calibration
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time,tempReservoir,ECadcCalib,ECadc_A,ECadcAdjusted_A,ECadc_B,ECadcAdjusted_B,solutionAdded
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4198570,24.05,6021.19,736.05,735.52,736.82,736.30,0.0
|
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4296735,24.28,6021.19,741.08,740.55,743.13,742.60,0.1
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4347858,24.37,6022.41,756.32,755.63,761.81,761.11,0.2
|
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4393976,24.44,6022.34,769.87,769.17,779.88,779.17,0.3
|
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4441095,24.51,6021.16,787.24,786.68,804.25,803.68,0.4
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4481207,24.56,6021.78,807.27,806.62,836.09,835.41,0.5
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4525323,24.62,6020.94,832.99,832.43,890.25,889.65,0.6
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4567437,24.65,6021.25,867.22,866.59,980.75,980.04,0.7
|
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4615552,24.69,6021.44,928.14,927.44,1076.18,1075.36,0.8
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4654663,24.69,6022.38,1015.45,1014.52,1176.16,1175.09,0.9
|
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4729805,24.75,6022.47,1108.50,1107.47,1280.05,1278.87,1.0
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4768916,24.75,6022.19,1180.36,1179.32,1358.77,1357.58,1.1
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4800019,24.75,6022.63,1245.61,1244.42,1431.78,1430.41,1.2
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4832123,24.75,6022.34,1314.57,1313.38,1507.76,1506.39,1.3
|
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4865228,24.78,6022.13,1380.22,1379.02,1577.54,1576.17,1.4
|
||||
4899334,24.79,6022.41,1437.05,1435.73,1639.54,1638.03,1.5
|
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4938445,24.81,6022.66,1488.52,1487.10,1695.89,1694.27,1.6
|
||||
4984563,24.79,6022.13,1539.55,1538.21,1750.91,1749.39,1.7
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||||
5024670,24.80,6021.88,1585.69,1584.37,1802.22,1800.73,1.8
|
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5065778,24.79,6022.00,1615.91,1614.54,1839.94,1838.38,1.9
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5098883,24.76,6022.16,1642.89,1641.46,1867.62,1865.98,2.0
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5204060,24.75,6022.28,1759.43,1757.86,1994.89,1993.10,2.5
|
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5243166,24.75,6021.84,1892.17,1890.61,2136.23,2134.47,3.0
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5283273,24.75,6021.16,2019.71,2018.27,2272.46,2270.84,3.5
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5331393,24.69,6022.75,2117.66,2115.60,2378.03,2375.71,4.0
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5378115,24.69,6023.34,2240.07,2237.67,2507.23,2504.54,4.5
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5420229,24.69,6022.56,2347.43,2345.22,2621.71,2619.24,5.0
|
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5482363,24.69,6022.81,2451.96,2449.55,2730.02,2727.33,5.5
|
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5537490,24.63,6021.94,2581.04,2578.87,2865.74,2863.33,6.1
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5683703,24.62,6021.72,2754.81,2752.59,3045.83,3043.38,7.0
|
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5731823,24.62,6023.03,2963.67,2960.64,3264.57,3261.24,8.0
|
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5819983,24.75,6021.56,3148.24,3145.79,3461.06,3458.37,9.0
|
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5860095,24.81,6021.47,3340.23,3337.69,3656.93,3654.15,10.0
|
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5907214,24.81,6022.00,3531.55,3528.54,3854.92,3851.64,11
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5938317,24.81,6021.56,3706.43,3703.55,4031.33,4028.19,12
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5968419,24.82,6021.97,3872.51,3869.24,4199.72,4196.17,13
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6068591,24.87,6021.47,4027.79,4024.72,4352.64,4349.32,14
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6113708,24.87,6021.94,4156.05,4152.56,4540.04,4536.23,15
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6151818,24.87,6021.00,4305.14,4302.19,4698.46,4695.25,16
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6227961,24.92,6021.72,4451.08,4447.51,4835.06,4831.18,17
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6282087,24.94,6021.19,4579.90,4576.63,4965.65,4962.10,18
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6332209,24.94,6022.09,4716.77,4712.69,5108.17,5103.75,19
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6380324,24.94,6021.75,4856.32,4852.39,5241.48,5237.24,20
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6465481,24.87,6021.75,5461.44,5457.02,5854.96,5850.23,25
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6528616,24.81,6021.94,5972.65,5967.63,6362.16,6356.81,30
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6654814,24.73,6021.22,6429.49,6424.86,6808.07,6803.16,35
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6743975,24.69,6020.84,6836.34,6831.84,7210.02,7205.27,40
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6837140,24.61,6021.56,7199.32,7193.73,7570.69,7564.80,45
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6886256,24.67,6022.13,7523.59,7517.03,7883.69,7876.82,50
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6952394,24.73,6021.84,8102.05,8095.37,8436.61,8429.66,60
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6999513,24.70,6021.25,8563.79,8557.57,8887.04,8880.58,70
|
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7051637,24.71,6022.16,8969.54,8961.68,9269.24,9261.12,80
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7098756,24.78,6022.19,9320.85,9312.63,9606.04,9597.58,90
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7138863,24.82,6021.66,9614.32,9606.70,9888.67,9880.82,100
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7270066,24.91,6021.84,10148.45,10140.08,10395.20,10386.63,120
