Hanna Instruments PCA 300 Series - Manual (Page 49)

49
3. Wait for the PCA to display the reading.
4. Press DIAG. The display will show the last diagnostic mode
and the right-most numerical digit will blink.
5. Enter code 900 using the and keys and press DIAG.
6. Enter the calibration value using the and keys.
7. Press DIAG to confirm the value. The dis-
play will show “Stor” for a short time indi-
cating that the new calibration value is stored.
The unit will return to normal operation dis-
playing the calibrated value. Value displayed
can differ on the right most numerical digit.
Note: it is not recommended to calibrate the meter at values below
2 mg/L in order to maintain enough accuracy in the whole
range. Calibration below 2 mg/L does not guarantee de-
clared accuracy outside an interval of ±50% from the cali-
bration value.
DIAG
DIAG
DIAG