GSM telemetry unit A755 addSDI, A757 addPULSE

GSM telemetry unit
GSM telemetry unit
GSM telemetry unit
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Economically stores and transmits data from all environmental sensors with SDI-12 interface The A755 V2 addSDI GPRS RTU was developed to provide users of SDI-12 sensors with an inexpensive means to log and transmit up to 40 SDI-12 values of environmental data, while at the same time providing 2 pulse inputs, e.g. for water meters and rain gauges, and 2 digital TTL ports which are custom configurable either as in- or as outputs. Should the GSM network go down or the GPRS connection be interrupted no data will be lost as the A755 features plenty of internal memory. Example: 15-minute data from a multi-parameter water quality sonde with 8 parameters will be stored for about 4 weeks. All functions can be remotely configured through the A850 Gateway. A quad-band GSM/GPRS modem from Telit (formerly Motorola) and a powerful NiMH battery are built-in. The rugged aluminum case has stainless IP-67 connectors and an integrated mast mounting bracket. Power is supplied by means of a solar panel (e.g. Adcon's 200.733.522 540mA panel) or an external power supply.


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