Lays down additional standard requirements concerning neutron flux measurements, temperature measurements, measurements on the coolant, and the protection system.
You easily download any file type for your gadget.IEC 60231F Ed. 1.0 b:1977, Sixth supplement: Steam generating, direct cycle, heavy-water moderated reactors | IEC TC/SC 45A. I have read it a couple of times and even shared with my family members. Really good. Couldnt put it down.