Re-edition of the original instructions for the RLC Metrix IX 317 A measurement bridge. All the information on this impedance bridge system which allows the measurement of resistors, inductors and capacitors and their essential parameters such as leakage angle, quality coefficient - overvoltage, losses, variations of characteristics in the presence of a direct voltage, etc...: - Operating principle, details of measurements. - Comparative measurements. - Design and explanations of circuits - Electrical diagram of circuits, views of the device.