H Hanna Instruments διαθέτει ένα τεμάχιο ΗΙ504903 GSM Supervisor στην ενδεικτική τιμή των 150,00 Ευρώ έναντι των 400,00 Ευρώ που είναι η αξία του (οι τιμές δεν συμπεριλαμβάνουν ΦΠΑ).

Μερικά από τα βασικά χαρακτηριστικά του είναι:

• GSM phone inside for Short Messaging Service (SMS) sending.

• Possibility of a wireless remote interface configuration or connection to a computer workstation (equipped with a modem) through the cellular phone inside.

• RS232 auxiliary port (PC config) for configuration or connection purpose with a local computer

• RS485 port

• Digital input port (typically connected to an alarm relay) to acquire information from “non-intelligent” instruments.

• Digital output port, for which it is possible to change the status (open/closed) through an appropriate SMS sent to the interface.

• SMS enabling/disabling option through a dedicated port.

• LED indicators

• Real time clock.

• Diagnostic features.

• Internal backup battery which provides power supply in case of mains power failure.

Για περισσότερες λεπτομέρειες:

hi_504903_manual (1)