Eigenschaften
AC / AC ramp	40 - 5 350 V
Resolution / accuracy	10 V / ±1 % L
Maximum current	200 mA
Measurement of I range / accuracy	100 mA / 200 mA ±2 % L
Test voltage	100 V / 250 V / 500 V / 1 000 V
Inductance range / resolution / accuracy	15 mH / ±10 % L
Impulse test	x 0,5; x 1; x 2; x 4; x 5; x 10 (DC) IΔ;n
Isolation current resolution / accuracy	0,1 mA; -0% +(7% L + 2 mA)
Voltage and frequency of installation	190,0 - 440,0 V; 45-55 Hz
Measurement range / accuracy	40 A / ±2,5 % L
Dimensions / weight	407 x 341 x 205 mm; 16 kg

This product is a replacement part for machine testers of the C.A 6160, C.A 6165, and C.A 6161 series by Chauvin Arnoux. It consists of a cable pair for continuity testing, made up of two double test leads, each with a length of 3 meters. The leads are available in red and black and are designed for 4-wire continuity testing, where resistance is measured between two points while avoiding contact resistance. This method is particularly important for low resistances, as it ensures high measurement accuracy by separating current and voltage supply lines.

Applications
The test leads are specifically designed for use with the machine testers CA 6160, CA 6165, and CA 6161. These devices are used in industrial electrical engineering to test the electrical safety of machines, enclosures, and electrical equipment. Application areas include final inspection during manufacturing, recurring tests in maintenance operations, and conformity testing as part of CE marking. The leads thus support testing of continuity resistances, which are critical for the safety of electrical installations.

Functions and Features in Detail
The double test leads enable precise 4-wire measurement, where current is supplied via two leads and voltage is measured at two separate points. This minimizes the influence of contact resistance at connection points. The 3-meter length provides sufficient flexibility for testing devices in various positions, such as in enclosures or on mounting platforms. The red and black color coding simplifies lead identification and reduces wiring errors.

Technology Explained Simply
The 4-wire measurement is a method in which the test current flows through two separate leads (current supply), while voltage is measured on two other leads (voltage measurement). This excludes the resistance of connection points and the leads themselves from the measurement, which is particularly beneficial for low resistances. The leads are designed for use with devices that cover measurement ranges up to 25 A and resistances up to 0.4 Ω. Using these leads is essential to ensure the accuracy of continuity testing, as required by standards such as IEC 61557-1 and IEC 61010-2-030.

Compatibility and Accessories
The test leads are specifically developed for the machine testers CA 6160, CA 6165, and CA 6161. They are part of the accessories that extend the functionality of these testing devices. These components enhance the testing environment and enable flexible and safe execution of measurements.

Installation and Mounting
The installation of the test leads is done by direct connection to the corresponding sockets on the testing device. The leads are designed for easy handling and can be directly connected to the test objects. No additional tools or adapters are required. The color coding simplifies correct lead assignment, thereby avoiding errors during testing.

Operational Advantages
The use of these double test leads ensures high measurement accuracy during continuity testing, especially for low resistances. The 3-meter length provides flexibility when testing devices in various positions. Compatibility with the machine testers CA 6160, CA 6165, and CA 6161 enables seamless integration into existing testing processes. The color coding reduces the likelihood of wiring errors and supports testing efficiency.

Protection and Safety
The test leads are designed for use in environments where electrical safety is critical. The devices with which they are used comply with standards such as IEC 61010-1, IEC 61010-2-030, and IEC 61010-2-034. The test leads themselves are not assigned a protection rating, as they are replacement parts for the testing devices, whose protection is ensured by the devices themselves. The testing devices themselves have an IP 64 rating when closed, making them suitable for use in industrial environments.

Practical Applications
In industrial electrical engineering, these leads are frequently used for testing enclosures, machines, and electrical equipment. The 4-wire measurement is particularly important when testing protective conductors, earthing systems, or other components with low resistances. The leads thus support compliance with safety standards and certification of electrical installations.