Press'O
Press'O gives existing analogue instruments a wireless voice: connect any 4–20 mA or 0–10 V level, pressure, temperature or air-quality transducer and its readings are sent over LoRaWAN. A switched, stabilised 10 V or 14 V supply powers the connected gauge only during measurement, and readings are stored and compressed so that 24 measurements a day with one daily report give around five years of battery life, or a 9–24 V DC input can be used. Typical applications include water-tower, rainwater and groundwater level monitoring, buried oil and gas tank levels in building management, and bringing legacy process sensors onto an IoT platform.
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