The HS4004 is a highly accurate, ultra-low power, fully calibrated relative humidity and temperature sensor. The MEMS sensor features a proprietary sensor-level protection ensuring high reliability and long-term stability. The HS4004 is fully calibrated and temperature compensated with an I2C digital output.

• Humidity range: 0% to 100%RH
• RH accuracy: ±3.5%RH, typical
• I2C digital output 
• 14-bit resolution 
• Fast RH response time: 4 seconds, typical
• Temperature sensor accuracy: ±0.3°C, typical (0 to +70°C)
• Low current consumption: 0.3µA average (8-bit resolution, 3.3V supply), 0.62µA average (14-bit resolution, 3.3V supply), one RH and temperature measurement per second
• Excellent stability against aging