DMTA-10055-01EN, Rev. A, February 2015
Adjusting the Pulser/Receiver
105
5. Adjusting the Pulser/Receiver
This chapter describes how to adjust the EPOCH 650 ultrasonic flaw detector
pulser/receiver.
5.1
Adjusting the System Sensitivity (Gain)
To adjust the system sensitivity
1.
Press dB.
2.
Adjust the system sensitivity (gain) in either coarse or fine increments.
The total system sensitivity is 110 dB.
5.2
Using the AUTO XX% Feature
The AUTO XX% feature was formerly known as the AUTO-80 % in the EPOCH 4
Series. The default setting for AUTO XX% in the EPOCH 650 ultrasonic flaw detector
is 80 % full-screen height (FSH). You can adjust the FSH target value to meet the
demands of the application.
The AUTO XX% feature is used to quickly adjust the instrument gain (dB) setting to
bring the gated peak echo to XX% FSH. AUTO XX% is especially useful for bringing
the echo from a reference indication to XX% FSH to establish the instrument’s
reference gain level (see “Setting Reference Gain and Scanning Gain” on page 106 for
further information).
Содержание EPOCH 650
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