Sper Scientific 850046K AquaShock DO Kit - Manual (Page 19)

19
100% Calibration
Note...
Only when the measurement value is above 50% can the meter be
calibrated at 100%. All other keys except POWER ON/OFF and
HOLD are inoperable while performing calibration.
1. Clean the probe thoroughly with deionized water.
2. Press RANGE to select the % saturation scale (see Fig. A).
3. Wrap the probe with a wet cloth being sure not to touch
the probe’s oxygen permeation membrane.
4. Press CAL for 2 seconds to enter the calibration mode
(see Fig. B).
5. When calibration is complete the display will read
“Finished” (see Fig. C).
6. Press EXIT to return to Normal Mode (see Fig. D).
Fig. A
Fig. D
Fig. B
Fig. C