ANNEX DP
OVERPRESSURE LEAK DETECTOR DL..
Evaluating the display for the function "Tightness test"
Chapter 3.6.3 described "Checking the tightness of the monitored system". This function can be
used to obtain an indication of the tightness of the monitored system.
This is only possible if the switching value "Alarm OFF" has been exceeded. It can be repeated
several times in succession.
This check is advisable
before
carrying out a recurrent function test on a leak detector, to see
directly whether there is any need to look for leaks.
After pressing the button, this is confirmed by a brief audible signal which can be heard once,
followed by a flashing signal, i.e. the Alarm LED flashes briefly to indicate the tightness as fol-
lows:
Number or flashes
Evaluation of the tightness
0 Very
tight
1 bis 3
Tight
4 bis 6
Sufficient tight
7 bis 8
Maintenace recommended
9 bis 10
Maintenace highly recommended
The smaller the above value, the more tight is the system. The meaningfulness of this value
naturally also depends on temperature fluctuations and should therefore be considered to be an
indicative value.
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Summary of Contents for DL 100
Page 20: ...Ex Ex Ex 17 102 72 73 43 13 27 11 2002 M1 060 000 76 30 21 20 70 20 von 49 ...
Page 21: ...Ex Ex Ex 73 73 73 230 V 50 Hz 21 02 43 20 13 72 27 11 2002 M2 060 000 71 69 01 09 21 von 49 ...
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