Sorensen SGI Series  Overview  
M550221-01 Rev U  1-5 
Output Voltage Fall Time 
(with rated load, resistive) 
10 ms, maximum, from 90-10% of programming change from 
rated output voltage to zero for 10V-30V models; 
contact factory for values of specific models 
Output Voltage Fall Time 
(with no load) 
50 ms, maximum, from 90-10% of programming change from 
rated output voltage to zero for 10V-30V models; 
1.5 s, typical, from 100% to 10% of programming change from 
rated output voltage to zero for 40V-1000V models; 
contact factory for values of specific models 
  Voltage Accuracy 
(to actual output) 
±(0.15% of rated output voltage + 0.1% of actual output + 1 digit) 
for 10V-30V models;    
±(0.1%, maximum, of rated output voltage + 1 digit) for 
40V-1000V models 
  Current Accuracy 
(to actual output) 
±(0.4%, maximum, of rated output voltage + 1 digit)  
±(0.1% of rated output voltage + 0.1% of actual output voltage) 
for 10V-30V models; 
±0.1%, maximum, of rated output voltage for 40V-1000V models 
±(0.4% of rated output current + 0.1% of actual output current) 
for 10V-30V models; 
±0.4%, maximum, of rated output current for 40V-1000V models 
Overvoltage Protection (OVP) 
±1%, maximum, of rated output voltage 
Voltage accuracy/regulation specifications apply at the point 
where the remote sense leads are connected. 
1 V, maximum per line for 10V-20V models; 
1.5 V, maximum per line for 30V model; 
5%, maximum of rated output voltage per line for models, 40V to 
less than 160V; 
2%, maximum of rated output voltage per line for models greater 
than or equal to 160V; 
higher levels of line drop is allowed, but output voltage 
regulation specifications no longer apply. 
Line Drop Effect on Output 
Voltage 
Rated output voltage applies at the rear panel output terminals, 
and line drop voltage subtracts from the voltage available at the 
load terminals 
±0.25%, maximum, of rated output voltage for 0-5 VDC range, 
and ±0.5%, maximum, for 0-10 VDC range 
±1.0%, maximum, of rated output current for 0-5 VDC range, 
and ±1.2%, maximum, for 0-10 VDC range for 10V-30V models;