Fig. K
7
6. There are 3 calibration points 4.00, 7.00
and 10.00, after completing the last
cablibration point 10.00, the meter
return to the normal mode after saving
automatically (See Fig.K) .LCD shows
"
End
" for a second (See Fig. IA) .
ATC
CAL
C
C
ATC
CAL
C
C
ATC
C
C
Fig. I
Fig. IA
Fig. J
.
7. If want to calibrate "7.00" first before
"4.00", pressing to select the
desired calibration point. "
CAL
" is not
flashing while changing the value.
8.
The adjustable cal .
point range for 4.00 pH is from 3.50 to
4.50. Hold the cycle from 3.5 to
4.5 then 3.5 again. Release the key
when desired point is selected. The
adjustable cal. range for pH 7.00 is
6.50~7.50. For 10.00 pH range, there
are 9.50~10.5.
9. Rinse the probe with de-ionized water
or a rinse solution (tap water...) after
each measurement to lengthen the
meter's life.
The meter designs with an adjustable
calibration point to meet different
solution standard.
CAL
HOLD
UNIT