Standard Guide for Measuring Some Electronic Characteristics of Ultrasonic Examination Instruments
|Publication Date:||10 May 2000|
|ICS Code (Non-destructive testing):||19.100|
This guide describes procedures for electronically measuring the following performance-related characteristics of some sections of ultrasonic instruments:
Power Supply Section:
battery discharge time, and
battery charge time.
pulse rise time, pulse length, and
pulse frequency spectrum.
noise and sensitivity, and
Time Base Section:
horizontal linearity, and
clock (pulse repetition rate).
delay and width,
analog output, and
back echo gate.
This guide complements Practice E 317, and is not intended for
evaluating the performance
characteristics of ultrasonic examination instruments on the
NOTE 1 - No access to internal circuity is required.