Keithley 2280 Series Reference Manual

Series 2280 Precision DC Power Supply Reference Manual Appendix C: Calibration and adjustment
077085503 / March 2019 C-25
Calibration constants
You can use the following command to read all the calibration constants in order of their index
number:
:CALibration:PROTected:DATA?
For Model 2280S-60-3, the default calibration constants are listed in the following table.
Index
number
Default
constant
value
Default
constant
tolerance
Calibration
steps
Error code
1
0.05 Ω
0.2 Ω
Step 5
Step 7
123, Step5 10A shunt value out of range;
128, Step7 10A shunt value out of range
2
5.05 Ω
10.1 Ω
Step 3
Step 4
116, Step3 100mA shunt value out of range;
120, Step4 100mA shunt value out of range
3
0.1
0.02
Step 1
110, Step1 Kmath error
4
0.6 V
0.55 V
Step 1
111, Step1 V-DAC zero DMM reading out of
range
5
1.294e
-2
2.589e
-2
Step 1
112, Step1 V-ADC zero collected data error
6
56.25 V
2 V
Step 2
113, Step2 V-DAC full scale DMM reading out
of range
7
1.294
0.1294
Step 2
114, Step2 V-ADC full scale collected data
error
8
1.500e
-3
V
6.000e
-3
V
Step 5
122, Step5 I-ADC 10A zero DMM reading out of
range
9
4.285e
-3
8.571e
-3
Step 5
124, Step5 I-ADC 10A zero collected data
error
10
4.285e
-2
8.571e
-2
Step 5
125, Step5 I-ADC 1A zero collected data
error
11
1.600e
-1
V
6.400e
-1
V
Step 7
127, Step7 I-ADC 10A full scale DMM reading
out of range
12
4.571e
-1
4.571e
-2
Step 7
129, Step7 I-ADC 10A full scale collected
data error
13
8.571e
-3
1.714e
-2
Step 6
126, Step6 I-DAC zero collected data error
14
8.214e
-1
8.214e
-2
Step 8
130, Step8 I-DAC full scale collected data
error
15
5.050e
-3
V
1.010e
-2
V
Step 3
115, Step3 I-ADC 100mA zero DMM reading out
of range
16
1.428e
-2
2.857e
-2
Step 3
117, Step3 I-ADC 100mA zero collected data
error
17
1.428e
-1
2.857e
-1
Step 3
118, Step3 I-ADC 10mA zero collected data
error
18
0.505 V
1.01 V
Step 4
119, Step4 I-ADC 100mA full scale DMM
reading out of range
19
1.428
1.428e
-1
Step 4
121, Step4 I-ADC 100mA full scale collected
data error

Keithley 2280 Series Specifications

General

Brand	Keithley
Model	2280 Series
Category	Power Supply
Language	English