EN-14 STARTER 300D Portable DO Meter
When storing the sensor for a longer period, make sure it is placed in the wetting cap supplied in
the standard delivery. Also, deposits on the membrane should be removed with a tissue, because
they hamper the diffusion of oxygen through the membrane.
Note
: The filling solution in the electrode cap is 10% NaCl (Sodium Chloride). Cleaning and filling
solutions should be handled with the same care as that given to toxic or corrosive substances.
5.4
Self-diagnosis
§
Press and hold
&
simultaneously until the meter display the full screen.
Each icon blinks one after the other. This way you may check whether all icons are correctly
shown. The next step is to check that the keys are functioning correctly. This requires user
interaction.
When
b
blinks, five icons are displayed.
§
Press the five keys one by one in any order. Each time you press a key an icon disappears
from the screen.
§
Continue to press the other keys until all the icons have disappeared.
§
When the self-diagnosis has been completed successfully,
PAS
appears. If self-diagnosis
fails, error message
Err 1
appears.
Note:
You have to finish pressing all five keys within two minutes, otherwise
Err 1
appears and
you will have to repeat the procedure.
5.5
Recover factory settings
§
When the meter is off, press and hold
&
&
together for 3 seconds, the
screen displays
“
RST
”
and blinks, press
to reset factory settings (MTC, slope and
offset, etc.).
§
Press
to switch off the meter.
