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 811-1331
製造零件編號FLK-A3001 FC
BrandFluke
HK$2,160.93
單位
2.5kA ac - - - - Wi-Fi A3001 FC 100mA - - AC Current Clamp Meter ±(3% rdg + 5dgts) - -
全新
RS庫存編號 200-3702
BrandRS PRO
HK$1,022.74
單位
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庫存編號 193-2379
製造零件編號CM65
BrandFLIR
HK$4,333.13
單位
600A ac 600A dc 1000V ac 1000V dc - Wireless CM65 600A 600A ±1.5 % Solar Clamp Meter ±1.5 % ±7 % ±1 %
RS庫存編號 123-3229
BrandRS PRO
HK$1,137.94
單位
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庫存編號 123-2242
BrandRS PRO
HK$620.13
單位
400A ac - 600V ac 600V dc 400Ω - ICM3091N 10mA - - Power Clamp Meter ±(2% rdg + 10dgts) ±(1.5% rdg + 10dgts) ±(1% rdg + 5dgts)
RS庫存編號 124-1958
BrandRS PRO
HK$679.32
單位
300A ac - 600V ac 600V dc 30MΩ - IEK10N 30mA - - AC Current Clamp Meter ±(1.9% rdg + 0.5A) ±(1.7% rdg + 7dgts) ±(0.7% rdg + 2dgts)
RS庫存編號 123-4545
製造零件編號FLUKE-369 FC
BrandFluke
HK$6,953.48
單位
60A ac - - - - Wi-Fi 369 1µA - - Leakage Clamp Meter ±(1.5% rdg + 5dgts) - -
RS庫存編號 848-1347
製造零件編號CM85
BrandFLIR
HK$3,502.23
單位
1kA ac 1kA dc 1000V ac 1000V dc 99.99kΩ Bluetooth CM85 - - ±2 % Power Clamp Meter ±2 % ±0.7 % ±0.7 %
RS庫存編號 346-7412
製造零件編號MX0350Z
BrandMetrix
HK$1,609.79
單位
400A ac - 600V ac 600V dc 399.9Ω - MX0350-Z 10mA - - Multifunction Clamp ±(1.9% rdg + 5dgts) ±(1.5% rdg + 5dgts) ±(1% rdg + 2dgts)
RS庫存編號 2552562273
製造零件編號KEW 2010 (1)
BrandKyoritsu
HK$5,483.60
單位
- - - - - - - - - - - - - -
RS庫存編號 2552562275
製造零件編號KEW 2031 (1)
BrandKyoritsu
HK$1,207.56
單位
- - - - - - - - - - - - - -
RS庫存編號 2552562265
製造零件編號KEW 2001 (1)
BrandKyoritsu
HK$1,645.90
單位
- - - - - - - - - - - - - -
RS庫存編號 2552562276
製造零件編號KEW 2033 (1)
BrandKyoritsu
HK$2,348.93
單位
- - - - - - - - - - - - - -
RS庫存編號 2552562268
製造零件編號KEW 2002PA (1)
BrandKyoritsu
HK$1,761.70
單位
- - - - - - - - - - - - - -
RS庫存編號 2552562294
製造零件編號KEW 2433R (1)
BrandKyoritsu
HK$4,871.55
單位
- - - - - - - - - - - - - -
RS庫存編號 2552562277
製造零件編號KEW 2040 (1)
BrandKyoritsu
HK$1,356.42
單位
- - - - - - - - - - - - - -
RS庫存編號 2552562269
製造零件編號KEW 2002R (1)
BrandKyoritsu
HK$2,621.88
單位
- - - - - - - - - - - - - -
RS庫存編號 2552554161
製造零件編號ACDC-100 TRMS (1)
BrandFluke
HK$1,700.00
單位
- - - - - - - - - - - - - -
RS庫存編號 2552562295
製造零件編號KEW 2434 (1)
BrandKyoritsu
HK$3,848.29
單位
- - - - - - - - - - - - - -
RS庫存編號 2552562278
製造零件編號KEW 2046R (1)
BrandKyoritsu
HK$2,142.17
單位
- - - - - - - - - - - - - -