Optical Dissolved Oxygen Meter Fluorescent Dissolved Oxygen Gauge Range 0~20mg/L
TECHNICAL PARAMETERS
|
D O Range |
0~20mg/L or 0~200% |
|
D.O. Accuracy |
1% |
|
Dissolved Oxygen Sensor Drift |
< 1%per year |
|
Sensor Material |
POM and Stainless Steel |
|
Temp. Range |
0~40C |
|
Temp. Accuracy |
±0.2C |
|
Measuring Distance |
3m~5m |
|
Sensor Cleaning Cycle |
According to water condition and measuring frequency |
|
Working Temperature |
-20C~50C |
|
Material Supplied |
3v~6v |
|
Power |
<0 5w |
|
Signal Output |
RS-485 |
DIMENSIONS

OPERATIONAL INSTRUCTIONS
(1). KEY PAD OPERATION
+:Increase the setting value and move up; 
-:Decrease the setting value and move down;
< :Left shift; > :Right shift;
menu:OK/POWER ON/POWER OFF
(2) . OPERATION
POWER ON
Step1:In the off state, connect the sensor first. 
Step2:Press the “menu” button and the screen
will light up to display the home page.
Step3:Press the "+" button to start the test ,and display the detected value.
Step4:Press the "-" key to switch to the percentage of saturated dissolved oxygen.
POWER OFF
The first type : After the machine is turned on, the instrument will be turned off after 5 minutes by default. After the time is up to 4 minutes, the instrument will give an alarm. When the time is up to 5 minutes, the instrument will automatically shut down.
The second type: Manually adjustable automatic shutdown time, time mode is 5 minutes, 10 minutes, 30 minutes, 1 hour, 2 hours, never stop, immediately shut down. The instrument will issue a warning before the last minute of the timer, and will automatically shut down after 1 minute. (Except for the mode of never shut down and immediate shutdown)
The third type : Press the “menu” button for a long time and turn off the instrument immediately.
CALIBRATION
The first type:Automatic Mode
Step1 : Entering the automatic calibration interface.
Step2:Put the sensor in the air, press "Start" directly, and the instrument will automatically calibrate.
Step3:After successful calibration, the word "Calibration Completed" is displayed.
The second type:Manual Mode
Step1 : Entering the manual calibration interface.
Step2:Put the sensor in the air, set K and B values, and press the "menu" button.
Step3 : After successful calibration, display "Setup Completed". If the current calibration