Digital Humidity Sensors

HYT R411 Low Temperature Humidity Sensor

HYT R411 is a fast-responding digital humidity and temperature sensor which has a very wide temperature range from -90°C to +50°C. 

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Utilizing IST's "Rapid-2" technology, the HYT R411 has a response time of less than half a second at 23°C. Because of its ability to operate at very low temperatures, the HYT R411 can be used in cryogenic applications and other areas where low temperature exists. 

I2C compatible interface is standard.


  • Measurement range of 0 to 100% rH, -90°C to 50°C
  • Humidity Accuracy ±2% rH at 23°C
  • Temperature accuracy ±0.5 K from -80°C to 0°C, ±0.2 K from 0°C to +50°C
  • Linearity error: <±1% rH
  • Operating voltage: 2.1V to 3.6V
  • I2C interface


  • Environmental equipment
  • Cryogenic
  • Instrumentation