Xylem HandyLab 680 - Manual (Page 65)

HandyLab 680 Operation
65 ba77041e01 03/2014
4.9 Dissolved oxygen
4.9.1 General information
You can measure the following parameters:
 D.O. concentration
 D.O. saturation index ("D.O. saturation")
 D.O. partial pressure
Note
The sensor connection and the USB-B (device) interface are galvani-
cally isolated. This facilitates interference-free measurements also in
the following cases:
 Measurement in grounded test samples
 Measurement in one test sample with several sensors connected to
one HandyLab 680
Temperature
measurement
IDS D.O. sensors measure the temperature with a temperature sensor
integrated in the IDS sensor.
Preparatory activities Perform the following preparatory activities when you want to measure:
Note
The
FDO ®
1100 IDS needs to be calibrated in special cases only. Reg-
ular FDO
®
Checks are sufficient.
1 Connect the D.O. sensor to the meter.
The D.O. measuring window is displayed.
2 Check or calibrate the meter with the sensor.