Product Title:HONEYWELL FC-SAI-1620M Secure analog input card
About product details
If the antenna counterpoise must serve as an earth electrode subsystem, it must have low RF impedance properties.At fixed facilities, the earth electrode subsystem should exhibit a resistance to earth of 10 ohms or less. If 10 ohms is not economically feasible by the ring ground, alternate methods should be considered (3) The conditions of the site and its location must be considered in the design process. (a) Determine if the soil resistivity is low (< 5000 ohm-cm), average (5000 to 20,000 ohm-cm), or high (> 20,000 ohm-cm). The higher the soil resistivity, the more complex (and expensive) will be the electrode subsystem necessary to achieve 10 ohms resistance.
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