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. 916-3371
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 %
RS Stock No. 794-3226
Mfr. Part No.CHB15-D
$554.76
Each
units
200A ac 200A dc 400V ac 400V dc 400Ω - CHB15-D - - ±(2% rdg + 2dgts) Multifunction Clamp ±(2% rdg + 4dgts) ±(2% rdg + 2dgts) ±(2% rdg + 2dgts)
RS Stock No. 906-3912
Mfr. Part No.CM57
BrandFLIR
$379.00
Each
units
3kA ac - - - - Bluetooth CM57 10mA - - Current Clamp ±(3% rdg + 5dgts) - -
RS Stock No. 353-3957
Mfr. Part No.DCM400
$229.95
Each
units
400A ac - 600V ac 600V dc 400Ω - - 10mA ac - - Continuity, Current, Frequency, Resistance, Voltage ±1.9% +5 digits ±1.5% + 5 Digits ±1% + 2 Digits
RS Stock No. 905-5891
Mfr. Part No.0590 7701
BrandTesto
$255.69
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. 788-4583
Mfr. Part No.CM100
BrandMartindale
$327.72
Each
units
3kA ac - - - - - CM100 10mA - - Current Clamp ±(3% rdg + 5dgts) - -
RS Stock No. 873-9728
Mfr. Part No.AMP-210-EUR
$213.21
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. 788-4571
Mfr. Part No.RSET4
BrandMartindale
$280.91
Each
units
200A ac 200A dc 600V ac 600V dc 50MΩ - ET4 100mA 100mA ±(2% rdg + 5dgts) Multifunction Clamp ±(2% rdg + 10dgts) ±(1.2% rdg + 5dgts) ±(0.5% rdg + 2dgts)
RS Stock No. 873-9734
Mfr. Part No.AMP-320-EUR
$349.13
Each
units
600A ac 600A dc 600V ac 600V dc 60kΩ - AMP 320 - - ±(2% rdg + 5dgts) Multifunction Clamp ±(1.8% rdg + 5dgts) ±(1% rdg + 5dgts) ±(1% rdg + 5dgts)
RS Stock No. 794-3077
Mfr. Part No.ACD-10 PLUS
BrandAmprobe
$199.84
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. 216-6679
Mfr. Part No.P01120067A
$1,132.66
Each
units
3A ac 4.5A dc - - - - K1 100µA ac 50µA dc ±1 % AC/DC Clamp Meter ±1 % - -
RS Stock No. 873-9721
Mfr. Part No.AMP-220-EUR
$279.45
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. 778-1059
Mfr. Part No.P01120576Z
$305.67
Each
units
400A ac - - - - - MA400D-250 1mA - - Current Clamp ±(1.5% rdg + 2dgts) - -
RS Stock No. 788-4580
Mfr. Part No.RSET5
BrandMartindale
$314.97
Each
units
200A ac 200A dc 600V ac 600V dc 50MΩ - ET5 100mA 100mA ±(2% rdg + 5dgts) Multifunction Clamp ±(2% rdg + 10dgts) ±(1.2% rdg + 5dgts) ±(0.5% rdg + 2dgts)
RS Stock No. 873-9725
Mfr. Part No.AMP-310-EUR
$298.08
Each
units
600A ac - 600V ac 600V dc 60kΩ - AMP 310 - - - Multifunction Clamp ±(1.8% rdg + 5dgts) ±(1% rdg + 5dgts) ±(1% rdg + 5dgts)
RS Stock No. 916-3374
Mfr. Part No.2009R
BrandKyoritsu
$666.67
Each
units
2kA ac 2kA dc 750V ac 1000V dc 4kΩ - 2009R 0.1A 0.1A ±1.3 % Digital ±1.3 % ±1.5 % ±1 %
RS Stock No. 411-734
Mfr. Part No.AC68C
BrandAmprobe
$476.10
Each
units
600A ac 600A dc 600V ac 600V dc 4kΩ - AC68C 100mA 100mA ±(2% rdg + 5dgts) Multifunction Clamp ±(2% rdg + 5dgts) ±(1.2% rdg + 5dgts) ±(0.75% rdg + 2dgts)
RS Stock No. 766-0618
Mfr. Part No.P01120947
$1,034.95
Each
units
1kA ac 1.5kA dc 1000V ac 1000V dc 99.99kΩ Bluetooth F407 - - ±(1% rdg + 3dgts) Multifunction Clamp ±(1% rdg + 3dgts) ±(1% rdg + 3dgts) ±(1% rdg + 3dgts)
RS Stock No. 346-7406
Mfr. Part No.MX0355Z
BrandMetrix
$466.32
Each
units
400A ac 400A dc 600V ac 600V dc 399.9Ω - MX0355-Z 10mA 10mA ±(2.5% rdg + 10dgts) Multifunction Clamp ±(2% rdg + 10dgts) ±(1.5% rdg + 5dgts) ±(1% rdg + 2dgts)
RS Stock No. 216-6629
Mfr. Part No.P01120073
$539.07
Each
units
1kA ac 1.4kA dc - - - - PAC22 - - ±4 % Current ±4 % - -
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