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Waterproof Sensor Serves IAQ System Needs

Renesas Electronics has expanded its ZMOD4410 Indoor Air Quality (IAQ) sensor platform with the what it claims is the industry’s first software-configurable IP67-qualified waterproof option for IAQ applications operating in wet or dirty environments such as kitchens, bathrooms, and hospital rooms, where they are frequently exposed to water, oils and dust. 

The firmware-configurable waterproof ZMOD4410 sensor features a unique hermetically sealed package that protects the sensor from water and dust with a hydrophobic and oleophobic material that is permeable to humidity and volatile organic compounds (VOCs) at the same time. By combining IP67-rated packaging with the industry-leading accuracy and reliability that the ZMOD4410 platform is known for, Renesas enables new, low-power IAQ applications that operate in splash zones, while maintaining the high precision and flexibility customers need to customize their systems and eliminating the need for expensive waterproofing systems, says Renesas.

The IP67-rated ZMOD4410 sensor maintains high accuracy and high performance while eliminating the need for expensive waterproofing systems, making it well suited for use in waterproof end use applications. The sensor is shipped fully calibrated in the hydrophobic and oleophobic package, and customers can apply a conformal coating on their circuitry rather than adding an external membrane to the module. As part of the ZMOD4410 family, the waterproof sensor features AI firmware implemented on an MCU to improve sensing performance, and is also highly resistant to siloxanes, enabling exceptional reliability for use in harsh applications.

Renesas’ software-configurable ZMOD platform provides greater design flexibility for smart sensing systems, allowing firmware updates in the field that enable new, application-specific capabilities such as selective measurements to detect VOCs. This includes IAQ measurement within international guidelines, allowing customers to measure total VOCs (TVOCs) in the low parts-per-million range (ppm). The higher accuracy and consistency provides improved estimated Carbon Dioxide (eCO2) levels. The new waterproof ZMOD4410 sensor module supports all firmware updates to date.

The combination of water proofing, reliability, programmability, best-in-class stability, and sensitivity in measuring VOCs makes the new waterproof sensor well suited for IAQ devices, including smart HVAC systems, ventilator fans, bathroom lights and switches and wearables, that operate in a wide range of high-humidity, splash zone, dirty, or submersible environments.

The ZMOD4410 sensor with hydrophobic package is available now.

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Renesas Electronics | www.renesas.com

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Waterproof Sensor Serves IAQ System Needs

by Circuit Cellar Staff time to read: 2 min