The Tinker & Rasor Model PRM Peak Reading Voltmeteris designed to measure the peak value of high voltage DC pulses within its scale range, with a maximum capacity of 40 kilovolts Measurement can be made of peak values with rise time of less than one microsecond. The Model PRM Volmore...
A device for indicating speed of rotation RPM Meter is an instrument measuring the rotation speed of a shaft or disk, as in a motor or other machine. more...