General
Enclosure diameter	70 mm

The MiniFlex MA200 from Chauvin Arnoux is a flexible current transformer specifically developed for measuring small and medium alternating currents with high bandwidth. It is suitable for precise visualisation and analysis of dynamic and rapidly fluctuating currents in electronics and electrical engineering. The isolated current probe is designed for use with oscilloscopes and enables the display of complex current waveforms, including transients in power supplies or welding stations.

Applications
This current transformer is used in applications requiring high frequency resolution and the capture of rapid current changes. These include the analysis of power supplies, investigation of switching processes in electronic devices, and measurements in industrial environments with pulsating or unstable loads. The high bandwidth of 5 Hz to 1 MHz makes it particularly suitable for high-frequency measurements and capturing short current peaks.

Functions and Equipment in Detail
The MiniFlex MA200 offers two selectable measurement ranges: 0.5 A to 45 A peak and 0.5 A to 450 A peak. The turns ratio is 100 mV/A or 10 mV/A, depending on the selected range. Typical accuracy is ≤ 1% + 0.3 A, enabling reliable measurement even at low currents. The output signal is an alternating voltage delivered via a BNC coaxial connector. This connection is standard for oscilloscopes and ensures interference-free signal transmission.

Technology Explained Simply
The current transformer operates on the principle of an inductive current transformer. It encircles the conductor to be measured and generates a proportional output signal corresponding to the current strength. The flexibility of the sensor allows measurement on conductors of various shapes and sizes without interrupting the circuit. The enclosure diameter is 70 mm, corresponding to a circumference of 25 cm. This value is sufficient for most standard conductors in industrial and electronic applications. The bandwidth of 5 Hz to 1 MHz enables capture of very rapid current changes, which is crucial for diagnosing faults in electronic systems.

Compatibility and Accessories
The MiniFlex MA200 is designed for use with oscilloscopes. Compatible accessories include a power adapter, a set of two adapters (BNC female/4 mm male), and a yellow opening clamp (5 pieces). These components facilitate connection to various measuring instruments and allow flexible installation. The safety categories 600 V CAT IV / 1000 V CAT III ensure safe use in electrical installations with corresponding voltage classes.

Mounting and Installation
Installation is performed by clamping the sensor around the conductor to be measured. The BNC connection is directly attached to the oscilloscope. The user manual, included in the delivery, describes correct handling and selection of the appropriate measurement range. The current probe is designed for use in electrical installations complying with the specified safety categories.

Advantages in Operation
The MiniFlex MA200 offers high measurement accuracy combined with wide bandwidth, making it particularly suitable for demanding applications in electrical engineering and electronics. Its flexible design enables easy and quick installation without interrupting the circuit. The isolated design protects the user and measuring device from hazardous voltages. The combination of high frequency resolution and precise measurement makes it a reliable tool for analysing dynamic current waveforms.

The delivery includes the current transformer model MA200, the user manual, and accessories for connection to oscilloscopes.