Data Acquisition & Telemetry


Two-way long-range remote control

July 2005 Data Acquisition & Telemetry

Pear Alliance is offering a low cost, two-way long range remote control, consisting of two radios, each housed in an SABS approved UV stabilised tube, measuring just 40 mm x 350 mm. The remote system has an internal antenna that does away with the need for specialised RF connectors and cable, making the installation quick, simple and cost-effective.

The frequencies used are in the ISM licence-free band, so no licence applications or fees are required. The input is opto isolated and the output relay is rated at 1 A. The system is aimed at the farming and industrial sectors where long range remote switching is needed. The system has a line-of-sight range of 4 km. The two-way function allows for confirmation of the switch command, for example, the user could switch on a borehole pump and via a pressure switch, get confirmation back that the pump is running, and be warned should the pump fail. Pear Alliance offers the basic system as well as custom configurations.

For more information contact Peter Davies, Pear Alliance, 011 955 5700, peter@pear.co.za, www.pear.co.za





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