






🌬️ Breathe smarter, measure sharper — the oxygen sensor pros swear by!
The Gravity I2C Oxygen Sensor by DFRobot offers high sensitivity and stability for precise oxygen concentration measurement (0-25% Vol) with a fast ≤15s response time. Compatible with popular microcontrollers like ESP32 and Arduino, it supports a wide voltage range (3.3-5.5V) and operates reliably across diverse environmental conditions. Its compact design and 2+ year lifespan make it ideal for portable air quality monitoring and industrial applications where accuracy and durability matter.



| Manufacturer | DFROBOT |
| Part number | SEN0322 |
| Item Weight | 37 g |
| Package Dimensions | 6.3 x 5.59 x 2.9 cm; 37 g |
| Style | Portable, Compact |
| Material | Nylon |
| Measurement Accuracy | 0.15% Vol |
| Mounting Type | Flange Mount |
| Specific Uses For Product | Oxygen Sensor |
| Batteries Included | No |
| Batteries Required? | No |
Trustpilot
3 weeks ago
3 weeks ago