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The HMA Geotechnical Wireless Convergence Monitor (Model 4430) is designed to be installed in locations in which cable runs are deemed hazardous, or complete systems are cost prohibitive. It will measure displacement between two points, up to 1000mm. The Model 4430 is based on the traditional Model 4420 Convergence Monitor, however incorporates a HMA Frontier telemetry logger. The logger is powered by a Lithium-Thionyl Chloride battery, that is designed to last up to a maximum of 5 years.
The Wireless Convergence Monitor takes readings, stores these readings internally and then uploads the dataset to the HMA server