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Product Attributes

Introduction

The HS400x series is a highly accurate, fully calibrated automotive-grade relative humidity and temperature sensor. The MEMS sensor features a proprietary sensor-level protection, ensuring high reliability and long-term stability. Integrated calibration and temperature-compensation logic provides fully corrected RH and temperature values via a standard I²C output. No user calibration of the output data is required. The high accuracy, fast measurement response time, and long-term stability combined with the small package size makes the HS400x series ideal for a wide number of applications ranging from portable devices to products designed for harsh environments. The HS400x series digital sensor accurately measures relative humidity and temperature levels. The measured data is internally corrected and compensated for accurate operation over a wide range of temperature and humidity levels – user calibration is not required. The ultra-low power consumption, micro-Watt, make the HS400x the ideal choice for portable and remote applications.

Features

• Humidity range: 0% to 100%RH
• Automotive grade, AEC-Q100 qualified, Grade 2, -40℃ to +105℃
• Industrial grade, JEDEC qualified, -40℃ to +125℃
• Digital I²C output with CRC checksum
• RH accuracy: ±1.5%RH, typical (HS4001)
• 14-bit resolution: 0.04%RH, typical
• Independent programmable resolution settings: 8, 10, 12, 14 bits
• Fast RH response time: 4 seconds time constant, typical
• Temperature sensor accuracy: ±0.2℃, typical (HS4001, -10 to +80℃)
• Very 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 and volatile compounds
• Highly robust protection from harsh environmental conditions and mechanical shock

Applications

• Climate control systems
• Instrumentation
• Home appliances
• Weather stations
• Building automation
• HVAC systems
• Medical equipment
• Data logging systems