Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Sensor Type	MOX (Metal Oxide) Gas Sensor
Measured Parameters	TVOC, eCO2, Formaldehyde (HCHO)
Communication Interface	I2C
Operating Voltage	3.3V - 5V DC
Current Consumption	48 mA (during measurement)
Detection Range (eCO2)	400 - 60000 ppm
Detection Range (TVOC)	0 - 60000 ppb
Response Time	< 60 seconds
Operating Temperature	-10°C to +50°C
Module Dimensions	13mm x 13mm x 2.5mm

6 reviews

Anonymous

Mar 27, 2026

Rating: 5/5

Excellent precision for the size

Impressed by how small yet capable this sensor is. The formaldehyde detection feature adds an extra layer of safety monitoring that many cheaper sensors lack. Highly recommended for health-conscious builders.

Anonymous

Mar 23, 2026

Rating: 4/5

Good sensor, requires calibration time

The sensor provides consistent data after the initial 7-day calibration period mentioned in the datasheet. It helped me optimize ventilation in my indoor garden. Just be patient during the first week of use.

Anonymous

Mar 20, 2026

Rating: 5/5

Easy to integrate with Arduino

Library support is excellent. I had it up and running in under 30 minutes. The TVOC readings react quickly to cooking fumes and cleaning products, making it very responsive for real-time monitoring.

Anonymous

Mar 09, 2026

Rating: 3/5

Works well but documentation could be better

The hardware is great, but I had to dig through forums to understand the baseline correction algorithm. Once figured out, it performs as expected. Would give 5 stars if the guide was more detailed.

Anonymous

Mar 02, 2026

Rating: 4/5

Reliable but sensitive to humidity

Overall a solid module. Note that extreme humidity changes can temporarily affect readings, but it stabilizes quickly. For the price point, it's hard to beat for general air quality awareness.

Anonymous

Mar 01, 2026

Rating: 5/5

Perfect for Home Automation Projects

This SGP30 module works flawlessly with my ESP32 setup. The I2C communication is stable, and the eCO2 readings seem quite accurate when compared to a reference meter. Great value for DIY air quality monitors.

5 FAQ

Q: Is the 5V tolerance safe for long-term operation?

A: While the module can accept 5V input due to an onboard regulator, the sensor chip itself operates at 3.3V. For optimal longevity and stability, we recommend powering it with a stable 3.3V source if your controller supports it.

Q: How long does the initial calibration take before accurate readings are available?

A: The SGP30 sensor requires an initial run-in period of approximately 7 days (168 hours) of continuous operation in fresh air to establish an accurate baseline for eCO2 and TVOC calculations.

Q: Can this sensor detect carbon monoxide (CO)?

A: No, the SGP30 is specifically designed to measure Total Volatile Organic Compounds (TVOC) and equivalent Carbon Dioxide (eCO2). It does not directly measure Carbon Monoxide (CO).

Q: What is the expected lifespan of the sensor element?

A: Under normal operating conditions within the specified temperature and humidity ranges, the sensor element typically has a lifespan of over 10 years.

Q: Does this module come with a built-in pull-up resistor for the I2C lines?

A: Yes, the module includes 4.7kΩ pull-up resistors on both SDA and SCL lines, making it ready to connect directly to most microcontrollers without additional components.

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