Chauvin Arnoux BR04 Decade Resistance Box is a precision power tool used in circuit testing and calibration. It includes ten individually adjustable resistance dials, each with a value range from 0 to 10,000 ohms, for a maximum total resistance of 100,000 ohms.
The device can be used to generate custom resistance values in 1-ohm increments, providing precise control over circuit parameters. The BR04 features a durable metal construction and compact design, making the portable and easy to use in a variety of environments.