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Gravity Analog Dissolved Oxygen Sensor / Meter Kit for Arduino
  • Gravity Analog Dissolved Oxygen Sensor / Meter Kit for Arduino
  • Gravity Analog Dissolved Oxygen Sensor / Meter Kit for Arduino Robotics Bangladesh

Gravity Analog Dissolved Oxygen Sensor / Meter Kit for Arduino

RBD-2325
DFRobot

This is a dissolved oxygen sensor kit. A dissolved oxygen meter 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, etc. 

There’s an old saying regarding keeping fish, “Good fish deserves good water”. Good water quality is very important to aquatic organisms. Dissolved oxygen is one of the important parameters to reflect water quality. Low dissolved oxygen in the water will lead to difficulty in breathing for aquatic organisms, which may threaten their lives.

BDT 26,990
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  • Store Pickup Available! Store Pickup Available!
  • Free Ship Over 5000 BDT Free Ship Over 5000 BDT
  • Quality Product Quality Product
  • No Warranty No Warranty
  • No Replacement No Replacement

INTRODUCTION

This is a dissolved oxygen sensor kit. A dissolved oxygen meter 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, etc. 

There’s an old saying regarding keeping fish, “Good fish deserves good water”. Good water quality is very important to aquatic organisms. Dissolved oxygen is one of the important parameters to reflect water quality. Low dissolved oxygen in the water will lead to difficulty in breathing for aquatic organisms, which may threaten their lives.

The probe is galvanic, does not need polarization time, and stays available at any time. The filling solution and membrane cap are replaceable, leading to the low maintenance cost. The signal converter board is plug-and-play and works from 3.3V - 5V which makes it compatible with most popular microcontrollers such as ESP32Raspberry Pi and Arduino

You may also check Liquid Sensor Selection Guide to get better familiar with our liquid sensor series.

Arduino Dissolved Oxygen (DO) Sensor Connection Diagram
Arduino Dissolved Oxygen (DO) Sensor Connection Diagram


SPECIAL INSTRUCTION:
Due to the International Import and Export Policy, the corrosive solution (acid & alkaline solution) cannot be delivered by air transportation. The filling solution is not included in the kit. You have to purchase it from the local shop or deploy the solution by yourself, refer to WiKi FAQ-Q4. It can’t work without a filling solution! Please be cautious with the purchase!

Note:
1. The filling solution is 0.5 mol/L NaOH solution. You need to pour it into the membrane cap before use. Please be cautious 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 cautious when handling 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 be distributed evenly in the water.

FEATURES

Dissolved Oxygen Probe:

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

SPECIFICATION

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
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

PROJECTS

Project 1. Analog Dissolved Oxygen Sensor Tutorial | DIY Arduino D.O. Meter

Introduction: Since measuring the parameter of water quality is a complex task, so measuring the dissolved oxygen in water is also not an easy task. That is why the Dissolved Oxygen Meter (DO Meter) available in the market is very expensive. That is why it is important to make your own Dissolved Oxygen Meter. So the Gravity Analog Dissolved Oxygen Sensor from DFRobot is one of the most popular and best Dissolved Oxygen Sensors that are available in the market.

This project will interface Gravity Analog Dissolved Oxygen Sensor with Arduino Board and 0.96″ OLED Display. Firstly, preparing the DO Sensor by filling the 0.5N Sodium Hydroxide Solution, then preparing the sensor for testing. Once the sensor is prepared, go through the Arduino Dissolved Oxygen Sensor calibration code & calibrate the sensor. And then finally making your own Dissolved Oxygen Meter & display the dissolved Oxygen value in OLED Display.

Project 2. Build KnowFlow: automatic water monitor

KnowFlow is the name of this water quality monitoring device, based on Arduino Uno. It can automatically monitor 5 parameters of water: pH, Temperature, Dissolved Oxygen, Electronic Conductivity, ORP.

Project 3. Calibrated Dissolved Oxygen Meter

Introduction: Are you working on a aquaponics or hydroponics project? Or you simply have a fish tank and want your fish to be happy? If yes, you'll probably need a way to measure dissolved Oxygen level.

DOCUMENTS

SHIPPING LIST

  • 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

What is the price of Gravity Analog Dissolved Oxygen Sensor / Meter Kit for Arduino in Bangladesh?

The latest price of Gravity Analog Dissolved Oxygen Sensor / Meter Kit for Arduino in Bangladesh is BDT 26,990 You can buy the Gravity Analog Dissolved Oxygen Sensor / Meter Kit for Arduino at best price from our RoboticsBD or visit RoboticsBD Office.

Please note that the product information provided on our website may not be entirely accurate as it is collected from various sources on the web. While we strive to provide the most up-to-date information possible, we cannot guarantee its accuracy. We recommend that you always read the product labels, warnings, and directions before using any product.

Product Images are shown for illustrative purposes only and may differ from the actual product.

Product Details
RBD-2325
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