2. Measurement Process Characterization
2.3. Calibration
2.3.4. Catalog of calibration designs
2.3.4.3. Designs for electrical quantities

2.3.4.3.9.

Design for 3 references and 1 test resistor

Design 1,1,1,1

 OBSERVATIONS   1   1   1   1

     Y(1)       +   -
     Y(2)       +       -
     Y(3)       +           -
     Y(4)       -           +
     Y(5)       -       +
     Y(6)       -   +

 RESTRAINT      +   +   +

 DEGREES OF FREEDOM = 3

                      SOLUTION MATRIX
                        DIVISOR = 6

OBSERVATIONS       1      1      1      1

    Y(1)           1     -2      1      1
    Y(2)           1      1     -2      1
    Y(3)           0      0      0     -3
    Y(4)           0      0      0      3
    Y(5)          -1     -1      2     -1
    Y(6)          -1      2     -1     -1
    R              2      2      2      2

    R = AVERAGE VALUE OF 3 REFERENCE RESISTORS

 FACTORS FOR COMPUTING STANDARD DEVIATIONS
 OHM FACTORS     RESISTORS
               1   1   1   1
  1  0.3333    +
  1  0.5270        +
  1  0.5270            +
  1  0.7817                +

Explanation of notation and interpretation of tables