Chauvin Arnoux AC Current Clamp Model C177A P01120336

The high-performance CA 6117 offers excellent measurement stability, even in disturbed industrial environments. All the measurements needed to test an electrical installation are available: continuity, resistance, insulation, earth and selective earth, loop impedances, type A and AC RCDs. The CA 6117 can also be used to measure voltage, frequency, current via a clamp, active power, harmonics and phase rotation.

The CA 6117 is also fitted with type-B RCD testing, built-in fuse table and voltage-drop feature.
Designed and manufactured in France, the CA 6117 was developed in compliance with eco-design procedures.

In the modern workplace electricians must deal with an array of complex array of work and equipment, by having high spec equipment , such as the CA6117 multi-function tester,  they can be prepared for every eventuality encountered. Many MFTs prove sufficient for basic safety testing, but when it comes to fault finding, commissioning and diagnostics,  advanced MFTs like the CA6117 come into their own by providing everything the modern electrician needs in one product.

 The CA6117 can display voltage, and, by using the optional current clamp, current waveforms while also displaying both peak (max) and RMS values. This proves useful in identifying any waveform distortion, possibly from harmonics or other sources. Power can also be displayed with direction indication for imported or exported power, ideal where microgeneration such as PV systems are present. Power Factor can be measured and seen on the graphical display. These features are essential for those working in modern electrical systems with capacitive, inductive and non-linear loads present. The ability to see these values in real-time assists in quickly diagnosing issues within the installation or supply. They are also essential when configuring or testing equipment such as power factor correction capacitor banks.

Using the voltage input and optional current clamp, the CA6117 has the ability to accurately measure and display Voltage and Current Harmonics up to the 50^th harmonic order, performance typically only seen on dedicated power quality analysers or loggers. All modern electrical installations contain non-linear loads which generate harmonics.
These harmonics can cause many issues within installations, such as the overheating and premature failure of equipment. The only way to identify the underlying cause of these issues is by using a meter such as the CA6117 or an expensive power quality analyser or logger. The CA6117 has the ability to display Total Harmonic Distortion (THD), a simple measure of the amount of harmonics present. It can also show each of the 50 individual harmonics in graphical or numerical form. This powerful feature allows the electrician to identify specific harmonic issues and also check the effectiveness of harmonic mitigation measures, such as active harmonic filters.

A stand-out feature of the CA 6117 is its ultra-accurate Earth Fault Loop Impedance (Zs) measurement capability. Unlike most MFTs on the market, the CA 6117 is able to measure Zs to three decimal places and test lead resistance can also be nulled in Zs mode. In heavy-duty installations or where working on installations close to the supply transformer, Zs values can be very low. To measure such low values, which are beyond the meaningful range of most MFTs, electricians may have to buy an expensive specialist stand-alone loop tester, but not with the CA 6117 which can measure these values using its normal high current Zs range.