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7328196,24.80,6021.75,10538.89,10530.37,10766.18,10757.47,140
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7392327,24.69,6020.97,10848.27,10840.90,11058.58,11051.07,160
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7449451,24.56,6023.06,11121.81,11110.40,11312.32,11300.70,180
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7505579,24.44,6021.81,11314.32,11305.06,11513.90,11504.47,200
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@ -0,0 +1,118 @@
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4198570,24.05,6021.19,736.05,735.52,736.82,736.30
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|
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4296735,24.28,6021.19,741.08,740.55,743.13,742.60
|
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|
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4347858,24.37,6022.41,756.32,755.63,761.81,761.11
|
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|
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4393976,24.44,6022.34,769.87,769.17,779.88,779.17
|
||||
|
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4441095,24.51,6021.16,787.24,786.68,804.25,803.68
|
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|
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4481207,24.56,6021.78,807.27,806.62,836.09,835.41
|
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4525323,24.62,6020.94,832.99,832.43,890.25,889.65
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4567437,24.65,6021.25,867.22,866.59,980.75,980.04
|
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4615552,24.69,6021.44,928.14,927.44,1076.18,1075.36
|
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|
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4654663,24.69,6022.38,1015.45,1014.52,1176.16,1175.09
|
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|
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4729805,24.75,6022.47,1108.50,1107.47,1280.05,1278.87
|
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|
||||
4768916,24.75,6022.19,1180.36,1179.32,1358.77,1357.58
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|
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4800019,24.75,6022.63,1245.61,1244.42,1431.78,1430.41
|
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|
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4832123,24.75,6022.34,1314.57,1313.38,1507.76,1506.39
|
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4865228,24.78,6022.13,1380.22,1379.02,1577.54,1576.17
|
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|
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4899334,24.79,6022.41,1437.05,1435.73,1639.54,1638.03
|
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|
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4938445,24.81,6022.66,1488.52,1487.10,1695.89,1694.27
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4984563,24.79,6022.13,1539.55,1538.21,1750.91,1749.39
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|
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5024670,24.80,6021.88,1585.69,1584.37,1802.22,1800.73
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5065778,24.79,6022.00,1615.91,1614.54,1839.94,1838.38
|
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|
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5098883,24.76,6022.16,1642.89,1641.46,1867.62,1865.98
|
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|
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5204060,24.75,6022.28,1759.43,1757.86,1994.89,1993.10
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|
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5243166,24.75,6021.84,1892.17,1890.61,2136.23,2134.47
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5283273,24.75,6021.16,2019.71,2018.27,2272.46,2270.84
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|
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5331393,24.69,6022.75,2117.66,2115.60,2378.03,2375.71
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|
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5378115,24.69,6023.34,2240.07,2237.67,2507.23,2504.54
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|
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5420229,24.69,6022.56,2347.43,2345.22,2621.71,2619.24
|
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|
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5482363,24.69,6022.81,2451.96,2449.55,2730.02,2727.33
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|
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5537490,24.63,6021.94,2581.04,2578.87,2865.74,2863.33
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|
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5683703,24.62,6021.72,2754.81,2752.59,3045.83,3043.38
|
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|
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5731823,24.62,6023.03,2963.67,2960.64,3264.57,3261.24
|
||||
|
||||
5819983,24.75,6021.56,3148.24,3145.79,3461.06,3458.37
|
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|
||||
5860095,24.81,6021.47,3340.23,3337.69,3656.93,3654.15
|
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|
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5907214,24.81,6022.00,3531.55,3528.54,3854.92,3851.64
|
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|
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5938317,24.81,6021.56,3706.43,3703.55,4031.33,4028.19
|
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|
||||
5968419,24.82,6021.97,3872.51,3869.24,4199.72,4196.17
|
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|
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6068591,24.87,6021.47,4027.79,4024.72,4352.64,4349.32
|
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|
||||
6113708,24.87,6021.94,4156.05,4152.56,4540.04,4536.23
|
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|
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6151818,24.87,6021.00,4305.14,4302.19,4698.46,4695.25
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|
