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. 186-5504
Mfr. Part No.AMP-25-EUR
£155.00
Each
Units
300A ac 300A dc - - - - AMP-25-EUR - 10mA 10mA ±(1.5% rdg + 5dgts) Current Clamp ±(1.5% rdg + 5dgts) -
RS Stock No. 181-5026
Mfr. Part No.1005-572
BrandMegger
£301.00
Each
Units
1.5kA ac 1.5kA dc 1500V ac 1500V dc 400Ω - DCM1500 RSCAL 1A 1A ±2.5% ±7 Digits AC/DC Clamp Meter ±3% ±7 Digits ±1% ±5 Digits
RS Stock No. 181-2427
Mfr. Part No.VT8-1000
BrandFLIR
£143.00
Each
Units
200A ac 200A dc 1000V ac 1000V dc 60MΩ - VT8 - 100mA 100mA ±2.5 % Multifunction Clamp ±2.5 % ±1 %
RS Stock No. 648-9364
Mfr. Part No.AC 30
BrandMeterman
£84.42
Each
Units
- - - - - - - - - - - - - -
New
RS Stock No. 193-2936
Mfr. Part No.CM94
BrandFLIR
£364.00
Each
Units
2kA ac 2kA dc 1000V ac 1000V dc - - CM95 - 2000A 2000A ±2 % - ±2 % ±1.2 %
RS Stock No. 181-5029
Mfr. Part No.1000-303
BrandMegger
£131.80
Each
Units
400A ac - 400V ac - 20MΩ - DCM310 RSCAL - - - AC/DC Clamp Meter ±2% ±0.5 A -
RS Stock No. 181-5008
Mfr. Part No.1000-304
BrandMegger
£96.00
Each
Units
400A ac - 600V ac 600V dc 20MΩ - DCM320 - 100mA - - Multifunction Clamp ±(2% rdg + 5dgts) ±(1.5% rdg + 5dgts)
RS Stock No. 179-4710
Mfr. Part No.2009-574
BrandMegger
£199.20
Each
Units
100A ac - - - - - - - 1µA - - Leakage Current Clamp ±(1% rdg + 8dgts) -
RS Stock No. 186-6005
Mfr. Part No.AMP-25-EUR
£204.00
Each
Units
300A ac 300A dc - - - - AMP-25-EUR - 10mA 10mA ±1.5 % + 5 LSD AC/DC Clamp Meter ±1.5 % + 5 LSD (100 400 Hz 3 A), ±1.5 % + 5 LSD (50 100 Hz 3 A) -
RS Stock No. 181-2435
Mfr. Part No.VT8-600
BrandFLIR
£185.00
Each
Units
- - - - - - - - - - - - - -
New
RS Stock No. 192-5011
Mfr. Part No.BK316
£211.00
Each
Units
100A ac 100A dc 600V ac 600V dc 10kΩ - BK316 - 1mA 1mA 4.5% ± 10 Digits - 3.5% ± 10 Digits 1.5% ± 5 Digits
RS Stock No. 189-4509
Mfr. Part No.PAC26
£235.62
Each
Units
100 (150A Calibre) A ac, 1000 (1400A Calibre) A ac 1400 (1400A Calibre) A dc, 150 (60A Calibre) A dc - - - - PAC26 - - - 1.5 (150A Calibre) %, 5 (1400A Calibre) % - 1.5 (150A Calibre) %, 4 (1400A Calibre) % -
New
RS Stock No. 189-4672
Mfr. Part No.PAC26
£304.62
Each
Units
100 (150A Calibre) A ac, 1000 (1400A Calibre) A ac 1400 (1400A Calibre) A dc, 150 (60A Calibre) A dc - - - - PAC26 - - - 1.5 (150A Calibre) %, 5 (1400A Calibre) % - 1.5 (150A Calibre) %, 4 (1400A Calibre) % -
New
RS Stock No. 193-2933
Mfr. Part No.CM65
BrandFLIR
£428.00
Each
Units
600A ac 600A dc 1000V ac 1000V dc - Wireless CM65 - 600A 600A ±1.5 % - ±1.5 % ±7 %
RS Stock No. 181-5028
Mfr. Part No.1005-572
BrandMegger
£321.00
Each
Units
1.5kA ac 1.5kA dc 1500V ac 1500V dc 400Ω - DCM1500 UKAS 1A 1A ±2.5% ±7 Digits AC/DC Clamp Meter ±3% ±7 Digits ±1% ±5 Digits
New
RS Stock No. 192-4574
Mfr. Part No.BK316
£168.00
Each
Units
100A ac 100A dc 600V ac 600V dc 10kΩ - BK316 - 1mA 1mA 4.5% ± 10 Digits - 3.5% ± 10 Digits 1.5% ± 5 Digits
New
RS Stock No. 193-2932
Mfr. Part No.CM65
BrandFLIR
£408.00
Each
Units
600A ac 600A dc 1000V ac 1000V dc - Wireless CM65 - 600A 600A ±1.5 % - ±1.5 % ±7 %
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