Variable Power Supplies are accessible in Linear and Switched Mode formats from 30W up to 32kW, and in bench most desirable or 19" rack mounting styles. Most units have analogue control of voltage and present values as standard enabling the user to set the voltage level and also the present limit remotely, and provide the option for serial communications to a host device employing IEE482, GPIB, RS232, RS485 or USB.Variable Power Supplies are at the same time known as Programmable Power Supplies, Laborato... read more »