B-1
Appendix B
Calibration Constant Information
The constants in these tables are arranged by group. Each group is stored as a
block in nonvolatile memory. The value given for each constant in this list is the
default assigned before the instrument is first calibrated. Defaults are reinstated if
you perform a format of the EEPROM ALL or CAL areas.
Group ZC_BASIC
Name Default Function
DAC_Z1 398.0 DAC offset, coarse counts.
DAC_Z2 17500.0 DAC offset, fine counts.
DAC_RATIO 16500.0 DAC coarse/fine count ratio
AD_DIV_Z 0.0 A/D divided (1/6) range offset, in counts
AD_DIV_G 1.397E-8 A/D divided (1/6) range gain, V/count
AD_X1_Z 0.0 A/D x1 range offset, in counts
AD_X1_G 2.328E-9 A/D x1 range gain, V/count
AD_X10_Z 0.0 A/D x10 range offset, in counts
AD_X10_G -2.328E-10 A/D x10 range gain, V/count
AD_SDL_Z 0.0 A/D SDL range offset, in counts
AD_SDL_G 2.328E-9 A/D SDL range gain, V/count
NULLDAC_Z 0.0 Null DAC offset, in volts
NULLDAC_G 6560.0 Null DAC gain, counts/V
SENSOR_C1 1.0 Sensor linearization
SENSOR_C2 0.0 Sensor linearization
OF_VSQ 0.0 V squared turnover coefficient
REF_CHECK 25.0E-6 A/D - DAC reference difference
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