Krautkramer DM4E

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5-18 Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL

Operation Additional functions in the DM4 and DM4 DL

to DUAL MULTI mode (please see below) and then

proceed as described in 1-point calibration, page 5-6.

If you want to use alarm limits, please read the de-

scription of the mode proceeding in chapter 5.4, page

5-13.

– Activate the operating mode DUAL MULTI by

pressing the wkey.

– The display then shows the annunciators THK and

SPEC.

H Note:

If you have connected a probe which is not suitable for

the operating mode DUAL MULTI N0 is displayed.

The display SPEC does not appear in this case.

Place the probe gently but firmly on the material sur-

face. Apply uniform pressure to obtain a stable read-

ing.

The coupling symbol p is lit as soon as 2 backwall

echoes are measured. The wall thickness reading is

displayed, e.g.:

If there aren’t two backwall echoes and if no measure-

ment can be carried out,

• the coupling symbol p is not lit,

• the red LED is lit,

• the following display appears:

In this case, try to polish the surface and carry out

another measurement in the DUAL MULTI mode at

first. It might also be advantageous to change the filter

setting in some cases.