Customer Calibration; Example Of 1.60Ph And 6.50Ph Calibration Solution - Dostmann pH 7+ Manual Del Usuario

Customer calibration

example of 1.60pH and 6.50pH calibration solution

Select CUS in the setup menu P1.1. The meter enters into Customer-defined calibration mode. Press
meter's display show a blinking CAL1 icon at the top right of LCD, indicating the meter enters into the 1
defined calibration.
Rinse pH electrode in pure water, allow it to dry, and submerge it in pH1.60 buffer solution. Stir the solution briefly and
allow it to stay in the buffer solution until a stable reading is reached. For automatic temperature compensation (ATC),
the temperature value
Press and keys to adjust the main value to 1.60, then press
is done, LCD at the top right shows blinking CAL2 icon, indicating the meter enters into the 2
calibration.
Note: For manual temperature compensation (MTC), when LCD displays the stable measuring value and
press key, then the temperature value blinks, press
press key to confirm it. Then the main value blinks. Follow the above procedures to adjust the main value and
calibrate the meter.
Rinse pH electrode in pure water, allow it to dry, and submerge it in pH 6.50 buffer solution. Stir the solution briefly and
allow it to stay in the buffer solution until a stable reading is reached. For automatic temperature compensation (ATC),
the temperature value
Press and keys to adjust the main value to 6.50, then press
is done, the meter goes to the measurement mode.
Note: For manual temperature compensation (MTC), when LCD displays the stable measuring value and
press key, then the temperature value blinks, press
press key to confirm it. Then the main value blinks. Follow the above procedures to adjust the main value and
calibrate the meter.
The meter can perform 1-2 point customer-defined calibration. When the 1
press key, the meter exits from calibration mode. This is one-point customer-defined calibration.
As for the standard calibration the meter show on the LCD one or more icons indicating the suited range
User's pH buffer
6.5 – 7.5
< 6.5
> 7.5
does not blink. When
does not blink. When
Icons show on the display
11
press key, the
key to calibrate the meter. After calibration
and keys to adjust the temperature value, and
press key, the
key to calibrate the meter. After calibration
and key to adjust the temperature value, and
st point calibration is done,
key, the
point customer-
st
main value blinks.
nd point customer-defined
icon,
main value blinks.
icon,
EN