5-14 Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL
Operation Additional functions in the DM4 and DM4 DL
Setting the alarm limits
A Attention:
When a Data Logger is active whilst changing the
alarm limits, the previously stored settings are over-
written.
You can set an upper and a lower alarm limit. If a mea-
surement value goes above or falls below the limit, a
red LED lights on the front panel of the instrument.
In addition to this, the + symbol appears before the
value of an over-limit condition and a - before a value
with an under-limit condition.
Operation:
– Press m until SPEC appears in the display.
– Press d or u until HI-L or LO-L is displayed.
– Press c.
The active setting is displayed (basic setting: OFF).
– Press d or u in order to switch on the correspond-
ing alarm limit.
– Press c again.
The active limit value set is displayed.
Basic setting:
HI-L: 500 mm
LO-L: 0.5 mm
– Set the required limit value with d or u.
There is an adjustment range available from 0.5 to
500 mm. In doing this, the lower limit must not be
the same or larger than the upper limit value.
– Press c.
The set alarm limit is stored.
– Press m in order to return to thickness measure-
ment.
5-14 Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL
Operation Additional functions in the DM4 and DM4 DL
Setting the alarm limits
A Attention:
When a Data Logger is active whilst changing the
alarm limits, the previously stored settings are over-
written.
You can set an upper and a lower alarm limit. If a mea-
surement value goes above or falls below the limit, a
red LED lights on the front panel of the instrument.
In addition to this, the + symbol appears before the
value of an over-limit condition and a - before a value
with an under-limit condition.
Operation:
– Press m until SPEC appears in the display.
– Press d or u until HI-L or LO-L is displayed.
– Press c.
The active setting is displayed (basic setting: OFF).
– Press d or u in order to switch on the correspond-
ing alarm limit.
– Press c again.
The active limit value set is displayed.
Basic setting:
HI-L: 500 mm
LO-L: 0.5 mm
– Set the required limit value with d or u.
There is an adjustment range available from 0.5 to
500 mm. In doing this, the lower limit must not be
the same or larger than the upper limit value.
– Press c.
The set alarm limit is stored.
– Press m in order to return to thickness measure-
ment.