Eigenschaften
Range	100 mV* / 1.000 mV / 10 V / 100 V / 1.000 V
DC accuracy	0,02 %
AC AC+DC basic accuracy	0,3 %
VLowZ AC	500 kΩ
AC AC+DC accuracy	0,3 %
Basic accuracy	0,07 %
Resolution*	1 pF / 10 pF / 0,1 nF / 1 nF / 0,01 µF / 0,1 µF / 1 µF / 10 µF
Accuracies	0,1 %
Measurement memory	30.000

The USB charger Type R from Chauvin Arnoux is a replacement or additional charger for portable measuring instruments of the brand, particularly for the colour graphic multimeters C.A 5292 and C.A 5293, the earth resistance meter C.A 6424, and the installation tester C.A 6133. It provides safe and reliable power supply and recharging of the internal Ni-MH batteries of these devices, which are in standard AA format. The charger enables continuous use of the measuring instruments in the field, as these devices remain operational during the charging process. Power supply is via USB 5 V, allowing the devices to be charged from external USB sources such as laptops, power banks, or vehicle USB sockets.

Applications
This charger is designed for professional users in the electrical and installation trades who frequently use their measuring instruments in outdoor operations or mobile testing. It is particularly suitable for use in electrical installations, maintenance work on electrical systems, or testing of earthing systems. Compatibility with multiple devices from the Chauvin Arnoux portfolio enables standardised equipment and reduces the need for multiple charging units.

Functions and Equipment in Detail
The Type R charger is supplied with a charging cable that connects directly to the measuring instrument. The connection is made via the optical USB port integrated in the compatible devices. The charging unit is compact and easy to transport, making it ideal for field use. Power supply is via USB 5 V, enabling flexible use, for example, from a power adapter, laptop, or vehicle USB socket.

Technology Explained Simply
The charging technology is based on the standard USB interface, ensuring safe and controlled energy delivery. The integrated charging electronics in the device ensure that the batteries are not overcharged and that charging cycles are optimised. The devices for which this charger is intended are equipped with rechargeable Ni-MH batteries in AA format, offering high capacity and long service life. Charging occurs without interrupting operation, so the devices can continue to be used during charging.

Compatibility and Accessories
The charger is specifically designed for the devices C.A 5292, C.A 5293, C.A 6424, and C.A 6133. These devices are equipped with an optical USB port, which connects to the included cable. Additionally, the devices can also be charged via a power adapter or a 12 V vehicle socket, increasing operational flexibility. As accessories, Ni-MH batteries and fast-charging kits are also available, supporting the operational readiness of the measuring instruments.

Mounting and Installation
Installation of the charger is done by simply connecting the included cable to the USB port of the measuring instrument. No additional tools or mounting work are required. The device can be directly connected to a USB power source, enabling quick and uncomplicated charging processes.

Advantages in Operation
Using the USB charger Type R reduces downtime, as the devices remain operational during charging. Compatibility with multiple devices from the Chauvin Arnoux portfolio enables standardised equipment. The flexible power supply via USB 5 V expands usage possibilities, especially in mobile applications. The integrated charging electronics ensure safe and efficient charging of the Ni-MH batteries.