Amprobe WT-10 Manual De Uso página 12

4. LCD now shows "7.00 " &"CAL", CAL doesn't flash
until you remove the meter into correct calibration
buffer. "CAL" flash for about 30 seconds, then,
value will be saved automatically and "SA"
shows for 1 second. Same procedure for 10.00
calibration. (Fig.4)
5. 3 calibration points: 4.00, 7.00 and 10.00. After
completing the last calibration point 10.00, the
meter shows "End" for one second and return to
normal measurement mode.
6. To calibrate "7.00" before "4.00", press "CAL/
q"KEY to select the desired calibration point.
"CAL" should be kept at non-flash status while
selecting the calibration point.
7. The meter designs with an adjustable calibration
range to meet different solution standard. The
adjustable range for 4.00 pH is 3.50 to 4.50. Hold
"HOLD/UNIT" key cycle from 3.5 to 4.5 then
3.5 again. Release the key when desired point
is selected. The adjustable range for pH 7.00 is
6.50~7.50. For 10.00 pH range, it is 9.50~10.5.
8. Rinse the probe with de-ionized water or a rinse
solution (tap water...) after each measurement to
lengthen the meter's life. without saving.
5