| ₹ 18270.0 includes GST and import duties. | |
| B2B customers can avail ₹ 2786.18 ITC on this product | |
| 100% Secure Payments | 100% Genuine product | |
| The product is eligible for Free Shipping |
Description
The SparkFun STC31 is a high-precision, Qwiic-enabled sensor that accurately measures extreme CO₂ concentrations up to 100% volume.
Features & Specs
- Sensirion STC31 CO2 Sensor
- Thermal conductivity sensor provides calibrated gas concentration and temperature output
- Calibrated for: CO2 in N2; and CO2 in air
- Measurement ranges: 0 to 25 vol%; 0 to 100 vol%
- Accuracy: 0.5 vol% + 3% measured value; 1 vol% + 3% measured value
- Repeatability: 0.2 vol%
- Temperature measurement range: -20 °C to +85 °C
- Concentration and temperature resolution: 16-bit
- Start-up time: 14 ms
- I2C address (configurable): 0x29 (default), 0x2A, 0x2B, 0x2C
- Supply Voltage: 2.7VMin, 3.3VTyp, 5.5VMax
- Note: Qwiic bus operates at 3.3VMax
- Sensirion SHTC3 Humidity and Temperature Sensor
- Allows the STC31 to compensate for humidity and temperature
- Typical accuracy: ±2 %RH and ±0.2 °C
- Specified humidity range (extended): 0 to 100 %RH
- Specified temperature range: -40 °C to +125 °C
- I2C address (non-configurable): 0x70
- Supply Voltage: 1.62VMin, 3.3VTyp, 3.6VMax
- Note: Qwiic bus operates at 3.3VMax
- Dual Qwiic connectors
- Power LED (configurable)
- I2C pull-ups (configurable)
Features & Specs
- Sensirion STC31 CO2 Sensor
- Thermal conductivity sensor provides calibrated gas concentration and temperature output
- Calibrated for: CO2 in N2; and CO2 in air
- Measurement ranges: 0 to 25 vol%; 0 to 100 vol%
- Accuracy: 0.5 vol% + 3% measured value; 1 vol% + 3% measured value
- Repeatability: 0.2 vol%
- Temperature measurement range: -20 °C to +85 °C
- Concentration and temperature resolution: 16-bit
- Start-up time: 14 ms
- I2C address (configurable): 0x29 (default), 0x2A, 0x2B, 0x2C
- Supply Voltage: 2.7VMin, 3.3VTyp, 5.5VMax
- Note: Qwiic bus operates at 3.3VMax
- Sensirion SHTC3 Humidity and Temperature Sensor
- Allows the STC31 to compensate for humidity and temperature
- Typical accuracy: ±2 %RH and ±0.2 °C
- Specified humidity range (extended): 0 to 100 %RH
- Specified temperature range: -40 °C to +125 °C
- I2C address (non-configurable): 0x70
- Supply Voltage: 1.62VMin, 3.3VTyp, 3.6VMax
- Note: Qwiic bus operates at 3.3VMax
- Dual Qwiic connectors
- Power LED (configurable)
- I2C pull-ups (configurable)
Documentation
- Schematic
- KiCad Files
- Hookup Guide
- Datasheets:
- STC Field Calibration Guide
- STC Design-In Guide
- Libraries:
- GitHub Hardware Repo
WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. See link below for more information. www.P65Warnings.ca.gov
Bulk Discount
| Quantity | Price |
| 2 | ₹ 17904.6 |
| 3-5 | ₹ 17721.9 |
| 5-10 | ₹ 17356.5 |
| 10+ | ₹ 16991.1 |
Bulk discount will be automatically applied during checkout based on quantity.