Wetlabs BB9 Lab Calibration Wayne Slade and Jim Loftin 19 April 2006 Using two laptops for logging ac-s and bb9 Black horse bucket plumbed to bottom of ac-s c tube Room lights off during bb9 readings Lab tape on bb9 marks position of instrument for each of three rotations for the three heads and position of frame on bucket Room temperature t = 20.8 C (1) bb9 dark reading (black rubber taped over each bb9 head) not immersed bb9-dark1.txt (2) ac-s c-side diw fed from horse bucket t = 24.8 C acs007_20060419_c-diw_24.8.dat (3) bb9 diw t = bb9-diw-blue.txt bb9-diw-green.txt bb9-diw-red.txt t = 24.5 C (4) added 5 drops 2um Duke poly beads Cat #4202A Lot 28472 Exp Jun 08 1.998um +/- 0.022um sigma 0.020um sonicated water bath on power setting 2 for ~2 minutes 100% duty cycle t = 24.3 C bb9-2um-5-red.txt bb9-2um-5-green.txt bb9-2um-5-blue.txt t = 24.2 C (5) ac-s 5 drops total t = 24.2 C acs007_20060419_c_2u_5drops_24_2.dat (6) added 5 drops (total 10) and diw to previous level bb9-2um-10-blue.txt bb9-2um-10-green.txt bb9-2um-10-red.txt t = 24.0 C (7) ac-s 10 drops total t = 24.0 C acs007_20060419_c_2u_10drops_24_0.dat (8) added 10 drops (total 20) and added water to previous level bb9-2um-20-red.txt bb9-2um-20-green.txt bb9-2um-20-blue.txt (9) ac-s 20 drops total t = 23.8 C acs007_20060419_c_2u_20drops_23_8.dat (10) added 20 drops (total 40) and added water to previous level t = 24.0 C bb9-2um-40-blue.txt bb9-2um-40-green.txt bb9-2um-40-red.txt t = 24.0 C (11) ac-s 40 drops total t = 23.9 C acs007_20060419_c_2u_40drops_23_9.dat (12) bb9 dark reading (black rubber taped over each bb9 head) IMMERSED bb9-dark2.txt