Prepared By: Tim Wojo
Revision - Date: 0 – 03232009
40-6537 Service Manual
3.1.2. Characterize the type of error
Use the following rules to determine what to of accuracy error the instrument for test has, and reference the stated
section to adjust for it. Note that the unit my have a combination of different types of errors to adjust for, in which
case, multiple calibration must be performed.
A=0 & B=0
C=0 & D=0
Yes
Yes
Section 2.1.2.1
Oblique Error
A and B <> 0 but
A + B = 0
No
No
A and B <> 0 but
A = B
No
Section 2.1.2.2
Taper Error
Yes
Yes
No
C and D <> 0 but
C + D = 0
C and D <> 0 but
C = D
No
No
Yes
Yes
Yes
Yes
Accuracy is beyond
published specification
A and B <> 0 and
A + B <> 0
Section 2.1.2.1
Oblique Error
Section 2.1.2.2
Taper Error
C and D <> 0 and
C + D <> 0
Accuracy meets published
specification
1
No
No
1
Section 2.1.2.3
Wave Error
A = B <>C=D
No
Yes
