Appendix    RIGOL 
DP800 Performance Verification Manual   
CC Load Regulation Rate 
Channel  CH1 (60V/1A)  CH2 (8V/10A) 
Specification  <350μA  <1.25mA 
DP821A 
Setting 
Voltage  63V  8.4V 
Current  1A  10A 
Measurement 
Result 
U
     
U
1
     
|U
1
/R
M
-U
0
/R
M
|     
 
 
CC Linear Regulation Rate 
Channel  CH1 (60V/1A)  CH2 (8V/10A) 
Specification  <350μA  <1.25mA 
DP821A 
Setting 
Voltage  63V  8.4V 
Current  1A  10A 
Measurement 
Result 
U
     
U
1
     
U
2
     
|U
-U
|/R
[2]
     
|U
2
-U
0
|/R
M
     
 
 
CC Ripple and Noise 
Channel  CH1 (60V/1A)  CH2 (8V/10A) 
Specification  <2mArms 
Resistive Load R
L
  60Ω  0.8Ω 
DP821A 
Setting 
Voltage  63V  8.4V 
Current  1A  10A 
Measurement 
Result 
RMS value (Vrms)     
Vrms/R
L