Eigenschaften
Dimensions / weight	272 x 250 x 128 mm / 3,2 kg

The continuity accessory kit for CA 647x from Chauvin Arnoux is a specific accessory for earthing and resistance measuring instruments of the CA 647x series. It is used for continuity testing and enables precise measurements on electrical installations, particularly when checking cables, switches, conductors, and other electrical connections. The kit is designed for use in industrial and domestic installations where reliable continuity testing is required.

Applications
This accessory kit is primarily used for continuity testing to check the electrical connection between two points. This is especially important during maintenance, servicing, and installation of electrical systems to ensure there are no interruptions in the circuit. The colour-coded connection terminals facilitate correct assignment of test leads and reduce the risk of errors during measurement.

Functions and Equipment in Detail
The kit includes four crocodile clips in red, black, blue, and green, two test probes (red, black), and four banana leads in matching colours. The crocodile clips provide a secure and stable connection at the test points, while the test probes are suitable for precise measurements at tight or sensitive locations. The banana leads serve as connecting elements between the clips/probes and the measuring device. The colour coding supports correct assignment of leads and prevents incorrect connections.

Technology Explained Simply
The measurement is performed via the integrated interface of the CA 647x measuring device, which selects the measurement type (e.g. continuity, earthing, resistance) using a rotary switch. The cables of the accessory kit are connected to the corresponding terminals on the device, ensuring that cable and terminal colours match. The measurement is then started via the device, which checks the electrical connection between the connected points. Results are displayed on the illuminated LCD screen.

Compatibility and Accessories
The accessory kit is specifically developed for the CA 647x series, particularly for models such as the C.A 6470N. It is compatible with measurement functions for continuity, earthing, resistance, and coupling resistance. Additional accessories such as earthing kits with earth stakes (e.g. 2 or 4 stakes in lengths from 50 m to 150 m) or optical USB cables for data transfer can also be used. The DataView software enables evaluation and documentation of measurement results on a computer.

Installation and Mounting
Installation of the accessory kit involves connecting the banana leads to the corresponding terminals on the CA 647x measuring device. The crocodile clips and test probes are attached to the points to be tested in the electrical installation. The connection must be secure and firm to avoid incorrect measurement results. The measurement is started via the device, with the display showing the results directly.

Advantages in Operation
Using this accessory kit enables quick and reliable continuity testing without additional tools. The colour coding of cables and terminals reduces the risk of errors. Combined with the CA 647x measuring device, it offers high measurement accuracy and complies with standards IEC 61557-1, -4, and -5. The device’s integrated memory function (up to 512 test results) allows documentation and later evaluation of measurements. Power supply is via a rechargeable battery, which can be charged using an external power supply (18 Vdc / 1.5 A) or a vehicle power supply (12 Vdc). The optical isolation of the USB interface protects the device and computer from electrical interference.

Batteries are not included in the delivery scope.