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6227961,24.92,6021.72,4451.08,4447.51,4835.06,4831.18
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|
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6282087,24.94,6021.19,4579.90,4576.63,4965.65,4962.10
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|
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6332209,24.94,6022.09,4716.77,4712.69,5108.17,5103.75
|
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|
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6380324,24.94,6021.75,4856.32,4852.39,5241.48,5237.24
|
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|
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6465481,24.87,6021.75,5461.44,5457.02,5854.96,5850.23
|
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|
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6528616,24.81,6021.94,5972.65,5967.63,6362.16,6356.81
|
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|
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6654814,24.73,6021.22,6429.49,6424.86,6808.07,6803.16
|
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|
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6743975,24.69,6020.84,6836.34,6831.84,7210.02,7205.27
|
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|
||||
6837140,24.61,6021.56,7199.32,7193.73,7570.69,7564.80
|
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|
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6886256,24.67,6022.13,7523.59,7517.03,7883.69,7876.82
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|
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6952394,24.73,6021.84,8102.05,8095.37,8436.61,8429.66
|
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6999513,24.70,6021.25,8563.79,8557.57,8887.04,8880.58
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7051637,24.71,6022.16,8969.54,8961.68,9269.24,9261.12
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7098756,24.78,6022.19,9320.85,9312.63,9606.04,9597.58
|
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|
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7138863,24.82,6021.66,9614.32,9606.70,9888.67,9880.82
|
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|
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7270066,24.91,6021.84,10148.45,10140.08,10395.20,10386.63
|
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|
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7328196,24.80,6021.75,10538.89,10530.37,10766.18,10757.47
|
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|
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7392327,24.69,6020.97,10848.27,10840.90,11058.58,11051.07
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|
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7449451,24.56,6023.06,11121.81,11110.40,11312.32,11300.70
|
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7505579,24.44,6021.81,11314.32,11305.06,11513.90,11504.47
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@ -0,0 +1,157 @@
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Kalibrierung der zwei neuen EC Probes für NFT und Dutch Bucket 2024.
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Probe A: Die Längere
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Probe B: Die etwas kürzere
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Lösung laut https://www.researchgate.net/profile/Sameer-Sayyad-2/post/How-is-it-possible-to-convert-conductivity-of-NaCl-solution-in-uS-to-its-salinity-NaCl-concentration-in-ppm/attachment/5abdeaedb53d2f63c3c2e08c/AS%3A609786693443585%401522395885345/download/conductivity+vs+concentration+NaCl+25+degress.pdf
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3g NaCl auf 1L H2O sind 5690 uS/cm @ 25°C
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Also 7,5g auf 0,25L H2O
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Dann 50mL davon mit 450mL H2O auf 1L auffüllen.
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Einige Messwerte genommen, ohne dass die EC Sensoren in Flüssigkeit sind.
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time,tempReservoir,ECadcCalib,ECadc_A,ECadcAdjusted_A,ECadc_B,ECadcAdjusted_B
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1524060,14.73,6021.09,729.21,728.70,729.16,728.65
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1555158,14.69,6021.75,729.20,728.61,729.05,728.46
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1577247,14.63,6021.88,728.94,728.33,728.96,728.35
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1620362,14.56,6021.88,728.95,728.34,728.87,728.27
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minimum adc rawA= 728.87
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ca. 300mL dest. Wasser in 500mL Becherglas auf Magnetrührer
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Wasser temperiert auf 25°C und durchgehend temperatur gehalten
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Temperatursensor und DIY EC-Probe in Flüssigkeit platziert
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Magnetrührer auf langsamer Stufe (keine Strudelbildung)
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Messwert per Tastendruck erfasst (time,tempReservoir,ECadcCalib,ECadc,ECadcAdjusted)
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zeit
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temperatur d. flüssigkeit
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referenz adc wert (geschalteter fester widerstand statt probe)
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Roher ADC Messwert (Probe A)
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angepasster ADC Messwert (linear gemappt nach abweichung vom referenz adc wert, referenz adc wert vorher ermittelt und eingegeben in code) (Probe A)
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Roher ADC Messwert (Probe B)
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angepasster ADC Messwert (Probe B)
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manuell notiert und später der csv angefügt: "solutionAdded"
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Erster Messwert nur dest. Wasser.
