- QL355: Bench/System High Precision DC Power Supply, Linear Regulation, Digital Control 35V/3A or 15V/5A, No Interfaces
- QL355P: Bench/System High Precision DC Power Supply, Linear Regulation, Digital Control 35V/3A or 15V/5A, USB/RS232/GPIB/LAN
- QL564: Bench/System High Precision DC Power Supply, Linear Regulation, Digital Control 56V/2A or 25V/4A
- QL564P: Bench/System High Precision DC Power Supply, Linear Regulation, Digital Control 56V/2A or 25V/4A, USB/RS232/GPIB/LAN
- QL355T: Bench/System High Precision DC Power Supply, Linear Regulation, Digital Control 2 x 35V/3A or 15V/5A plus 1-6V/3A
- QL355TP: Bench/System High Precision DC Power Supply, Linear Regulation, Digital Control 2 x 35/3A or 15V/5A plus 1-6V/3A, USB/RS232/GPIB/LAN
- QL564T: Bench/System High Precision DC Power Supply, Linear Regulation, Digital Control 2 x 56V/2A or 25V/4A plus 1-6V/3A
- QL564TP: Bench/System High Precision DC Power Supply, Linear Regulation, Digital Control 2 x 56V/2A or 25V/4A plus 1-6V/3A, USB/RS232/GPIB/LAN