I have completed the final calibration for the second revision. The data is as follows:

Voltage:
Meter, Fluke 101
-60.28, -60.4
-54.70, -54.81
-49.86, -49.90
-44.88, -44.97
-39.86, -39.93
-34.93, -35.00
-29.89, -29.94
-24.90, -24.94
-19.92, -19.95
-14.94, -14.96
-9.956, -9.97
-4.972, -4.978
-0.987, -0.989
0.001, 0.000
0.989, 0.989 
4.975, 4.984
9.960, 9.97
14.94, 14.97
19.92, 19.96
24.90, 24.95
29.89, 29.95
34.81, 34.87
40.00, 40.08
44.80, 44.88
49.90, 50.03
54.97, 55.11
61.04, 61.1

Resistance:
Meter, Range, Fluke 101
29.57, 1, 31.7, 
98.33, 1, 103.3
332.3, 1, 332.8
1081, 1, 1044
10730, 2, 10520 
21930, 2, 21410 
100500, 2, 97300
339800, 2, 315200
530000, 2, 484000

Capacitance:
Meter, Range, Fluke 101
50.88n, 2, 49.2n
96.73n, 2, 96.6n
1.006u, 2, 1.009u
10.03u, 1, 9.92u
45.57u, 1, 47.32u

This works out to 0.3% relative accuracy for voltage, 10% for resistance, and 5% for capacitance.