Ph Meter Calibration - Dostmann pH 7+ Manual Del Usuario

EN

pH Meter Calibration

Press key to enter into the calibration mode, "CAL 1" blinks at the top right of LCD and "7.00 pH "blinks at the
bottom right of LCD, indicating using pH 7.00 buffer solution to make the 1
Rinse pH electrode in pure water, allow it to dry, and submerge it in pH 7.00 buffer solution. Stir the solution gently and
leave it in the buffer solution until a stable reading is reached. The meter's display will show scanning and locking process
of calibration
Er 2 displays if press
When the meter locks 7.00 pH, stable
"End" icon appears after calibration is done. After the 1
a blinking CAL2, and show at the bottom right blinking 4.00pH and 10.01pH alternately, indicating using pH4.00 or
pH10.01 buffer solution to make the 2
Take out pH electrode，rinse it in pure water, allow it to dry, and submerge it in pH4.00 buffer solution.
Stir the solution briefly and allow it to stay in the buffer solution until a stable reading is reached. The meter's
display will show scanning and locking process of calibration buffer solution at the bottom right of LCD. When the meter
locks 4.00 pH, stability
Display
The meter's display will show at the top right a blinking CAL3, and show at the bottom right blinking 10.01pH, indicating
using pH10.01 buffer solution to make the 3
Take out pH electrode，rinse it in pure water, allow it to dry, and submerge it in pH10.01 buffer solution. Stir the solution
briefly and allow it to stay in the buffer solution until a stable reading is reached. The meter's will show scanning and
locking process of calibration buffer solution at the bottom right of LCD. When the meter locks 10.01 pH, stable
icon appears
Display shows "End" icon and slope. Than the meter goes automatically to the measurement mode, displays stable
measuring value and calibration guide icons.
During the calibration process, press
point, two-point and three-point calibration. Calibration guide icons appear on LCD.
buffer solution
key before the value is stable.
icon displays on LCD. Press
nd point calibration.
icon displays on LCD. Press
shows
rd point calibration.
on LCD. Pr
key to exit from the calibration mode. The meter can perform one-
point calibration.
st
at the bottom
st point calibration, the meter's display will show at the top right
"End"
key to
10
right of
key to calibrate the meter.
key to calibrate the meter.
and slope.
calibrate the meter.
LCD.