The SHT40 belongs to the 4th generation of Sensirion humidity sensors. It is a digital 16-bit sensor offering high accuracy, low power consumption, and a broad supply voltage range. The sensor is based on CMOSens® technology, integrating a humidity and a temperature sensor on a single chip, with I2C digital interface and a fixed 0x44 address. It features high stability and reliability, suitable for demanding environments and battery-powered applications.
| RoHS |
Compliant |
| REACH |
Compliant |
| I2C Address |
0x44Hex |
| Supply Voltage |
1.08 - 3.6V |
| Average Current |
0.4µA |
| Temperature Accuracy |
±0.2°C |
| Relative Humidity Accuracy |
±1.8%RH |
| Operating Temperature Range |
-40 - 125°C |