Operation with OxiTop
®
-IDS measuring heads Multi 3630/3620 IDS
30 ba77045d02 03/2020
5.5 Calibration
5.5.1 Why calibrate?
OxiTop
®
-IDS measuring heads age. Therefore, the tightness of the OxiTop
®
-
IDS measuring heads and the accuracy of the pressure measurement can
change, for example. The condition of the measuring heads can be evaluated
by checking their tightness and measuring accuracy (see BOD application
report).
5.5.2 When do you have to calibrate?
Routinely within the framework of the company quality assurance
5.5.3 Calibration procedure
Creation of a defined negative pressure and balancing with the display (see
BOD application report).
In contrast to physical or chemical measuring methods, BOD systems do not
provide standardized values, as the use of microorganisms has a great spec-
1
Connect the output device to a USB interface.
USB-A: USB printer, USB memory device
USB-B: PC
2
Using <M>, open the OxiTop set management.
3
Using <><>, highlight a Set.
4
Open the details of the selected set with <MENU/ENTER>.
The measuring heads automatically call up the current data of the set.
The reading out takes approx 5 seconds per OxiTop
®
-IDS measuring
head, with many measurement data it may take longer.
5
Using <><>, select a sample.
6
Using <PRT_> or <PRT>, output the data to the USB interfaces.
Key Explanation
<PRT_> Output of the data as a *.csv file to the USB-A interface, to a
connected USB memory device.
<PRT> Output of the data in ASCII or CSV format (setting in the system
menu) to the interface USB-A or USB-B.
The meter recognizes whether a printer or PC is connected.
The data transferred to the USB memory device are in the directory
"OxiTop".
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