Hioki 4374 digital clamp meter

In stock


Hioki 4374 digital clamp meter designed for measuring both AC and DC current. It has a current range of up to 2,000A and a voltage range of up to 600V AC/DC. The meter features a 55mm diameter jaw that can be opened up to 50mm to accommodate thick cables and bus bars. It is also capable of measuring resistance, continuity, diode test, capacitance, and frequency.

Applications: Electrical Maintenance and Troubleshooting, Power Quality Analysis, Energy Auditing, Electrical Safety, Industrial Automation.

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Hioki 4374 digital clamp meter are best-in-class measuring devices incorporating Hikoi’s expertise in current sensing technology. The CM4374 is a 2000A True RMS clamp meter that features stronger jaws, broader -25°C to 65°C operating temperature range and IP54 dustproof and waterproof enclosure to enable professionals to work quickly in tough situations including the development, repair, and maintenance of equipment and devices such as electric vehicles. Additionally, the high-voltage DC measurement capability of up to 1700 V (*1) is ideal for the clamp maintenance inspections of electrical and solar power equipment. Measured values can be sent to a smartphone or tablet using Bluetooth® wireless technology and displayed as waveforms in real time.

Features of Hioki 4374 digital clamp meter:

  • The meter can measure the True RMS values of AC voltage and current. This ensures accurate readings even when measuring distorted waveforms.
  • The meter features a large, easy-to-read backlit display that shows measured values as well as various indicators such as battery level and data hold.
  • The data hold function allows you to freeze the displayed value on the screen, making it easier to record the measurement.
  • The meter can automatically select the appropriate range for the measured parameter, making it easy to use for a variety of applications.
  • The meter also features a non-contact voltage detection function that alerts you to the presence of AC voltage without the need for direct contact.
  • The Hioki 4374 has Bluetooth connectivity that allows it to wirelessly transmit measurement data to a smartphone or tablet for further analysis and reporting.

Additional information



Model No


DC Current

600.0 A/2000 A



AC Current

600.0 A/2000 A (10 Hz to 1 kHz, True RMS)



Crest factor

600.0 A range: 3 or less, 2000 A range: 2.84 or less

DC+AC Current

600.0 A/2000 A (10 Hz to 1 kHz, True RMS)



DC Voltage

600.0 mV to 1700 V




600.0 Ω to 600.0 kΩ, 4 ranges




1.000 μF to 1000 μF, 4 ranges




9.999 Hz to 999.9 Hz, 3 ranges



Temperature - TC Type K

-40.0 to 400.0 ˚C






Bluetooth® 4.0LE, Supported devices: iOS, Android™ smartphone/tablet

Power Supply

LR03 Alkaline battery ×2

Supply Scope

TEST LEAD L9207-10, CARRYING CASE C0203, LR03 Alkaline battery ×2, Instruction Manual ×1, Precautions Concerning Use of Equipment that Emits Radio Waves ×1


65 mm (2.56 in) W×250 mm (9.84 in) H×35 mm (1.38 in) D


530 g

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