Eigenschaften
Dimensions / weight	160 x 105 x 56 mm / 500 g

The Chauvin Arnoux CA 5003 is an analogue multimeter designed for use in electrical installations up to safety category CAT III 600 V in accordance with IEC 61010-1 Edition 2. It features a compact, shock-protected housing with a foldable stand bracket, enabling safe handling and stable positioning during measurement. The device is designed for electricians requiring a reliable and cost-efficient measurement solution for basic electrical parameters.

Applications
This multimeter is suitable for measuring direct and alternating voltage, direct and alternating current, and resistance in electrical installations complying with the IEC 61010-1 Edition 2 standard. Operating conditions include temperatures from −10 °C to +55 °C and relative humidity below 90 %. It is intended for indoor use, with protection rating IP53 ensuring dust and splash water protection, although not suitable for permanent wet conditions or submersion.

Functions and Equipment in Detail
The device offers 8 measurement ranges for direct voltage from 100 mV to 1000 V and 5 ranges for alternating voltage from 10 V to 1000 V. For direct current, 7 ranges are available from 50 µA to 15 A, and for alternating current, 5 ranges from 1.5 mA to 15 A. Resistance measurement is available in two ranges: 10 kΩ and 1 MΩ. An integrated acoustic continuity test provides an alert when resistance is below 50 Ω. The dB scale for alternating voltage ranges from 0 to +22 dB. An automatic zero adjustment in the ohmmeter function ensures precise readings. The illuminated Voltest" indicator signals the presence of stray voltages during resistance measurement or continuity testing. An additional illuminated "Fus indicator shows the status of fuses for current measurement ranges.

Technology Explained Simply
The multimeter operates with an internal resistance of 20 kΩ/V, typical for analogue measuring instruments, minimizing the load effect on the circuit being measured. The operating frequency ranges from 10 Hz to 100 kHz, depending on the measurement range, enabling use with alternating voltages of low to medium frequency. Typical accuracy is 1.5 % for direct voltage, 2.5 % for alternating voltage and alternating current, and 10 % for resistance measurements. Power supply is via a 9 V battery (type 6LR61), providing autonomy for 10,000 measurements at 10 seconds each. The device is equipped with HPC fuses rated at 1.6 A and 16 A, offering electronic protection.

Compatibility and Accessories
Various accessories are available for the multimeter to support use in different application scenarios. These include test leads with 4 mm connectors (straight and angled), test probes in various configurations (CAT III and CAT IV, 1000 V), crocodile clips (alligator clips), and piercing needles. Additionally, high-performance fuses (16 A) and transport cases or bags are available, enhancing protection and portability. The test leads are rated for 15 A and 1000 V and are made of silicone or PVC, with CAT IV and CAT III test probes suitable for higher safety requirements.

Mounting and Installation
The multimeter is directly clamped or connected into the circuit under test. The test leads are connected to the corresponding terminals on the device, with colour coding (red/black) indicating polarity. The measurement range is selected via a rotary switch on the device. Readings are displayed on an analogue meter with a scale. Operation requires no special mounting and is performed directly at the measurement point.

Advantages in Operation
The CA 5003 offers robust and reliable measurement functionality at a low price. Integrated safety features such as the Voltest indicator and fuse status indicator enhance workplace safety. Long autonomy and simple operation make it a practical tool for daily use in electrical trades. The combination of analogue displays with digital assistance functions such as the dB scale and continuity test expands functionality without sacrificing the advantages of analogue measurement. The compact design and weight of 500 g allow comfortable handling even during extended measurement tasks.

Note: Batteries are not included in the delivery scope.