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  Coating Ring-down Measurement Lab elog  Not logged in ELOG logo
Message ID: 166     Entry time: Mon Nov 7 16:59:10 2016
Author: Gabriele 
Type: General 
Category: Measurements 
Subject: S1600458 

2016-11-07

  • 4:46pm installed and balanced
  • 4:47pm, roughing pump started
  • 4:59pm turbo pump started
  • 8:23pm: excitation, quiet time before 1162613072, excitation 1 kV, quiet time after 1162614126
  • Three more excitations (1.5 kV, 20 seconds) planned for the night
    • Quiet time before excitation: 1162624994
      Excitation at 1162625037 (20 s)
      Quiet time after excitation: 1162625057

    • Quiet time before excitation: 1162635887
      Excitation at 1162635930 (20 s)
      Quiet time after excitation: 1162635950

    • Quiet time before excitation: 1162646780
      Excitation at 1162646823 (20 s)
      Quiet time after excitation: 1162646843

  • Not clear why, but the overnight excitation didn't go through.
    Trying again amplitude 3kV, quiet time before 1162657046, quiet time after 1162657246

2016-11-08

  • pumps stopped at 10:15am

Results

2016-11-07

% Freq        Q                 Q (C.I. 95%)      Q (C.I. 95%)
2551.8        3.7876e+06        3.7330e+06        3.8438e+06
4443.7        3.5381e+06        3.5361e+06        3.5400e+06
4511.3        2.3349e+05        2.3326e+05        2.3373e+05
6778.3        2.7169e+06        2.7161e+06        2.7178e+06
6790.6        8.5771e+06        8.4590e+06        8.6985e+06
6856.4        1.5505e+06        1.5497e+06        1.5513e+06
6918.0        5.2488e+04        5.2484e+04        5.2492e+04
9546.1        2.5680e+06        2.5632e+06        2.5729e+06
10236.2        1.5916e+06        1.5915e+06        1.5917e+06
10392.6        1.9989e+06        1.9988e+06        1.9990e+06
11331.0        1.2034e+06        1.2033e+06        1.2035e+06
12738.7        1.3389e+06        1.3365e+06        1.3414e+06
12865.9        5.5771e+05        5.5768e+05        5.5773e+05
14212.1        4.5965e+06        4.5963e+06        4.5966e+06
16123.7        2.8340e+06        2.8253e+06        2.8427e+06
16136.4        8.1131e+06        8.0328e+06        8.1950e+06
16357.3        2.3864e+06        2.3820e+06        2.3908e+06
18688.6        3.6459e+06        3.6459e+06        3.6460e+06
18865.2        2.2149e+06        2.2149e+06        2.2150e+06
20348.7        1.5629e+06        1.5628e+06        1.5629e+06
21415.2        1.7095e+06        1.7095e+06        1.7095e+06
21904.5        3.6954e+06        3.6953e+06        3.6955e+06
23630.5        1.3725e+06        1.3724e+06        1.3725e+06
23787.0        3.3216e+05        3.3215e+05        3.3216e+05
24771.6        1.1522e+06        1.1522e+06        1.1523e+06
25236.5        1.9997e+06        1.9996e+06        1.9997e+06
25543.0        5.9194e+05        5.9193e+05        5.9195e+05
25562.4        8.3780e+05        8.3778e+05        8.3782e+05
27208.6        2.2973e+06        2.2972e+06        2.2973e+06
28226.8        6.0508e+06        6.0507e+06        6.0509e+06
28228.5        5.1058e+06        5.1057e+06        5.1058e+06
28233.5        2.8462e+06        2.8461e+06        2.8462e+06
28946.1        3.0162e+06        3.0161e+06        3.0162e+06
29045.1        1.5018e+06        1.5018e+06        1.5018e+06
29139.3        4.5280e+06        4.5280e+06        4.5281e+06
29398.6        6.9469e+06        6.9468e+06        6.9470e+06
29622.5        1.2690e+06        1.2690e+06        1.2690e+06
30303.0        1.8432e+06        1.8431e+06        1.8432e+06
31149.4        1.0890e+06        1.0890e+06        1.0891e+06
32024.0        2.0661e+06        2.0660e+06        2.0661e+06

2016-11-08

% Freq        Q                 Q (C.I. 95%)      Q (C.I. 95%)
1112.6        6.0778e+06        6.0522e+06        6.1037e+06
2551.8        4.2832e+06        4.2750e+06        4.2915e+06
4405.0        3.7124e+06        3.6470e+06        3.7801e+06
4443.7        3.4543e+06        3.4532e+06        3.4554e+06
4511.3        2.3471e+05        2.3442e+05        2.3500e+05
6778.3        2.7676e+06        2.7667e+06        2.7685e+06
6790.5        9.3077e+06        9.2532e+06        9.3628e+06
6818.0        1.5965e+06        1.5964e+06        1.5966e+06
6856.4        1.5612e+06        1.5607e+06        1.5617e+06
6895.0        1.5618e+06        1.5617e+06        1.5619e+06
6918.3        5.5271e+04        5.5267e+04        5.5275e+04
9546.1        2.4813e+06        2.4792e+06        2.4834e+06
10236.1        1.4156e+06        1.4156e+06        1.4157e+06
10392.6        1.9300e+06        1.9232e+06        1.9369e+06
11331.6        1.4138e+06        1.4137e+06        1.4138e+06
12738.7        1.5267e+06        1.5254e+06        1.5281e+06
12865.8        6.3722e+05        6.3719e+05        6.3724e+05
14211.9        4.4968e+06        4.4967e+06        4.4970e+06
16123.6        2.6170e+06        2.6169e+06        2.6171e+06
16136.4        7.7399e+06        7.6976e+06        7.7827e+06
16357.2        1.9119e+06        1.9077e+06        1.9161e+06
18688.5        3.1745e+06        3.1745e+06        3.1746e+06
18865.0        2.0300e+06        2.0299e+06        2.0300e+06
20348.7        1.4390e+06        1.4390e+06        1.4391e+06
21415.1        1.6406e+06        1.6405e+06        1.6406e+06
23630.5        1.5226e+06        1.5225e+06        1.5226e+06
25237.0        2.5215e+06        2.5214e+06        2.5215e+06
25543.0        8.4456e+05        8.4455e+05        8.4458e+05
27208.5        2.8485e+06        2.8484e+06        2.8485e+06
28946.0        2.7426e+06        2.7426e+06        2.7427e+06
29622.3        1.2209e+06        1.2209e+06        1.2209e+06

 

 

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