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庫存編號 778-1052
製造零件編號P01120577Z
HK$1,952.23
單位
3.999kA ac - - - - - MA4000D-350 10mA ac - - Current ±1.5% +2 counts - -
RS庫存編號 179-4695
製造零件編號CM44
BrandFLIR
HK$1,622.93
單位
400A ac - 600V ac - 60kΩ - CM4X - - ±2 % - ±2 % ±1 % -
RS庫存編號 216-6679
製造零件編號P01120067A
HK$5,490.41
單位
3A ac 4.5A dc - - - - K1 100µA ac 50µA dc ±1 % AC/DC Clamp Meter ±1 % - -
RS庫存編號 905-5911
製造零件編號FLUKE-374 FC
BrandFluke
HK$3,150.00
單位
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庫存編號 123-1935
BrandRS PRO
HK$256.26
單位
400A ac - 600V ac 600V dc 20MΩ - RS380 0.01A ac - - AC/DC Clamp Meter ±2.5% ± 5 Digits ±1.5% ± 10 Digits ±1.5% ± 2 Digits
RS庫存編號 179-4696
製造零件編號CM46
BrandFLIR
HK$2,294.63
單位
400A ac 60A dc 600V ac 600V dc 60kΩ - CM4X - - ±2 % - ±2 % ±1 % ±1 %
RS庫存編號 512-5069
製造零件編號P01120761
HK$4,143.97
單位
100A ac - 600V ac 600V dc 1kΩ - F65 10µA ac - - Continuity, Current, Frequency, Leakage Current, Resistance, Voltage ±1.2 % +5 digits ±1 % +5 digits ±1% + 2 Digits
RS庫存編號 811-1379
製造零件編號FLK-A3002 FC
BrandFluke
HK$1,997.00
單位
600A ac 1kA dc - - - - A3002 FC 100mA ac 100mA dc - Current Tester - - -
RS庫存編號 778-1040
製造零件編號P01120575Z
HK$1,557.44
單位
399.9A ac - - - - - MA400D-170 1mA ac - - Current ±1.5% +2 counts - -
RS庫存編號 179-4694
製造零件編號CM42
BrandFLIR
HK$1,399.15
單位
400A ac - 600V ac - 60kΩ - CM4X - - ±2 % - ±2 % ±1 % -
RS庫存編號 162-4455
BrandRS PRO
HK$2,015.57
單位
600A ac - 1000V ac 1000V dc 100kΩ Bluetooth 155B 0.01A - - Power ±1.5 + 5 Digit % ±1 + 5 Digit % ±0.7 + 2 Digit %
RS庫存編號 181-5007
製造零件編號1000-303
BrandMegger
HK$999.40
單位
400A ac - 400V ac - 20MΩ - DCM310 - - - AC/DC Clamp Meter ±2% ±0.5 A - -
RS庫存編號 123-2242
BrandRS PRO
HK$496.00
單位
400A ac - 600V ac 600V dc 400Ω - ICM3091N 0.01A - - AC Clamp Meter ±2 % + 10 Digits ±1.5 % + 10 Digits ±1 % + 5 Digits
RS庫存編號 905-5914
製造零件編號FLUKE-376 FC
BrandFluke
HK$3,790.00
單位
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庫存編號 181-2426
製造零件編號VT8-600
BrandFLIR
HK$1,389.02
單位
100A ac 100A dc 600V ac 600V dc 60MΩ - VT8 0.1A 0.1A ±2.5 % - ±2.5 % ±1.5 % ±1.5 %
RS庫存編號 917-5368
製造零件編號FLUKE-902 FC
BrandFluke
HK$2,918.00
單位
600A ac 200µA dc 600V ac 600V dc 9.999kΩ - 902 FC 0.1A 0.1µA 1 % Continuity Tester 2 % 1 % 1 %
RS庫存編號 766-0599
製造零件編號P01120923
HK$2,225.74
單位
600A ac 900A dc 1000V ac 1000V dc 59.99kΩ - F203 10mA ac 10mA dc ±1% + 3 Digits Continuity, Current, Diode, Frequency, Resistance, Temperature, Voltage ±1% +3 digits ±1% + 3 Digits ±1% + 3 Digits
RS庫存編號 123-1936
BrandRS PRO
HK$223.00
單位
400A ac - 600V ac 600V dc 20MΩ - RS330 1mA ac - - AC/DC Clamp Meter ±3% + 4 Digits ±1.5% + 2 Digits ±0.5% + 1 Digits
RS庫存編號 123-4545
製造零件編號FLUKE-369 FC
BrandFluke
HK$7,329.00
單位
60A ac - - - - - 369 0.001mA - - Current Tester 1 % + 5 Digits - -
RS庫存編號 123-3252
BrandRS PRO
HK$993.19
單位
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%