Eigenschaften
Alternating current	600 A
Alternating voltage	1000 V
Direct current	1000 V
Frequency in V / in I	Ja / Ja
Resistance	60 kΩ
Automatic ranges (Autorange)
Automatic AC/DC detection

The F205 multi-function clamp meter from Chauvin Arnoux is a TRMS measuring instrument for alternating and direct current as well as mixed AC+DC applications. It is designed for use in the low-voltage range, particularly for maintenance and service work on electrical installations in service and industrial environments. The clamp enables precise measurements regardless of signal shape thanks to a fast 12-bit digital acquisition system. It is suitable for analysing and dimensioning power supplies as well as determining inrush currents in motors and systems.

Applications

The F205 is designed for applications in the small to medium power range. It is frequently used for the maintenance of electrical systems, where accurate determination of current, voltage, power, and phase sequence is required. The clamp meter is particularly suitable for diagnosing power supplies, checking active, reactive, and apparent power, as well as determining the power factor (PF). The phase sequence detection function using the 2-wire method supports work during the installation and maintenance of three-phase systems.

Functions and Equipment in Detail

The clamp offers a wide range of measuring functions: current measurement in alternating (600 A) and direct current (900 A), as well as combined AC+DC measurement (600 A, 900 A peak). Voltage measurement covers alternating and direct voltage up to 1000 V, with peak values for alternating voltage reaching 1400 V. Resistance measurement extends up to 60 kΩ, supplemented by an audible continuity test adjustable between 1 Ω and 599 Ω. A diode test allows checking of semiconductor connections. Additional functions include measurement of active power (W), reactive power (var), apparent power (VA), and power factor (PF), as well as determination of total harmonic distortion factor (THDf, THDr). The True InRush function enables determination of inrush currents. The clamp features automatic range selection (Autorange) and automatic AC/DC detection.

Technology Explained Simply

The TRMS method (True Root Mean Square) enables accurate measurement of RMS values, even for non-sinusoidal signals, which is important for modern electronic loads. Accuracy is 1 % of the measured value plus 3 points. The clamp measures frequencies in both voltage and current. The jaw opening has a diameter of 34 mm, which is sufficient for measuring conductors in typical installations. The safety category CAT IV 600 V ensures high protection during measurements near energy distribution points.

Compatibility and Accessories

Various accessories are available to extend functionality, including test leads with 4 mm connectors (straight and angled), crocodile clips, test probes in different versions (CAT IV 1000 V, CAT II 300 V), and a carrying case. The test leads are available in PVC and silicone versions, with the CAT IV 1000 V specification ensuring high safety. A multi-purpose magnetic holder Multifix supports handling of the clamp during work.

Mounting and Installation

The clamp is closed directly around the conductor to be measured, with the jaw opening diameter of 34 mm limiting the maximum conductor thickness. The test leads are connected to the corresponding sockets on the clamp. Operation is performed via buttons to select measuring functions, with automatic range selection simplifying setup. The display shows measured values digitally.

Advantages in Operation

The F205 offers high measurement accuracy and versatility in a compact device. Automatic functions such as Autorange and AC/DC detection reduce operating complexity. Integrated power measurements and the True InRush function extend the application range beyond basic current and voltage measurements. The safety category CAT IV 600 V allows use in critical environments. The delivery includes the clamp meter, test leads, a storage case, the user manual, and batteries.

Delivery Contents

The clamp is delivered with test leads, a storage case, the user manual, and batteries.