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. 905-5911
Mfr. Part No.FLUKE-374 FC
BrandFluke
$589.00
Each
units
600A ac 600A dc 1000V ac 1000V dc 6kΩ Bluetooth 374 FC 100mA 100mA ±(2% rdg + 5dgts) Multifunction Clamp ±(2% rdg + 5dgts) ±(1.5% rdg + 5dgts) ±(1% rdg + 5dgts)
RS Stock No. 420-0743
Mfr. Part No.2003A
BrandKyoritsu
$416.67
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
RS Stock No. 765-3667
Mfr. Part No.FLUKE 324
BrandFluke
$291.00
Each
units
400A ac - 600V ac 600V dc 400Ω - 324 10mA - - Multifunction Clamp ±(1.5% rdg + 5dgts) ±(1.5% rdg + 5dgts) ±(1% rdg + 5dgts)
RS Stock No. 811-1325
Mfr. Part No.FLK-A3000 FC
BrandFluke
$337.00
Each
units
400A ac - - - - Wi-Fi A3000 FC 100mA - - Current Clamp ±(2% rdg + 5dgts) - -
RS Stock No. 905-5917
Mfr. Part No.FLUKE-375 FC
BrandFluke
$793.00
Each
units
600A ac 600A dc 1000V ac 1000V dc 60kΩ Bluetooth 375 FC 100mA 100mA ±(2% rdg + 5dgts) Multifunction Clamp ±(2% rdg + 5dgts) ±(1.5% rdg + 5dgts) ±(1% rdg + 5dgts)
RS Stock No. 705-1948
Mfr. Part No.Fluke 373
BrandFluke
$421.00
Each
units
600A ac - 600V ac 600V dc 6kΩ - 373 100mA - - Multifunction Clamp ±2% +5 digits ±1% + 5 Digits ±1% + 5 Digits
RS Stock No. 255-023
Mfr. Part No.2046R
BrandKyoritsu
$400.00
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. 917-5368
Mfr. Part No.FLUKE-902 FC
BrandFluke
$626.00
Each
units
600A ac 200µA dc 600V ac 600V dc 9.999kΩ Wi-Fi 902 FC 10mA 0.1µA ±(1% rdg + 4dgts) Multifunction Clamp ±(2% rdg + 5dgts) ±(1% rdg + 5dgts) ±(1% rdg + 5dgts)
RS Stock No. 247-0142
Mfr. Part No.6111-284
BrandMegger
$727.00
Each
units
300A ac - - - - - DCM300E 10µA - - Leakage Current Clamp ±5% +5 digits - -
RS Stock No. 811-1379
Mfr. Part No.FLK-A3002 FC
BrandFluke
$245.00
Each
units
600A ac 1kA dc - - - Wi-Fi A3002 FC 100mA 100mA ±(0.5% rdg + 3dgts) Current Clamp ±(1% rdg + 3dgts) - -
RS Stock No. 252-214
Mfr. Part No.Fluke 345
BrandFluke
$4,288.00
Each
units
1.4kA ac 2kA dc 825V ac 825V dc - USB 345 10mA 10mA ±1.5% + 5 Digits Power Quality Clamp ±1.5% +5 digits ±1.5% + 5 Digits ±1.5% + 5 Digits
RS Stock No. 705-1941
Mfr. Part No.Fluke 365
BrandFluke
$638.00
Each
units
200A ac 200A dc 600V ac 600V dc 6kΩ - 365 100mA 100mA ±2% + 5 Digits Multifunction Clamp ±2% +5 digits ±1.5% + 5 Digits ±1% + 5 Digits
RS Stock No. 881-2772
Mfr. Part No.FLK-A3004FC
BrandFluke
$1,113.00
Each
units
-, - A ac 99.9mA dc - - - Wi-Fi A3004FC - 10uA ±(0.2% rdg + 5dgts) Milliamp Process Clamp - - -
RS Stock No. 905-5898
Mfr. Part No.0590 7703
BrandTesto
$411.52
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. 507-8301
Mfr. Part No.I400S
BrandFluke
$582.00
Each
units
1kA ac - - - - - I400S - - - Current ±2% +0.15 A - -
RS Stock No. 123-4545
Mfr. Part No.FLUKE-369 FC
BrandFluke
$1,781.00
Each
units
60A ac - - - - Wi-Fi 369 1µA - - Leakage Current Clamp ±(1.5% rdg + 5dgts) - -
RS Stock No. 848-1340
Mfr. Part No.CM78
BrandFLIR
$599.00
Each
units
1kA ac 1kA dc 1000V ac 1000V dc 40MΩ Bluetooth CM78 - - ±2.5 % Multifunction Clamp ±2.5 % ±1.5 % ±1.5 %
RS Stock No. 916-3383
Mfr. Part No.2433R
BrandKyoritsu
$783.33
Each
units
400A ac - - - - - 2433R 0.01mA - - Leakage ±1 % - -
RS Stock No. 543-295
Mfr. Part No.2431
BrandKyoritsu
$516.67
Each
units
200A ac - - - - - - 10µA ac - - Current ±5% +5 digits - -
RS Stock No. 877-7109
Mfr. Part No.CM82
BrandFLIR
$455.00
Each
units
600A ac 600A dc 1000V ac 1000V dc 99.99kΩ - CM82 - - ±2 % Multifunction Clamp ±2 % ±0.7 % ±0.7 %
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