Function check

 

Operation

 

 

 

 

 

 

Check

Result

Remark

 

 

 

1. Power supply

 

 

 

 

 

Turn on instrument

Both LEDs light. The Krautkramer logo

 

 

appears after 2 seconds. A-scan appears after

 

 

4 seconds.

 

 

 

 

 

Display and LEDs remain blank.

Power unit has no supply.

 

 

Batteries are discharged – charge

 

 

immediately.

 

 

 

2. Display

 

 

 

 

 

Connect calibration standard N30:

Initial pulse and 5 other echoes are displayed.

 

RANGE: 250 mm

All echoes must be displayed approximately

 

MTL VEL: 5918 m/s

vertically

 

DELAY: 0.0 s

 

 

PULSER: SINGLE

 

 

REJECT: 0%

 

 

GAIN: 30 dB

 

 

RECTIF.: FULL

 

 

MEASURE:0 TO 1st

 

 

 

 

 

Press L

The A-scan takes up the whole display.

 

 

 

 

INTENSITY: HIGH

Display becomes brighter.

 

 

 

 

3. Horizontal linearity

 

 

 

 

 

See 2. for settings.

With a linear sweep the peak shows the:

 

 

1st Echo at Div. 2

 

 

2nd Echo at Div. 4

 

 

3rd Echo at Div. 6

 

 

4th Echo at Div. 8

 

 

5th Echo at Div. 10

 

 

 

 

Krautkramer USN 52R/USN 52L

Issue 05, 02/00

5-65

Page 110
Image 110
Epson USN 52L, USN 52R manual Power supply