Campbell Scientific CR800 and CR850 Measurement and Control Systems User Manual
Page 89
Section 7. Installation
89
In addition to protections discussed in ESD Protection
(p. 86),
use of a simple
lightning rod and low-resistance path to earth ground is adequate protection in
many installations. A lightning rod serves two purposes. Primarily, it serves as a
preferred strike point. Secondarily, it dissipates charge, reducing the chance of a
lightning strike. Figure Lightning-Protection Scheme
(p. 89)
shows a simple
lightning-protection scheme utilizing a lightning rod, metal mast, heavy-gage
ground wire, and ground rod to direct damaging current away from the CR800.
Figure 32: Lightning-protection scheme
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