ASTM International

Standard Guide for Measuring Some Electronic Characteristics of Ultrasonic Testing Instruments
 N E1324

Annotation

This guide describes procedures for electronically measuring the following performance-related characteristics of some sections of ultrasonic instruments:

Power Supply Section:

line regulation,

battery discharge time, and

battery charge time.

Pulser Section:

pulse shape,

pulse amplitude,

pulse rise time, pulse length, and

pulse frequency spectrum.

Receiver Section:

vertical linearity,

frequency response,

noise and sensitivity, and

dB controls.

Time Base Section:

horizontal linearity, and

clock (pulse repetition rate).

Gate/Alarm Section:

delay and width,

resolution,

alarm level,