Keithley 2182, Service Manual, Page: 100 / 120

Table B-2
Default calibration constants and tolerances
Cal constant
name Default cal
constant
Cal
constant
tolerance
Typical
constants
Description
usr_10vfs
usr_m10vfs
usr_100vfs
aper_corr_1plc
aper_corr_5plc
c10mvz
c1vz
c10vz
c100vz
c10vratz_ch2hi
c10vratz
c10vratz_LOW_Q
c10vfs
cm10vfs
cFE_B_0_DIV100
c100vfs
cm100vfs
cFE_B_7_DIV100
cFE_B_7_1
cFE_B_0_1_100V
cFE_B_1_1
cFE_B_1_10
cFE_B_0_10
cFE_B_P1_10
cFE_B_P1_100
cFE_B_0_100
ACalTemp
caoutvz
caoutv32000
caoutvm32000
+10e+0
-10e+0
+100e+0
+1.44e-1
+1.44e-1
-6e-6
-6e-6
-4e-7
-6e-6
-6.00e-6
-4e-6
-4e-6
+1.4231e+0
-1.44e+0
-6.00e-6
-6.00e-6
-1.44e-1
+1.00e-2
+1.00e+0
-6.00e-6
+1.44e-1
+1.44e+0
+1.44e-1
+1.44e-1
+1.44e+0
+1.44e-1
30.0
0.00025
-1.667e-1
1.667e-1
10%
10%
10%
1.44e-2
1.44e-2
2e-2
8e-5
1e-4
8e-5
6.00e-5
8e-5
8e-5
1.44e-1
1.44e-1
6.00e-5
1.00e-3
1.44e-2
1.00e-3
1.00e-1
6.00e-5
1.44e-2
8.64e-1
1.44e-2
8.64e-2
2.88e-1
1.44e-2
±30
0.025
3.2e-2
3.2e-2
1.001
-1.001
1.002
1.4449467E-01
1.4449382E-01
5.3548538E-06
8.5682575E-08
-2.9889257E-07
-2.6752717E-07
3.4445513E-08
6.9316616E-07
-3.5030445E-07
1.400
-1.400
-2.3740633E-07
-4.7622696E-04
-1.4400000E-01
9.9931261E-03
9.9988576E-01
-6.0000000E-06
1.4449498E-01
1.400
1.4294286E-01
1.5625974E-01
1.500
1.4294303E-01
3.201
2.8907327E-04
-1.7226908E-01
+10V value entered by user.
-10V value entered by user.
+100V value entered by user (not used).
Gain-aperture correction, 1PLC.
Gain-aperture correction, 5PLC.
Zero, 10mV range.
Zero, +1V.
Zero, +10V.
Zero, +100V.
Zero, +10V, channel 2 high.
Zero, +10V, channel 2 low.
Zero, +10V, channel 2 low-pumpout mode.
Full scale, +10V.
Full scale, -10V.
Background zero x1/100 gain.
Check for voltage applied at start of full ACAL.
Full scale, -100V (not used; no 100V cal step).
ACAL 7V reference, x1/100 gain. For 100V range.
ACAL 7V reference, x1 gain. For 100V range.
ACAL, 100V divider gain. Not used.
ACAL 1V reference, x1 gain. For 10mV range.
ACAL 1V reference, x10 gain. For 10mV range.
c1V_Icorr_off @ 1PLC
ACAL 0.1V reference, x10 gain. For 10mV range.
ACAL 0.1V reference, x100 gain. For 10mV range.
c1v_Icorr_on @ 1PLC
Temperature (in °C) of unit during ACAL.
Analog output, DAC at 0.
Analog output, DAC at +32000.
Analog output, DAC at -32000.
Calibration Reference B-5