Renesas Electronics this week announced the release of an improved ZMOD4510 Air Quality (OAQ) sensor featuring a waterproof housing (IP67 rating) and a new AI-based algorithm that allows selective ozone measurements. According to the manufacturer, the ZMOD4510 is the industry’s first fully calibrated miniature digital OAQ sensor with selective ozone measurement, allowing air quality to be determined in close proximity to the user.
The sensor is based on a MEMS heater and a chemisistor – an element whose resistance changes in the presence of certain chemicals and compounds. The sensor is suitable for wearable devices, smartphones and industrial monitoring devices. Its important advantage is its ultra-low power consumption. In selective ozone mode, it consumes less than 200 μW, which increases the operating time of battery-powered devices. The sensor also provides a non-selective measurement of NO.2 and O3… The measurement results are used to determine the “air quality index”.
The sensor is guaranteed to operate at temperatures from -40 ° C to +65 ° C with a supply voltage of 1.7 V to 3.6 V. The sensor is available in an LGA package. The dimensions of the standard version are 3.0 x 3.0 x 0.7 mm, the IP67 version is 3.0 x 3.0 x 0.9 mm.
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