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120QA_centaur.1 1.44 KiB
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# Displacement response = Nanometrics 120QA + Centaur 
# Seismometer sensitivity from manual 1202 Vs/m   
# ED sensitivity 800000 counts/V 
# System sensitivity 1202x800000 = 0.9616 counts/nm/s
# ncal 2*pi*1*0.9616 = 6.041911 counts/nm 
# == 0.165511 nm/count @ ncalper=1s.
# Normalization factor 8.318710E+17 (from Trillium manual)
# std conts. => 0.9616  x 8.318710E+17 = 7.999272e+17  
theoretical   1 instrument   paz    Kortstrom
7.999272e+17 
     11
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