Calibration - Mettler Toledo M300 Guia De Inicio Rapido

7 O

Calibration

2
For Display setup, analog outputs and setpoints see the section "General Setup".
O A Calibration
2
A
21.7
pH
25.0
°C
Calibrate Sensor
Channel B Oxygen
H
21.7
%sat
25.0
°C
Point1 = 100.0 %sat
ì
DO = 0.033 %sat
H
21.7
%sat
25.0
°C
O2 S=0.019nA Z=0.000nA
ì
Save Calibration Yes
H
21.7
%sat
25.0
°C
Calibration Successful
(PATH: Cal)
For multi-channel devices: Using the
user change the channel to be calibrated.
Enter Calibration mode by pressing the u key.
A flashing "H" (alternating with "A" or "B" to show the channel being calibrated for
multi- channel devices) in the top left hand corner shows the ongoing calibration process.
A DO sensor calibration is always a one point calibration either in Air (Slope) or a
zero (Offset) calibration.
It is possible to select a Slope or Zero calibration. A one point slope calibration is done
in air and a one point offset calibration is done at 0 ppb DO. Press the [ENTER] key
after selecting Slope or Offset.
Enter the value for Point 1 including a decimal point. DO is the value being measured
by the transmitter and sensor in the units set by the user. Press [ENTER] when this
value is stable to perform the calibration.
After the calibration the slope calibration factor S and the offset calibration factor Z are
displayed.
Select Yes to save the calibration values and the successful Calibration is confirmed
on the display.
or q key on the "Channel A" field lets the
13