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. 765-3660
Mfr. Part No.FLUKE 325
BrandFluke
$385.00
Each
units
400A ac 400A dc 600V ac 600V dc 40kΩ - 325 10mA ac 10mA dc - Current, Voltage - - -
RS Stock No. 905-5911
Mfr. Part No.FLUKE-374 FC
BrandFluke
$634.70
Each
units
2.5 (Probe) kA ac, 600 (Jaw) A ac 600A dc 600V ac 600V dc 6kΩ - 374 FC 0.1 (Jaw) A ac, 1 (Probe) A ac 0.1A dc 2% ±5 Digits Voltage & Current Tester 2% ±5 Digits (Jaw), 3% ±5 (Probe) 1.5% ±5 Digits 1% ±5 Digits
RS Stock No. 905-5914
Mfr. Part No.FLUKE-376 FC
BrandFluke
$1,002.10
Each
units
2.5 (Probe) kA ac, 999.9 (Jaw) A ac 999.9A dc 1000V ac 1000V dc 60kΩ - 376 FC 0.1 (Jaw) A ac, 1 (Probe) A ac 0.1A dc 2% ±5 Digits Voltage & Current Tester 2% ±5 Digits (Jaw), 3% ±5 (Probe) 1.5% ±5 Digits 1% ±5 Digits
RS Stock No. 765-3658
Mfr. Part No.FLUKE 323
BrandFluke
$276.10
Each
units
- - 600V ac 600V dc 400Ω - 323 100mA ac - - Current, Voltage ±2% +5 digits ±1% + 5 Digits -
RS Stock No. 705-1948
Mfr. Part No.Fluke 373
BrandFluke
$453.20
Each
units
600A ac - 600V ac 600V dc 6kΩ - 373 100mA ac - - Capacitance, Continuity, Current, Resistance, Voltage ±2% +5 digits ±1% + 5 Digits ±1% + 5 Digits
RS Stock No. 905-5917
Mfr. Part No.FLUKE-375 FC
BrandFluke
$854.70
Each
units
2.5 (Probe) kA ac, 600 (Jaw) A ac 600A dc 600V ac 600V dc 60kΩ - 375 FC 0.1 (Jaw) A ac, 1 (Probe) A ac 0.1A dc 2% ±5 Digits Voltage & Current Tester 2% ±5 Digits (Jaw), 3% ±5 (Probe) 1.5% ±5 Digits 1% ±5 Digits
RS Stock No. 705-1923
Mfr. Part No.FLUKE 381
BrandFluke
$1,075.80
Each
units
2.5kA ac 999.9A dc 1000V ac 1000V dc 60kΩ - 381 100mA ac 100mA dc ±2% + 5 Digits Continuity, Current, Frequency, Resistance, Voltage ±2% +5 digits ±1.5% + 5 Digits ±1% + 5 Digits
RS Stock No. 765-3667
Mfr. Part No.FLUKE 324
BrandFluke
$313.50
Each
units
400A ac - 600V ac 600V dc 400Ω - 324 10mA ac - - Current, Voltage - - -
RS Stock No. 669-3493
Mfr. Part No.Fluke 773
BrandFluke
$2,260.50
Each
units
- 100mA dc - 30V dc - - 773 - 10µA dc ±1% + 5 Digits Current, Voltage - - 0.2% + 2 Digits
RS Stock No. 811-1379
Mfr. Part No.FLK-A3002 FC
BrandFluke
$264.00
Each
units
600A ac 1kA dc - - - - A3002 FC 100mA ac 100mA dc - Current Tester - - -
RS Stock No. 247-0142
Mfr. Part No.6111-284
BrandMegger
$803.00
Each
units
300A ac - - - - - DCM300E 10µA ac - - Current ±5% +5 digits - -
RS Stock No. 287-642
Mfr. Part No.FLUKE 771
BrandFluke
$1,127.50
Each
units
- 100mA dc - - - - 771 - 10µA dc ±1% + 5 Digits Current - - -
RS Stock No. 123-3230
BrandRS PRO
$83.18
Each
units
400A ac - - - - - ICM20 0.1A - - Current Tester ±2% ± 0.5A - -
RS Stock No. 123-3252
BrandRS PRO
$193.07
Each
units
300A ac 300A dc 600V ac 600V dc 40MΩ - ICM30R 10 mA ac, 100 mA ac 10 mA dc, 100 mA dc + 5 Digits; ±3% - + 5 Digits; ±2% + 5 Digits; ±2% + 5 Digits; ±0.5%
RS Stock No. 917-5368
Mfr. Part No.FLUKE-902 FC
BrandFluke
$674.30
Each
units
600A ac 200µA dc 600V ac 600V dc 9.999kΩ - 902 FC 0.1A 0.1µA 1 % Continuity Tester 2 % 1 % 1 %
RS Stock No. 520-2532
Mfr. Part No.Fluke i400
BrandFluke
$324.50
Each
units
400A ac - - - - - I400 - - - Current ±2% +0.15 A - -
RS Stock No. 122-5531
Mfr. Part No.CM69
BrandMartindale
$729.31
Each
units
60A ac - 600V ac 600V dc 600kΩ - CM69 0.001mA - - - 1 % + 8 Digits 1 % + 3 Digits 1 % + 2 Digits
RS Stock No. 123-3257
BrandRS PRO
$372.93
Each
units
600A ac 600A dc 1000V ac 1000V dc 100kΩ - IPM243F 0.01A 0.01A ±1.5% + 5 Digits Current, Voltage ±1.5% + 5 Digits ±1% + 5 Digits ±0.7% + 2 Digits
RS Stock No. 123-2242
BrandRS PRO
$104.53
Each
units
400A ac - 600V ac 600V dc 400Ω - ICM3091N 0.01A - - AC Clamp Meter ±2 % + 10 Digits ±1.5 % + 10 Digits ±1 % + 5 Digits
RS Stock No. 669-3490
Mfr. Part No.Fluke 772
BrandFluke
$1,580.70
Each
units
- 100mA dc - - - - 772 - 10µA dc ±1% + 5 Digits Current - - -
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