SHT40I-AD1B
±2% Digital humidity and temperature sensor
Sensirion expands its 4th generation humidity sensing series with the digital SHT4xI sensor platform which has been specifically designed for challenging industrial applications. The series consists of two accuracy versions SHT40I and SHT41I, offering 5V supply voltage, the best robustness and increased ESD protection. The SHT4xI is based on Sensirion’s proven CMOSens® Technology, which ensures the highest reliability. The sensor enables seamless integration with its wide operating voltage range, small size and robust housing. Based on its features and Sensirion’s advanced expertise in humidity sensing, the SHT4xI is the perfect fit for measurements under rough conditions in industrial applications.
Specification
| Humidity | |||
|---|---|---|---|
| Typ. relative humidity accuracy
2
| 2 | %RH | |
| Operating relative humidity range
0 - 100
| 0 - 100 | %RH | |
| Response time (τ63%)
4
| 4 | s | |
| Calibration certificate
Factory calibration
| Factory calibration |
| Temperature | |||
|---|---|---|---|
| Typ. temperature accuracy
0.2
| 0.2 | °C | |
| Response time (τ63%)
2
| 2 | s |
| Generic | |||
|---|---|---|---|
| Supply voltage
2.3 - 5.5
| 2.3 - 5.5 | V | |
| Average supply current
21
| 21 | uA | |
| Max. supply current
350
| 350 | uA | |
| Operating temperature range [°C]
-40 - 125
| -40 - 125 | °C | |
| Interfaces
I²C
| I²C | ||
| Size (LxWxH)
1.5 x 1.5 x 0.5
| 1.5 x 1.5 x 0.5 | mm³ | |
| Packaging size
2500, 10000
| 2500, 10000 | pcs (T&R) |
Downloads
Accessories
| Name | Description | Series | Category |
|---|---|---|---|
 SF2 filter cap | Filter cap for SHT2x to SHT4x humidity and temperature sensors | SFx filter cap | Humidity |
Sensor evaluation
Buy the following products to evaluate this sensor
| Name | Description | Series | Category |
|---|---|---|---|
 SEK-SensorBridge | Connecting bridge with two sensor ports | SEK-SensorBridge | |
 SEK-SHT40I | Digital humidity and temperature evaluation kit | SEK-SHTxx | Humidity |
Download the respective viewer software to start measuring
Go to download centerStart testing our sensors fast and easy with the evaluation kits
How to get startedLatest Humidity sensors
SHT40I-BD1B
±2% Digital humidity and temperature sensor / 0x45 I2C Output
- Sensor
- Humidity
SHT40-CD1B
±1.8% / max. ±3.5% RH Digital humidity & temp. sensor / 0x46 I2C Output
- Sensor
- Humidity
SHT40-BD1B
±1.8% / max. ±3.5% RH Digital humidity & temp. sensor / 0x45 I2C Output
- Sensor
- Humidity
SHT41A-BD1B
±2% humidity sensor for automotive applications / I2C interface
- Sensor
- Humidity
SHT41A-FD1B
±2% humidity sensor for automotive applications / PWM interface
- Sensor
- Humidity
SHT43
Digital humidity sensor with ISO17025 certification
- Sensor
- Humidity
SEK-SHT40-AD1F
Evaluation kit for SHT40 humidity sensor with filter membrane
- Evaluation kit
- Humidity
Smart sensors for your application
Sensirion's sensor solutions are used in a wide range of applications and markets. Our reliable environmental and flow sensors improve energy efficiency, increase health and ensure safety and comfort.