Lab 865
Settings
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tected by law.
7.1.3 Calibration interval
The calibration evaluation is displayed as a sensor symbol.
The sensor symbol flashes after the adjusted calibration interval has expired. It
is still possible to measure.
Setting the calibra-
tion interval
The calibration interval is set to 7 days in the factory.
You can change the interval (1 ... 999 days):
7.2
Settings for ORP measurements
The settings are made in the menu for calibration and measurement settings of
the pH/ORP measurement. To open the settings, display the required parame-
ter in the measured value display and press the
<F1>
/[menu] or
<ENTER>
key.
After completing the settings, switch to the measured value display with
<M>
.
Default settings are printed in
bold
.
The buffers are selected in the menu, pH /
<F1>
/[Menu] /
Calibra-
tion
/
Buffer
(see 7.1.1 C
To ensure the high measuring accuracy of the measuring system,
calibrate after the calibration interval has expired.
1.
Open the menu for measurement settings with [Menu]
<F1>
.
2.
In the
Calibration
/
Calibration interval
menu, set the calibration interval
with
<
><
>
.
3.
Confirm the setting with
<ENTER>
.
4.
Quit the menu with
<M>
.
Menu item
Possible
setting
Description
Man. temperature
-25 ...
+25
... +130 °C
Entry of the manually determined tem-
perature. For measurements without
temperature sensor only.
Temperature unit
°C
°F
Temperature unit,
degrees Celsius or degrees Fahrenheit.
All temperatures are displayed with the
selected unit.
