Introduction: Analog Dissolved Oxygen Sensor
Analog Dissolved Oxygen Sensor. This is a dissolved oxygen sensor kit, which is compatible with Arduino microcontrollers. as well as Analog Dissolved Oxygen Sensor is used to measure the dissolved oxygen in water, to reflect the water quality. It is widely applied in many water quality applications, such as aquaculture, environment monitoring, natural science and so on.
You may also check Liquid Sensor Selection Guide to get better familiar with our liquid sensor series. There’s an old saying regarding to keeping fish, “Good fish deserves good water”. Good water quality is very important to the aquatic organisms. Dissolved oxygen is one of the important parameters to reflect the water quality. Low dissolved oxygen in water will lead to difficulty in breathing for aquatic organisms, which may threaten their lives.
Special Note: Analog Dissolved Oxygen Sensor
Due to the International Import and Export Policy, the corrosive solution (acid & alkaline solution) is not allowed to deliver by air transportation. The filling solution is not included in the kit. You have to purchase it from local shop or deploy the solution by yourself, refer to WiKi FAQ-Q4. so it can’t work without filling solution! Please be caution with the purchase!
Note: Analog Dissolved Oxygen Sensor
1.The filling solution is 0.5 mol/L NaOH solution. You need to pour it in the membrane cap before use. Please be caution with the operation because the solution is corrosive. Please wear gloves! If the solution accidentally drops onto the skin, wash your skin with plenty of water immediately.
2.The oxygen permeable membrane in the membrane cap is sensitive and fragile. Be caution when handling with it. Fingernail and other sharp objects should be avoided.
3.The DO sensor will consume a little oxygen during the measurement. Please gently stir the solution and let the oxygen to be distributed evenly in the water.
Dissolved Oxygen Probe：Analog Dissolved Oxygen Sensor
1. Galvanic probe, no need polarization time
2. Filling solution and membrane cap is replaceable, low maintenance cost
Signal Converter Board:
1. 3.3~5.5V wide-range power supply, compatible with most Arduino microcontroller
2. 0~3.0V analog output, compatible with all microcontrollers with ADC function.
3. Gravity interface, plug and play, easy to use
Dissolved Oxygen Probe
Type: Galvanic Probe
Detection Range: 0~20mg/L
Response Time: Up to 98% full response, within 90 seconds (25℃)
Pressure Range: 0~50PSI
Electrode Service Life: 1 year (normal use)
Maintenance Period: Membrane Cap Replacement Period: 1~2 months (in muddy water); 4~5 months (in clean water) Filling Solution Replacement Period: Once every month
Cable Length: 2 meters
Probe Connector: BNC
Analog Dissolved Oxygen Sensor.
Signal Converter Board
Operating Voltage: 3.3~5.5V
Output Signal: 0~3.0V
Cable Connector: BNC
Signal Connector: Gravity Analog Interface (PH2.0-3P)
Dimension: 42mm * 32mm
Galvanic Dissolved Oxygen Probe with Membrane Cap x1
Spare Membrane Cap x1
Signal Converter Board x1
Gravity Analog Sensor Cable x1
Waterproof Gasket x2
Screw Cap for BNC Connector x1
Plastic Dropper x2
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Analog Dissolved Oxygen Sensor.