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. 123-3229
BrandRS PRO
SGD180.11
Each
units
600A ac - 600V ac 600V dc 400Ω - ICM135R 100mA - - AC Current Clamp Meter ±(1.9% rdg + 5dgts) ±(1% rdg + 5dgts) ±(0.7% rdg + 2dgts)
RS Stock No. 136-7823
BrandRS PRO
SGD358.40
Each
units
100A ac - - - - - ILCM06R 1µA - - Leakage Clamp Meter ±(1% rdg + 8dgts) - -
RS Stock No. 123-1936
BrandRS PRO
SGD52.23
Each
units
400A ac - 600V ac 600V dc 20MΩ - RS330 1mA - - AC Auto-Ranging Clamp Meter ±(2% rdg + 4dgts) ±(1.5% rdg + 3dgts) ±(1.2% rdg + 3dgts)
RS Stock No. 123-3227
BrandRS PRO
SGD400.87
Each
units
1kA ac 1kA dc 750V ac 1000V dc 400Ω - ICM139R 100mA 100mA ±(1% rdg + 3dgts) AC/DC Clamp Meter ±(1.5% rdg + 5dgts) ±(1% rdg + 5dgts) ±(0.7% rdg + 2dgts)
RS Stock No. 162-4458
BrandRS PRO
SGD539.15
Each
units
1kA ac 1kA dc 1000V ac 1000V dc 100kΩ Bluetooth 158B - - ±(1.5% rdg + 5dgts) Power Clamp Meter ±(1.5% rdg + 5dgts) ±(1% rdg + 5dgts) ±(0.7% rdg + 2dgts)
RS Stock No. 146-9096
BrandRS PRO
SGD167.57
Each
units
80A ac 80A dc 600V ac 600V dc 40MΩ - - 1mA 1mA ±(3% rdg + 8dgts) AC/DC Clamp Meter ±(3% rdg + 8dgts) ±(2% rdg + 5dgts) ±(1.5% rdg + 2dgts)
RS Stock No. 123-1935
BrandRS PRO
SGD60.92
Each
units
400A ac - 600V ac 600V dc 20MΩ - RS380 10mA - - AC Auto-Ranging Clamp Meter ±(2.5% rdg + 5dgts) ±(1.5% rdg + 8dgts) ±(1.5% rdg + 2dgts)
RS Stock No. 123-3228
BrandRS PRO
SGD180.43
Each
units
600A ac 4mA dc 750V ac 1000V dc 40MΩ - ICM134 100mA - - HVAC Clamp Meter ±(1.9% rdg + 1A) ±(1.5% rdg + 5dgts) ±(0.9% rdg + 2dgts)
RS Stock No. 201-0209
BrandRS PRO
SGD186.30
Each
units
3kA ac - - - - Bluetooth DT-388 - - - AC Flexible Clamp Meter - - -
New
RS Stock No. 204-8313
BrandRS PRO
SGD496.33
Each
units
1.5kA ac 1.5kA dc 1000V ac 1000V dc - - 177 - - - Industrial Clamp Meter - - -
New
RS Stock No. 204-8312
BrandRS PRO
SGD415.28
Each
units
600A ac 600A dc 1000V ac 1000V dc - - 175 - - - Industrial Clamp Meter - - -
New
RS Stock No. 200-3702
BrandRS PRO
SGD162.64
Each
units
1000A ac 1000A dc 600V ac 600V dc 500Ω - - - - ±2.5% + 5 Digits AC/DC Clamp Meter ±2.5% + 5 Digits ±1% + 30 Digits ±0.1% + 4 Digits
RS Stock No. 162-4455
BrandRS PRO
SGD352.94
Each
units
600A ac - 1000V ac 1000V dc 100kΩ Bluetooth 155B - - - Power Clamp Meter ±(1.5% rdg + 5dgts) ±(1% rdg + 5dgts) ±(0.7% rdg + 2dgts)
RS Stock No. 162-4457
BrandRS PRO
SGD434.59
Each
units
1kA ac - 1000V ac 1000V dc 100kΩ Bluetooth 157B - - - Power Clamp Meter ±(1.5% rdg + 5dgts) ±(1% rdg + 5dgts) ±(0.7% rdg + 2dgts)
RS Stock No. 162-4456
BrandRS PRO
SGD530.86
Each
units
600A ac 600A dc 1000V ac 1000V dc 100kΩ Bluetooth 156B - - ±(1.5% rdg + 5dgts) Power Clamp Meter ±(1.5% rdg + 5dgts) ±(1% rdg + 5dgts) ±(0.7% rdg + 2dgts)
RS Stock No. 765-3660
Mfr. Part No.FLUKE 325
BrandFluke
SGD559.00
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. 765-3658
Mfr. Part No.FLUKE 323
BrandFluke
SGD246.00
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. 247-0142
Mfr. Part No.6111-284
BrandMegger
SGD844.06
Each
units
300A ac - - - - - DCM300E 10µA - - Leakage Clamp Meter ±5% +5 digits - -
RS Stock No. 914-5424
Mfr. Part No.Fluke 376
BrandFluke
SGD893.20
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. 669-3493
Mfr. Part No.Fluke 773
BrandFluke
SGD2,298.00
Each
units
-, - A ac 100mA dc - 30V dc - - 773 - 10uA ±1% + 5 Digits DC Current Clamp Meter - - 0.2% + 2 Digits