6. AUTO POWER OFF DISABLE
The instrument has built-in "Auto Power off "
in order to prolong battery life. The meter will switch
off automatically if none of the buttons are pressed
within 10 min.
To de-activate this feature, select the memory record
function during measurement by pressing the
" RECORD " button ( 4-5, Fig. 1 ).
7. PROBE MAINTENANCE
User first time to use the meter :
Intend to let the DO probe keep the best
condition. When user receive the DIGITAL
OXYGEN METER along the PROBE, it should
fill the Probe's Electrolyte at first.
User already use the meter for a certain
period :
Whenever user can not calibrate the meter
properly or the meter's reading value is not stable,
please check the oxygen probe to see if the
electrolyte in the probe head container is run out
or the diaphragm ( probe head with diaphragm
set) exist problem ( dirty ). If yes, please fill the
electrolyte or change the " Probe head with
diaphragm set " and make the new calibration.
11
