Eigenschaften
Range	0,1-600V
Dimensions / weight	223 x 126 x 70 mm / 1 kg

The current clamp G72 is an accessory for the earth resistance tester C.A 6424 by Chauvin Arnoux. It is used for precise measurement of leakage currents in electrical installations and enables checking of earthing quality as well as identification of currents flowing through the earthing system. The clamp is specifically designed for use with the C.A 6424 and is directly connected to its current measurement input, causing the device to automatically switch to current measurement mode.

Applications

The current clamp G72 is primarily used in the field of electrical installation and safety testing of earthing systems. It is suitable for measuring leakage currents in a range from 0.5 mA to 60 A, making it applicable for testing protective conductors, residual current circuit breakers, and other safety systems. The measurement is performed in three selectable ranges, ensuring optimal resolution and accuracy depending on the application.

Functions and Equipment in Detail

The clamp enables measurement of phase and leakage currents, with the measured values displayed directly on the earth resistance tester C.A 6424. The connection communication is automatic as soon as the clamp is connected to the device’s measurement input. The measurement is carried out via the current clamp input on the C.A 6424, which is specifically designed for the G72. The clamp is equipped with a Velcro fastener, ensuring secure attachment to the measurement cable.

Technology Explained Simply

The current clamp G72 operates on the principle of magnetic induction. When current flows through a conductor, it generates a magnetic field, which is detected by the clamp and converted into a proportional electrical signal. This signal is transmitted to the C.A 6424, where it is converted into amperes and displayed. The measurement ranges are designed to cover a broad application range—from very low currents (0.5 mA) to high loads (60 A). The clamp is designed for use in energized electrical installations and requires no additional power supply.

Compatibility and Accessories

The current clamp G72 is exclusively intended for use with the earth resistance tester C.A 6424. Compatibility is ensured by the special interface and the automatic recognition of the device. The device recognizes the clamp upon connection and automatically switches to current measurement mode.

Installation and Mounting

The current clamp is mounted by simply clamping around the conductor to be measured. It is connected to the current measurement input of the C.A 6424, causing the device to automatically switch to measurement mode. The display of the C.A 6424 shows the measured current value. The clamp is designed for use in energized electrical installations and requires no additional power supply. The measurement is performed without interrupting the conductor, enabling quick and safe testing.

Operational Advantages

The current clamp G72 offers a fast and reliable method for measuring leakage currents. The automatic recognition by the C.A 6424 reduces error susceptibility and speeds up the measurement process. The three measurement ranges allow precise adaptation to the respective application. The combination of the clamp’s robust construction and the high accuracy of the C.A 6424 ensures reliable measurement results in practice. The clamp is designed for use in electrical installation and safety testing and supports compliance with standards IEC 61557-1 and IEC 61557-5.

Scope of Delivery

The scope of delivery includes the current clamp G72, a Velcro fastener, an operating manual in five languages, and a test certificate. The clamp is intended for use with the earth resistance tester C.A 6424 and is directly connected to its current measurement input. The measurement is performed without interrupting the conductor, enabling quick and safe testing. The clamp is designed for use in energized electrical installations and requires no additional power supply.

Standards and Safety

The current clamp G72 is designed for use with the earth resistance tester C.A 6424, which complies with standards IEC 61557-1 and IEC 61557-5. The measurement is performed in a range from 0.5 mA to 60 A, and the clamp is designed for use in energized electrical installations. The clamp is designed for use in electrical installation and safety testing and supports compliance with standards IEC 61557-1 and IEC 61557-5.