• Build a Control Network with up to 31 Dataloggers
• Integrate with PC, Cellulare Phone and Modem
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You can choose between two connection types: direct connection between PC and HI 142/HI 504903 system, or modem connection which allows logger supervision from a distance of several kilometers. It is possible to build a control network with up to 31 loggers. If an error occurs in one or more loggers, e.g. measured temperature is outside the set limit or in case of power failure, HI 504903 will advise the user by sending an SMS to the programmed phone number(s). The message will contain the logger ID and the error. If the HI 504903 does not receive any confirmation of received SMS, it will continue to send messages and call the user. The operator can also check system status by calling the HI 504903 GSM supervisor, that will answer with an SMS for each logger. The message will include the operating status (stand-by, logging), any recorded error and the current temperature.

HI 142 is supplied complete with instructions. HI 504903 is supplied complete with configuration software, line termination key, HI 920010 serial cable for PC connection, 12 Vdc power adapter and instructions.