l-l. INTRODUCTION. The Model 227 is a dc current
source with full range current from 1 milliampere to
1000 milliamperes. The Model 227 provides a compliance
up to 300 volts on lmA, lOmA, and lOOmA ranges
or up to 50 volts on 1OOOmAra nge. The output is bipolar.
Load regulation is ?0.005% of range from no
load to full load.
a. Three digit readout has least significant
digit continuously adjustable using Fine Current
Control. Typical setability is 1 degree of rotation
(which corresponds to 0.005% of full range).
b. Compliance limit is adjustable up to 300 valcs.
e. Outpur can be floated to i500 volts above case.
d. Voltage programming input is standard.
e. Model 2271 Programming option is available