Sensors

Digital humidity sensors integrate contamination protection

14th April 2016
Nat Bowers
0
Datasheets

At SENSOR+TEST 2016, E+E Elektronik will present the EEH110 and EEH210 digital humidity and temperature sensors for the first time. The integrated E+E proprietary coating protects the sensors from pollution and enables excellent long-term stability, even under harsh conditions. Several interfaces and supply voltages (3 or 5V) allow for easy integration of the accurate RH/T sensors in a wide range of applications.

By employing the E+E proprietary coating, developed for harsh industrial environment, EEH110 and EEH210 set a new standard on the digital sensor market. A special hygroscopic layer protects the active sensor surface from contamination and corrosion, which considerably improves the long-term stability. Additional components, such as filter caps, are not required. This simplifies the design-in of the sensors, reduces space requirements and significantly helps to reduce costs.

Precise humidity and temperature factory adjustment ensures a high accuracy of ±2%RH and ±0.3°C (±0.5°F). The measured values are available on I²C, PWM and PDM digital interfaces. Additionally, EEH210 features a SPI interface, while EEH110 offers an analogue output for relative humidity. The choice of supply voltage, 5V for EEH110 and 3V for EEH210, increases the versatility of the sensors. With very small dimensions of only 3.6x2.8x0.75mm (0.14x0.11x0.03"), the sensors can also be used in applications with space restrictions.

EEH110 and EE210 are optimised for mass manufacturing and can be processed automatically thanks to the DFN enclosure. The digital RH/T sensors are suited for use in smart home applications, in air conditioning or in the field of consumer and entertainment technology.

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