Dansensor A/S COPYRIGHT © PBI-200114-D 04/2013
ISM-3 EN User Manual 11
4. Operation
ISM-3 is equipped with four keys and a large LED display for indication of the O
2
concentration.
Fig. 3. ISM-3 operation panel
Start up
ISM-3 starts up with a self-test lasting about 10 seconds. After the self-test the heating which takes 10
minutes begins. If ISM-3 only has been switched off shortly the heating time is reduced. Minimum
heating time is 2 minutes.
The rest of the heating time in minutes is indicated in the display as
H 10 (H for heating). When the time is
counted down to zero the ISM-3 is ready. After 10 minutes ISM-3 has a read-out difference of max 3 % of
the read value. I takes the total heating time of 20 minutes until the ead-out difference is below the
specified 1 % for the shown value.
If the measuring had been activated when the ISM-3 was switched off, the measuring is automatically
started when ISM-3 is turned on. If an external measuring control has been chosen, the measuring will
start when the measuring control signal is set to ON.
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