IEC 60151-1:1963 pdf download,Measurements of the electrical properties of electronic tubes and valves – Part 1: Measurement of electrode current.
IEC 60151-1:1963 establishes a standardized method for measuring the current flowing through the electrodes of electronic tubes and valves. It is concerned with electrode current as an electrical characteristic, including currents associated with the cathode, anode, control grid, screen grid, suppressor grid, and other electrodes where applicable.
The standard defines the measurement principles, circuit arrangements, electrode connections, supply conditions, and operating states required to obtain reliable and comparable results. It explains how the tube or valve should be connected, energized, stabilized, and measured, while controlling factors such as electrode potentials, heater or filament supply, polarity, temperature, measurement frequency or direct-current conditions, and instrument loading.
Attention is given to avoiding errors caused by leakage currents, external circuit resistance, wiring, meter influence, instability, and unwanted changes in operating point. The measured values are intended to represent the actual current of each electrode under specified conditions rather than an uncontrolled transient or abnormal operating state.
The document also provides a technical basis for reporting results, including the tube type, electrode configuration, applied voltages, test conditions, measuring instruments, and accuracy or uncertainty where relevant. It is intended for type testing, production inspection, research, specification writing, and comparison of electronic tubes and valves. Overall, IEC 60151-1:1963 promotes consistent characterization of electrode currents, supporting tube circuit design, performance evaluation, quality control, fault diagnosis, and interchangeability.