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. 287-642
Mfr. Part No.FLUKE 771
BrandFluke
TWD26,527.00
Each
units
-, - A ac 99.9mA dc - - - - 771 - 10uA ±1% + 5 Digits DC Current Clamp Meter - - -
RS Stock No. 669-3493
Mfr. Part No.Fluke 773
BrandFluke
TWD44,592.00
Each
units
-, - A ac 99.9mA dc - 30V dc - - 773 - 10uA ±1% + 5 Digits DC Current Clamp Meter - - 0.2% + 2 Digits
RS Stock No. 765-3660
Mfr. Part No.FLUKE 325
BrandFluke
TWD8,188.00
Each
units
400A ac 400A dc 600V ac 600V dc 40kΩ - 325 10mA 10mA ±(2% rdg + 5dgts) AC/DC Clamp Meter ±(2% rdg + 5dgts) ±(1.5% rdg + 5dgts) ±(1% rdg + 5dgts)
RS Stock No. 905-5898
Mfr. Part No.0590 7703
BrandTesto
TWD8,376.00
Each
units
600A ac 600A dc 600V ac 600V dc 60MΩ Bluetooth 770-3 0.1µA 0.1µA ±(2% rdg + 5dgts) AC/DC Clamp Meter ±(1.5% rdg + 5dgts) ±(1% rdg + 3dgts) ±(0.8% rdg + 3dgts)
RS Stock No. 848-1343
Mfr. Part No.CM83
BrandFLIR
TWD14,700.00
Each
units
600A ac 600A dc 1000V ac 1000V dc 99.99kΩ Bluetooth CM83 - - ±2 % AC/DC Clamp Meter ±2 % ±0.7 % ±0.7 %
RS Stock No. 765-3658
Mfr. Part No.FLUKE 323
BrandFluke
TWD4,863.00
Each
units
400A ac - 600V ac 600V dc 400Ω - 323 100mA - - AC Current Clamp Meter ±2% +5 digits ±1% + 5 Digits ±(1% rdg + 5dgts)
RS Stock No. 914-5424
Mfr. Part No.Fluke 376
BrandFluke
TWD21,331.00
Each
units
999.9A ac 999.9A dc 1000V ac 1000V dc 60kΩ - 376 0.1A 0.1A 2 % AC/DC Clamp Meter 2.5 % 1.5 % 1 %
RS Stock No. 254-7882
Mfr. Part No.P01120308
TWD22,965.00
Each
units
1kA ac - - - - - C160 - 50µA dc - AC Current Clamp Meter ±1% +1 mV - -
RS Stock No. 669-3490
Mfr. Part No.Fluke 772
BrandFluke
TWD33,660.00
Each
units
-, - A ac 99.9mA dc - - - - 772 - 10uA ±1% + 5 Digits DC Current Clamp Meter - - -
RS Stock No. 252-214
Mfr. Part No.Fluke 345
BrandFluke
TWD65,552.00
Each
units
1.4kA ac 2kA dc 825V ac 825V dc - USB 345 10mA 10mA ±1.5% + 5 Digits Power Clamp Meter ±1.5% +5 digits ±1.5% + 5 Digits ±1.5% + 5 Digits
RS Stock No. 788-4583
Mfr. Part No.CM100
BrandMartindale
TWD6,874.00
Each
units
3kA ac - - - - - CM100 10mA - - AC Flexible Clamp Meter ±(3% rdg + 5dgts) - -
RS Stock No. 765-3667
Mfr. Part No.FLUKE 324
BrandFluke
TWD6,253.00
Each
units
400A ac - 600V ac 600V dc 400Ω - 324 10mA - - AC/DC Clamp Meter ±(1.5% rdg + 5dgts) ±(1.5% rdg + 5dgts) ±(1% rdg + 5dgts)
RS Stock No. 705-1923
Mfr. Part No.FLUKE 381
BrandFluke
TWD23,857.00
Each
units
1kA ac 1kA dc 1000V ac 1000V dc 60kΩ - 381 100mA 100mA ±2% + 5 Digits AC/DC Clamp Meter ±2% +5 digits ±1.5% + 5 Digits ±1% + 5 Digits
RS Stock No. 123-3258
BrandRS PRO
TWD8,559.00
Each
units
600A ac 600A dc 1000V ac 1000V dc 20kΩ - IPM138N 100mA 100mA ±(1% rdg + 5dgts) Power Clamp Meter ±(1% rdg + 5dgts) ±(1% rdg + 5dgts) ±(0.7% rdg + 5dgts)
RS Stock No. 512-5069
Mfr. Part No.P01120761
TWD15,590.00
Each
units
100A ac - 600V ac 600V dc 1kΩ - F65 10µA - - Leakage Clamp Meter ±(2.5% rdg + 5dgts) ±(2.5% rdg + 5dgts) ±(2.5% rdg + 5dgts)
RS Stock No. 411-970
Mfr. Part No.FLUKE 355
BrandFluke
TWD31,088.00
Each
units
2kA ac 2kA dc 600V ac 1000V dc 400kΩ - 355 10mA 10mA ±(1.5% rdg + 5dgts) AC/DC Clamp Meter ±(1.5% rdg + 5dgts) ±(1% rdg + 5dgts) ±(1% rdg + 5dgts)
RS Stock No. 766-0599
Mfr. Part No.P01120923
TWD9,659.00
Each
units
600A ac 900A dc 1000V ac 1000V dc 59.99kΩ - F203 0.01A 0.01A ±1% + 3 Digits AC/DC Clamp Meter ±1% +3 digits ±1% + 3 Digits ±1% + 3 Digits
RS Stock No. 123-3222
BrandRS PRO
TWD6,955.00
Each
units
600A ac 600A dc 600V ac 600V dc 400Ω - ICM136R 100mA 100mA ±(1.9% rdg + 5dgts) AC/DC Clamp Meter ±(1.9% rdg + 5dgts) ±(1% rdg + 5dgts) ±(0.7% rdg + 2dgts)
RS Stock No. 914-5436
Mfr. Part No.3790599
BrandFluke
TWD15,389.00
Each
units
600A ac 600A dc 600V ac 600V dc 6kΩ - 374 0.1A 0.1A 2 % AC/DC Clamp Meter 2 % 1.5 % 1 %
RS Stock No. 411-974
Mfr. Part No.FLUKE 353
BrandFluke
TWD23,771.00
Each
units
2kA ac 2kA dc - - - - 353 10mA 10mA ±(1.5% rdg + 5dgts) AC/DC Clamp Meter ±(1.5% rdg + 5dgts) - -