Ph Calibration Incl. Isfet - Mettler Toledo M400 Kurzanleitung

Setpoints
7.0
pH
25.0
°C
a Set Point Yes
SP1 Type= Off
7.0
pH
25.0
°C
SP1 BetweenH= 0.000
SP1 BetweenL= 0.000
7.0
pH
25.0
°C
SP1 use Relay #1
6

pH Calibration incl. ISFET

For Display setup, analog outputs and setpoints see the section "General Setup".
pH (resp. ISFET) Two point Calibration
Remark: When using ISFET sensors, you have to adjust the zero point first.
A
7.0
MΩ-cm
A
25.0
°C
Calibrate Sensor
Channel A pH
H
7.0
pH
25.0
°C
pH Calibration
Type = 2 point
10
After configuring the Analog Output a setpoint can be configured for that output. If No
is selected and [ENTER] is pressed then the quick setup is done and the menus are
exited without setting up any setpoint.
Selecting Yes and pressing [ENTER] means a setpoint can be configured for channel a.
Following setpoint Types can be selected:
– High (High value has to be set)
– Low (Low value has to be set)
– Between (High and Low value has to be set)
– Outside (High and Low value has to be set)
After setting the setpoint value(s) a Relay (none, 1, 2, 3, 4) can be configured for
that setpoint. The Relay delay is set to 10 seconds and the Hysteresis is set to 5%. If a
relay is configured as CLEAN relay, it will not be selectable in this menu.
For multi-channel devices: Also setpoints 5 and 6 can be configured and the user can
configure a setpoint to measurement c by going back thourgh previous menus and se-
lecting c.
(PATH: Cal)
While in Measurement mode press the
calibration security code, press the
then press the [ENTER] key to confirm the calibration security code.
Press the or key to select the pH (resp. ISFET) calibration sub function.
A flashing "H" shows the ongoing calibration process.
Select 2 point Calibration by pressing the [ENTER] key.
key. If the display prompts you to enter the
or key to set the calibration security code,