Pressure based battery powered wireless cellular liquid level tank monitor and level reporting system

摘要

A method, apparatus, and system for remotely monitoring a liquid level in a tank are provided by broadcasting a signal indicative of the liquid level in the tank directly to a cellular communication network from a stand-alone liquid level monitor operatively attached to the tank. The stand-alone monitor is battery powered and includes a processor configured for conserving power by operating the monitor according to a periodic sampling and broadcast schedule, which may be modified by signals received at the monitor directly from the cellular communications network.