Fluke 5790A Service Manual page 339

Calibration Constant Information
The constants in these tables are arranged by group. Eh group is stored as a block in
nonvolatile memory. The value given for eh constant in this list is the default assigned
value before the instrument is first calibrated. Defaults are reinstated if you perform a
format of the EEPROM ALL or CAL areas.
Refer to Chapter 2 of the 5790A Service Manual for calibration constant
theory of operation.
Table C-1. Group ZC_BASIC: Internally Calibrated DAC, Sensor, and A/D Parameters
Name
DAC_Z1
DAC_Z2
DAC_RATIO
AD_X1_Z
AD_X1_G
AD_X10_Z
AD_X10_G
NULLDAC_Z
NULLDAC_G
SENSOR_C1
SENSOR_C2
OF_VSQ
Note
Default
398.0 Reference DAC zero, coarse channel
17500.0 Reference DAC zero, fine channel
16500.0 Reference DAC coarse/fine gain ratio
0.0 A/D x1 range zero
7.23E-6 A/D x1 range gain
0.0 A/D x100 range zero
7.23E-8 A/D x100 range gain
0.0 Null DAC zero
6560.0 Null DAC gain
1.0 Main thermal sensor linearization
0.0 Main thermal sensor linearization
0.0 Main thermal sensor turnover connection
Appendix C
Function
C-1