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DFRobot

DFRobot Gravity Lab DO Sensor Meter Kit

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DF Robot Modules for premium buyers

The DFRobot Gravity Lab DO Sensor Meter Kit by DFRobot is a premium df robot modules designed for premium buyers. It features Operating Voltage (V): 3.3 to 5.5 and Pressure Range (MPa): 0~50PSI.

₹27,749
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Total: ₹27,749
Buying tip: A top-tier option — the best features and quality available in this category.
Estimated delivery: 17 Aug31 Aug
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Quick Specs

Operating Voltage (V): 3.3 to 5.5
Pressure Range (MPa): 0~50PSI
Response Time(s): Up to 98% full response, within 90 seconds (25℃)
Service life: Electrode Service life: 1 year (normal use)
Cable Length: 2 Meter
Probe Connector: BNC

Ideal For

Electronics projectsArduino / Raspberry Pi buildsPrototyping
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SKU: robu-1356249Category: DF Robot Modules

About This Product

The DFRobot Gravity Lab DO Sensor Meter Kit by DFRobot is a premium df robot modules designed for premium buyers. It delivers reliable performance at an accessible price.

Key Specifications

  • Operating Voltage (V): 3.3 to 5.5 — works with standard household power
  • Pressure Range (MPa): 0~50PSI — reliable connection even at a distance
  • Response Time(s): Up to 98% full response, within 90 seconds (25℃)
  • Service life: Electrode Service life: 1 year (normal use)
  • Cable Length: 2 Meter
  • Probe Connector: BNC — compatible with modern devices
  • Signal Output: 0~3.0V
  • Connector Type: BNC — compatible with modern devices

Why Buy from Pricio?

Pricio sources this product directly, cutting out multiple middlemen. Every order includes free shipping, a 15-day return policy, and secure payment via Razorpay.

This is a dissolved oxygen sensor kit, which is compatible with Arduino microcontrollers. This dissolved oxygen meter product 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. We launched a new open-source dissolved oxygen sensor kit, which is compatible with Arduino. This product is used to measure the dissolved oxygen in water, to reflect the water quality. This sensor kit helps you quickly to build your own dissolved oxygen detector. Note: Explore the alternate SKU R164499.


Connection Diagram:

 


Useful Link:

https://wiki.dfrobot.com/Gravity__Analog_Dissolved_Oxygen_Sensor_SKU_SEN0237


Features:

  1. Galvanic probe, no need polarization time
  2.  The filling solution and membrane cap is replaceable, low maintenance cost
  3. 3.3~5.5V wide-range power supply, compatible with most Arduino micro-controller
  4.  0~3.0V analog output, compatible with all micro-controllers with ADC function.
  5.  Gravity interface, plug, and play, easy to use

Package Includes:

1 x Gravity Lab Grade Analog Dissolved Oxygen Sensor / Meter Kit For Arduino

Setup Guide

1
Identify the pins
Locate VCC (power), GND (ground), and data pins (SDA/SCL for I2C, MOSI/MISO for SPI, or TX/RX for UART). Refer to the pinout diagram on the product page.
2
Wire to your microcontroller
Connect VCC to 3.3V or 5V (check the module spec), GND to GND, and data pins to the appropriate GPIO pins on your Arduino or Raspberry Pi.
3
Install libraries
In Arduino IDE, go to Sketch → Include Library → Manage Libraries and search for the sensor library. Install the recommended version.
4
Upload example sketch
Open File → Examples → [library name] → Basic Example. Upload to your board and open Serial Monitor to view output.
5
Calibrate if needed
Some sensors (temperature, humidity, distance) may need a short warm-up period or calibration. Run the calibration sketch if provided.