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Krautkramer USM 35X Issue 01, 04/2005 0-3

Contents

5 Operation ............................................ 5-1

5.1 Overview of the functions ......................... 5-2

Function groups first operating level ........... 5-3

Function groups second operating level ...... 5-3

Function groups third operating level .......... 5-4

5.2 Setting the gain ......................................... 5-5

Defining the dB incrementation for gain ...... 5-5

5.3 Adjusting the display range

(function group BASE) .............................. 5-6

RANGE (Display range) .............................. 5-6

MTLVEL (Sound velocity) ........................... 5-7

D-DELAY (Display starting point) ................ 5-7

P-DELAY (Probe delay) ............................... 5-8

5.4 Adjusting the pulser

(function group PULS) .............................. 5-9

DAMPING (Probe matching) ....................... 5-9

POWER (Intensity) ................................... 5-10

DUAL (Pulser-receiver separation) ............ 5-10

PRF-MOD (Pulse repetition frequency) ..... 5-11

5.5 Adjusting the receiver

(function group RECV) ............................ 5-11

FINE G (Fine adjustment of gain) ............. 5-12

dBSTEP .................................................... 5-12

REJECT .................................................... 5-12

FREQU (Frequency range) ........................ 5-13

RECTIFY (Rectification) ............................ 5-13

5.6 Setting the gates

(function groups aGAT and bGAT) ......... 5-14

Tasks of the gates ..................................... 5-14

aLOGIC/bLOGIC (Evaluation logic of

the gates) .................................................. 5-15

aSTART/bSTART (Starting points of

the gates) .................................................. 5-16

aWIDTH/bWIDTH (Width of the gates) ...... 5-16

aTHRSH/bTHRSH (Response and

measurement threshold of the gates) ........ 5-16