This digital temperature and humidity sensor module gives you accurate environmental readings. It’s for your electronics projects. It has a Sensirion SHT series chip inside a plastic shell. This lets it work in damp or dusty places where an exposed sensor might not. Features and Benefits
- Waterproof probe housing - The vented plastic shell keeps direct water and dust off the sensor part.
- Simple I2C interface - It connects to almost any microcontroller. This includes Arduino, ESP32, or Raspberry Pi. It uses only four wires.
- Multiple sensor options - It comes with different Sensirion chips (SHTC3, SHT30, SHT40). You can pick the right accuracy for your project.
- Factory calibrated digital output - The sensor gives direct, linearized temperature and humidity readings. No complex user calibration is needed. Applications
- Make a backyard weather station to record local climate data.
- Automate a greenhouse or indoor garden. It can control fans and misters.
- Check temperature and humidity inside server racks or electronics enclosures.
What It Is
This product is a Humidity Sensor with an SHTC3 Waterproof Probe. It is an electronics module designed for digital temperature and humidity sensing. The sensor is housed in a plastic shell, offering a robust polymer construction. It utilises an I2C (IIC) digital interface for output, making it suitable for integration into various electronic systems. As a type of proximity sensor, it is engineered to detect the presence of humidity and temperature changes in its immediate environment, providing digital data.
Key Uses & Applications
The Humidity Sensor is suitable for applications requiring accurate digital temperature and humidity readings. Its waterproof probe allows for use in environments where moisture is present. As an industrial sensor, it can be integrated into control systems for environmental monitoring. Examples include HVAC systems, weather stations, and agricultural automation, where precise humidity and temperature data are crucial. While this specific model doesn't detail its detection range, proximity sensors generally work by detecting objects or conditions within a certain distance, often up to 5 cm for smaller sensors, providing a digital output when a threshold is met.
How to Choose
When selecting a humidity sensor, consider the required interface and output. This product features an I2C digital interface, which is a common choice for microcontroller integration. The housing material, in this case, a plastic shell with polymer construction, indicates its durability. To test a proximity sensor like this one, connect it to a compatible I2C master and monitor the digital output for changes in humidity and temperature readings. Ensure the sensor's specifications, such as its waterproof capability, align with the intended application environment. For specific distance sensing needs, consider if an optical sensor or a barrel sensor might be more appropriate.
Housing Material: Plastic Shell. Material: Polymer. Interface: I2C (IIC). Output: Digital. Sensor Type: Digital Temperature and Humidity Sensor. Dimensions (Probe): Varies by specific probe design. Housing Material: Plastic Shell. Material: Polymer. Supply Voltage: 1.8V to 5.5V DC (varies by model). Humidity Range: 0% to 100% RH. Output Type: Digital Sensor. Temperature Range: -40°C to +125°C (varies by model). Interface: I2C (IIC). Humidity Accuracy: ±1.5% RH (typical, varies by model). Temperature Accuracy: ±0.2°C (typical, varies by model). Current Consumption: Microamps (sleep mode), Milliamps (active mode). Product Name: SHTC3 SHT40 SHT30 SHT20 SHT41 SHT45 SHT31 SHT35 Digital Temperature Humidity Sensor. Protection: Waterproof. Response Time: Seconds (typical). Sensor Models: SHTC3, SHT40, SHT30, SHT20, SHT41, SHT45, SHT31, SHT35. Sensor Type: Digital Temperature and Humidity Sensor. Q: What is the typical accuracy for the SHT30 model? A: The SHT30 sensor provides temperature readings with a precision of ±0.2°C. For relative humidity, the accuracy is rated at ±2% RH.. Q: How waterproof is this probe? Can I put it underwater? A: The plastic shell is water-resistant, designed to protect the sensor from dust, condensation, and splashes in a humid environment. It is not rated for continuous submersion in water.. Q: I'm putting this near an electric motor. Will the magnetic field affect its readings like it would a magnetic sensor? A: No, you don't need to worry about that. This sensor measures temperature and humidity using methods that are not susceptible to magnetic fields, so a nearby motor won't interfere with its accuracy.. Q: Do you have any guides for using this with an Arduino? A: Yes, absolutely. These sensors use the common I2C communication protocol, and there are many public libraries available. If you contact us after your purchase, we can point you to some helpful code examples and wiring diagrams.. Q: What's the real difference between the SHT30 and SHT40 versions? A: The SHT40 is a newer model with a slight edge in accuracy and lower power consumption. While the SHT30 is great for general use, the SHT40 is a better fit for battery-powered devices or applications needing the highest precision..