Improved Technology New Humidity Sensors Offer Enhanced Accuracies

Sensirion has introduced two new versions of its fourth-generation humidity sensors – the SHT41 and SHT45. These sensors offer enhanced humidity and temperature accuracy specifications, setting the new market and technology standard. The sensors also build on the optimized CMOSens chip that offers ultra-low power consumption.

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Sensirion AG

AZO GmbH + Co. KG

Hans Turck GmbH & Co. KG

In line with Sensirion’s industry-proven humidity and temperature sensors, the SHT4x series offers unmatched price-performance ratio. Tape and reel packaging, combined with its suitability for standard SMD assembly processes, make the series ideal for high-volume applications, adds the firm.

The ultra-high accuracy versions SHT41 and SHT45 feature typical accuracies that have been honed down to ∆RH = ± 1% RH and ∆T = ± 0.1°C, setting the new market standard across all industries. The sensor builds on a brand-new and optimized CMOSens chip that offers ultra-low power consumption.

Sensirion’s CMOSens Technology provides a complete sensor system on a single chip, with a fully calibrated digital I2C fast mode plus interface. The sensors cover operating ranges from 0 to 100 % RH and from -40°C to +125°C. With the extended supply voltage range from 1.08 V to 3.6 V and 400 nA average current, the SHT4x is perfectly suited to mobile and battery-driven applications, mentions the company.

The exceptionally small size delivered in a robust DFN housing enables integration into challenging designs while meeting the highest reliability demands, as demonstrated by the Jedec JESD47 qualification.

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