---
product_id: 232087546
title: "Gravity: I2C Electrochemical Oxygen Sensor (0-25% Vol Range) for Arduino/Raspberry Pi/ESP32-0.15% High Accuracy, ≤15s Fast Response, Air Quality Monitoring for Labs/Warehouses"
brand: "dfrobot"
price: "$111.84"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/232087546-gravity-i2c-electrochemical-oxygen-sensor-0-25-vol-range-arduino
store_origin: US
region: United States of America
---

# ≤15s rapid response 0.15% ultra-high accuracy I2C seamless integration Gravity: I2C Electrochemical Oxygen Sensor (0-25% Vol Range) for Arduino/Raspberry Pi/ESP32-0.15% High Accuracy, ≤15s Fast Response, Air Quality Monitoring for Labs/Warehouses

**Brand:** dfrobot
**Price:** $111.84
**Availability:** ✅ In Stock

## Summary

> 🌬️ Breathe Easy with Precision: The Oxygen Sensor That Keeps You Ahead

## Quick Answers

- **What is this?** Gravity: I2C Electrochemical Oxygen Sensor (0-25% Vol Range) for Arduino/Raspberry Pi/ESP32-0.15% High Accuracy, ≤15s Fast Response, Air Quality Monitoring for Labs/Warehouses by dfrobot
- **How much does it cost?** $111.84 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/232087546-gravity-i2c-electrochemical-oxygen-sensor-0-25-vol-range-arduino)

## Best For

- dfrobot enthusiasts

## Why This Product

- Trusted dfrobot brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Lightning-Fast Readings:** Get reliable air quality data in under 15 seconds—perfect for dynamic industrial and environmental monitoring.
- • **Plug & Play Versatility:** Effortlessly connect to Arduino, Raspberry Pi, or ESP32 with I2C interface and ready-to-use sample code.
- • **Pinpoint Oxygen Precision:** Electrochemical sensor delivers lab-grade 0-25% O₂ detection with 0.15% resolution for critical environments.
- • **Interference? Not a Problem:** Strong anti-interference and repeatability (<2%) ensure consistent, trustworthy measurements every time.
- • **Built to Brave Harsh Conditions:** Industrial-grade durability with a 2-year lifespan, operating from -20°C to 50°C and 0-99% humidity.

## Overview

The Gravity I2C Electrochemical Oxygen Sensor offers ultra-precise oxygen level detection (0-25% Vol) with 0.15% resolution and rapid ≤15s response time. Designed for seamless integration with Arduino, Raspberry Pi, and ESP32 via I2C, it features industrial-grade durability and strong anti-interference capabilities, making it ideal for professional air quality monitoring in labs, warehouses, and confined spaces.

## Description

Full description not available

## Features

- High-Accuracy Oxygen Detection: Utilizes electrochemical sensing technology to precisely measure O₂ concentration (0~25%Vol, 0.15% resolution). Ideal for industrial, mining, storage, and environmental monitoring in confined or poorly ventilated spaces
- High Precision with Strong Anti-Interference: Features excellent sensitivity (0.10±0.05) mA (in the air), repeatability (<2%), and long-term stability (<2%/month). Fast ≤15s response time ensures reliable readings even in dynamic environments.
- Broad Compatibility & Easy Integration: Works with 3.3~5.5V DC and outputs via I2C, seamlessly connecting to Arduino, ESP32, Raspberry Pi for flexible project development.
- Plug & Play with Ready-to-Use Examples: Includes Gravity interface and sample code, enabling quick setup without complex calibration. Perfect for prototyping, education, and industrial applications.
- Durable & Industrial-Grade Reliability: 2-year lifespan in air, operates in -20~50°C and 0~99%RH (non-condensing). Robust construction ensures stable performance under harsh conditions.

## Product Details

- **Brand:** DFROBOT
- **Material:** Nylon
- **Item Weight:** 37 Grams
- **Style:** Portable,Compact
- **Current Rating:** 0.1 Milliamps

## Images

![Gravity: I2C Electrochemical Oxygen Sensor (0-25% Vol Range) for Arduino/Raspberry Pi/ESP32-0.15% High Accuracy, ≤15s Fast Response, Air Quality Monitoring for Labs/Warehouses - Image 1](https://m.media-amazon.com/images/I/61dvkKby3AL.jpg)

## Frequently Bought Together

- Gravity: I2C Oxygen Sensor Compatible with Esp32 (0-25% Vol) | High Sensitivity High Stablility High Anti-Interference | Suitable for Portable Air Quality Monitoring Device
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**Shop now:** [https://www.desertcart.us/products/232087546-gravity-i2c-electrochemical-oxygen-sensor-0-25-vol-range-arduino](https://www.desertcart.us/products/232087546-gravity-i2c-electrochemical-oxygen-sensor-0-25-vol-range-arduino)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-22*