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🌬️ Breathe easy with precision oxygen sensing—plug in, calibrate, and conquer your air quality projects!
The DFRobot Gravity Electrochemical Oxygen O2 Sensor Module (SEN0322) delivers precise ambient oxygen measurements (0-25% Vol) with 0.15% resolution via a hassle-free I2C digital interface. Designed for quick plug-and-play use with Arduino, ESP32, and Raspberry Pi, it features fast 15-second response times, a durable electrochemical probe with minimal drift, and a 2-year lifespan. Ideal for IoT air quality monitoring in confined spaces, smart agriculture, and safety systems.






| ASIN | B08BL1NLGV |
| Best Sellers Rank | #161,001 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #360 in Temperature Probes & Sensors |
| Brand | DFROBOT |
| Brand Name | DFROBOT |
| Current Rating | 0.1 milliamps |
| Customer Reviews | 4.8 out of 5 stars 10 Reviews |
| Item Highlight | 0.15% Vol Resolution, Manual Single-Point Air Calibration, Compatible With Arduino, ESP32, And Raspberry Pi |
| Item Weight | 37 g |
| Manufacturer | DFROBOT |
| Material | Nylon |
| Material Type | Nylon |
| Maximum Supply Voltage | 5.5 volts_of_direct_current |
| Measurement Accuracy | 0.15%Vol |
| Measuring Range | 0~25%Vol |
| Model | SEN0322 |
| Mounting Type | Flange Mount |
| Output Type | I2C digital data stream |
| Part Number | SEN0322 |
| Response Time | 15 seconds |
| Specific Uses For Product | Oxygen Sensor |
| Style | Portable,Compact |
| Style Name | Portable,Compact |
| Upper Temperature Rating | 50 °C |
M**R
Please read this information prior to installation.
IMPORTANT INFORMATION: This sensor is model number: SEN0322. If you are using an Arduino, make sure that you use the library called, DFRobot_OxygenSensor. Do not use the library called DFRobot_EOxygenSensor, as this is for the sensor model SEN0496 and WILL NOT work with this sensor. As for the sensor itself, it it easy to setup (with the correct library) and appears to work flawlessly.
C**N
funciona muy bien
Funciono muy bien en el prototipo
R**L
Buen sensor de 02 atmosferico
Uno duró poco, pero el otro esta estable despues de 2 años!
Trustpilot
1 month ago
3 days ago