GW Instek PSW 160-21.6 Programmable Multi-Range Switching DC Power Supplies, 0-160 Volts, 0-21.6 Amps, 1080 Watts

GW Instek PSS-2005GP Single Output Programmable DC Power Supply, GPIB, 0-20 Volts, 0-5 Amps, 100 Watts

GW Instek Instek GPP-4323 (LAN) - 217W Four-Channel Programmable DC Power Supply w/LAN

GW Instek GDS-1152A-U 5.7" LCD Color Display Digital Storage Oscilloscope with USB Port, 150MHz Bandwidth, 2-Channel, 2.3ns Rise Time