% rdg + 3dgts) ±(1.5% rdg + 5dgts)
RS Stock No. 123-3468
BrandRS PRO
£117.25
Each
Units
200A ac - 750V ac - 2000Ω - ICMA5 RSCAL - - - Current, Voltage ±3% +3 digits ±1.5% + 3 Digits