
Appendix B. CNF4 Heater/Ventilator
2. Attach the heater/ventilator unit unto the bottom of the CNR4 sensor,
using the t ws and washers, as shown in FIGURE B-2.
Make sure that the pyranometer and the pyrgeometer windows are not
scratched during the installation.
hree pan-head scre
FIGURE B-2. Attaching the CNF4 to CNR4 using pan-head screws and
washers
B-4
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