Box 3. Distilled water, not nulled.
Probe 1, T = 21.6C. CD = 27.2 pF. Cair = 4.1 pF.
Vref
Vdiv
Vph
C
C CD
εDW
Probe 1
(V)
(V)
(degrees)
(pF)
(pF)
DUM
0.994
0.671
35.2
26.9
--
--
A
0.989
0.084
75.5
362.8
81.5
--
B
0.984
0.085
75.1
256.1
328.9
79.8
C
0.976
0.084
74.3
356.0
328.8
79.8
D
0.989
0.084
75.4
363.0
335.8
81.5
E
0.987
0.089
75.1
341.1
313.9
76.2
F
0.990
0.084
75.1
362.5
335.3
81.4
G
0.989
0.086
75.1
353.7
326.5
79.3
H
0.986
0.084
75.2
361.2
334.0
81.1
J
0.988
0.084
75.2
362.0
334.8
81.3
K
0.988
0.081
75.3
378.5
348.3
84.6
L
0.990
0.083
75.0
366.7
339.5
82.4
M
0.984
0.169
72.6
176.8
149.7
(26.3) INS
N
0.981
0.033
74.9
363.2
336.0
81.6
O
0.987
0.085
75.6
358.0
330.8
80.3
P
0.986
0.078
75.5
398.5
362.3
88.0
R
0.987
0.082
75.5
370.9
343.7
83.4
S
0.989
0.083
75.1
366.5
339.3
92.4
T
0.990
0.085
74.6
357.4
330.2
80.2
U
0.981
0.173
72.1
171.7
144.6
(35.1) INS
V
0.985
0.083
75.5
365.7
338.5
82.2
W
0.988
0.083
75.5
366.8
339.6
82.5
X
0.990
0.084
75.1
362.5
335.3
81.4
Y
0.988
0.081
75.6
376.0
348.9
84.7
DUM
0.998
0.930
3.6
2.14
η = 21
η = 21
η = 21
x = 364.7
x = 336.5
x = 81.7
s = 9.62
s = 9.62
s = 2.35
σ = 9.39
σ = 9.40
σ = 84.7
INS = not used for these calculations
32
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