The HIH-6100 series offers two units in one with a digital output-type relative humidity (RH) and temperature sensor combined into one package. The HIH-6100 offer an accuracy of ±4.0 %RH. These devices have several advantages making them extremely competitive and these include:
Industry-leading long-term stability
Industry-leading Total Error Band
Industry-leading reliability
Lowest total cost solution
True temperature-compensated digital I²C output
Energy efficiency
Ultra-small package

Potential Applications:
HVAC/R
Respiratory therapy
Incubators/microenvironments
Air compressors
Weather stations
Telecom cabinets

Features:
Wide operating temperature range: -25 to +85 °C allows for use in many applications
Multi-function ASIC: Provides flexibility within the application by lowering or eliminating the risk and cost of OEM calibration
Industry-standard package: Provides easy design-in
RoHS and WEEE compliant; halogen-free
Hydrophobic filter and condensation-resistant: allow use in many condensing environments
I²C digital communication format: Provide flexibility in integrating the sensors into existing system level architecture

Temperature & Humidity Sensors, Honeywell