8
2
、
Click “Connection” on the menu bar, select the first line in the drop-down menu “Connection
setup”
（
The baud rate for the first time is the slave label
）
and click “OK”.
Note:
Port is set according to the Port number of the connection.
Note: If the sensor has been connected as described, and “Timeout Error” appears on the
software “Display status”, it means that the connection is failed; remove and replace the USB port
or check the USB to RS485 converter, repeat the above procedure until the sensor connection is
successful.
Chapter 5 Calibration of Sensor
The dissolved oxygen sensor has been calibrated at the factory and if you need to calibrate yourself,
follow the steps below
The specific steps of automatic air calibration are as follows:
Dry the sensor, add a small amount of water (25~50mL) to the calibration kit and shake the bag for a
few times.
Then put the sensor into the calibration kit without touching the water and seal the
calibration kit with your hand to make the sensor in a saturated air.
The sensor should be away from
light and high temperature and hard objects during calibration. The measured data is stable, Double-click
the “06”, and a dialog box pops out. Enter “27” for Address in the dialog box, “16” for Value,
then click
“Send”.
Tel
：
+1 513 204 5837
Web
：
http
s
://www.
aginova.
com
Sentinel (RS-485) DO •
Operation Manual