Control system runs via CDMA mobile signals
An
Electrosense Technologies product story
Edited by the Engineeringtalk editorial team
Jul 27, 2005
M2M-CDMA is the latest addition to the range of low-cost mobile phone supervisory systems from Electrosense Technologies.
M2M-CDMA is the latest addition to the range of low-cost mobile phone supervisory systems from Electrosense Technologies.
The system uses a pair of CDMA mobile phones to control and monitor almost any piece of equipment from anywhere in the world with access to the CDMA network.
Operations include turning relays on and off, observing alarm conditions and receiving numerical values from sensors as information included in a text message.
No expensive dedicated CDMA modem is required, simply activate the phone, setup a password and a return phone number then connect the phone to the electronic interface, together with relays, alarm inputs and sensors, and it's ready to use.
The standard system is suitable for remote location monitoring and is powered by a 2W 6V solar panel with sealed lead acid battery backup.
By combining the unit with an Electrosense liquid level measuring probe, it is possible to remotely determine water level with in a variety of situations including rainwater tanks, reservoirs, rivers, irrigation channels etc.
Pumps can be activated and low or high level warnings received, all from thousands of kilometers away.
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