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Weitere Messwerte jew. nach hinzufügen erst wenigen tropfen NaCl Lösung. Später mehr bis zu 10mL pro Messung.
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time,mL added
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4198000,0
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4296000,0.1
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4347000,0.2
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4393000,0.3
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4441000,0.4
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4481000,0.5
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4525000,0.6
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4567000,0.7
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4615000,0.8
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4654000,0.9
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4729000,1.0
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4768000,1.1
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4800000,1.2
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4832000,1.3
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4865000,1.4
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4899000,1.5
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4938000,1.6
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4984000,1.7
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5024000,1.8
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5065000,1.9
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5098000,2.0
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5204000,2.5
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5243000,3.0
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5283000,3.5
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5331000,4.0
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5378000,4.5
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5420000,5.0
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5482000,5.5
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5537000,6.1
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5683000,7.0
|
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5731000,8.0
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5819000,9.0
|
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5860000,10.0
|
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5907000,11
|
||||
5938000,12
|
||||
5968000,13
|
||||
6068000,14
|
||||
6113000,15
|
||||
6151000,16
|
||||
6227000,17
|
||||
6282000,18
|
||||
6332000,19
|
||||
6380000,20
|
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6465000,25
|
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6528000,30
|
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6654000,35
|
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6743000,40
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6837000,45
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6886000,50
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6952000,60
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6999000,70
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7051000,80
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7098000,90
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7138000,100
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7270000,120
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7328000,140
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7392000,160
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7449000,180
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7505000,200
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Werte in 20240423_EC_Calibration_Raw.txt
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Zusammengeführt in 20240423_EC_Calibration.csv
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Auswertung in 20240423_EC_Calibration_with_graph.ods
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Polynom x. Grades erstellt mit python approximate.py
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für approximate.py numpy==1.22 notwendig. venv benutzen.
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Probe A:
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model order=4
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+5.388914121653647e-13*x^4 -8.847448650204697e-09*x^3 +7.44612274805891e-05*x^2 -0.057529180570340156*x^1 +18.953002079376887*x^0
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Excel:
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5.388914121653647e-13
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-8.847448650204697e-09
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7.44612274805891e-05
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-0.057529180570340156
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18.953002079376887
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Array:
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{18.953002079376887,-0.057529180570340156,7.44612274805891e-05,-8.847448650204697e-09,5.388914121653647e-13}
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Probe B:
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model order=4
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+5.529701600660142e-13*x^4 -9.161423581523883e-09*x^3 +7.671298605466989e-05*x^2 -0.08846039894456156*x^1 +40.838922264426685*x^0
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Excel:
|
||||
5.529701600660142e-13
|
||||
-9.161423581523883e-09
|
||||
7.671298605466989e-05
|
||||
-0.08846039894456156
|
||||
40.838922264426685
|
||||
Array:
|
||||
{40.838922264426685,-0.08846039894456156,7.671298605466989e-05,-9.161423581523883e-09,5.529701600660142e-13}
|
||||
|
||||
|
||||
|
||||
polynom in c++ code übernommen und punktuelle ergebnisse aus adc zu ec funktion ausgegeben und geplottet zur kontrolle, ob rechnung funktioniert.
|
||||
bei lowADC den niedrigsten adc wert genommen in luft (siehe erste messungen).
|
||||
|
||||
float ec_calibration_polynom_A[]={18.953002079376887,-0.057529180570340156,7.44612274805891e-05,-8.847448650204697e-09,5.388914121653647e-13}; //20240423, graphite electrodes
|
||||
float ec_calibration_linearize_below_adc_A=2000; //use linear approximation below this adc value. 0=disable
|
||||
float ec_calibration_linear_lowADC_A=728; //x0
|
||||
float ec_calibration_linear_lowEC_A=0; //y0
|
||||
|
||||
|
||||
float ec_calibration_polynom_B[]={40.838922264426685,-0.08846039894456156,7.671298605466989e-05,-9.161423581523883e-09,5.529701600660142e-13}; //20240423, graphite electrodes
|
||||
float ec_calibration_linearize_below_adc_B=2000; //use linear approximation below this adc value. 0=disable
|
||||
float ec_calibration_linear_lowADC_B=728; //x0
|
||||
float ec_calibration_linear_lowEC_B=0; //y0
|
||||
|
||||
|
||||
|
||||
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Reference in New Issue