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Some results from the testing of a high temperature fission counter-chamber in the EBR-II J-2 thimble of the Nuclear Instrument Test Facilities (NITF)
A summary of test results from the life testing of a Twentieth Century Electronics (TCE) Model DC-14B fission counter-chamber at temperatures up to approximately 560/sup 0/C in a typical Liquid Metal Fast Breeder Reactor (LMFBR) nuclear environment. The test results, after approximately 2.5 years of testing in the Experimental Breeder Reactor-II (EBR-II) J-2 thimble of the Nuclear Instrument Test Facilities (NITF), indicate that this type of detector, when attached to a current sensitive type preamplifier can be successfully utilized for long term, fixed position, low level and/or wide range neutron flux monitoring applications in thermal equivalent neutron fluxes of greater than 10/sup 11/ nv. Brief descriptions of the test program, electronic test instruments used and the reactor facility are also included