Center 390 Sound Level Meter, Single...
Extech 382260 3-in-1, 80W switch mode DC power supply. Three output ranges perform like 3 power supplies in one
Extech 382276 600W single Output laboratory grade DC power supply. Dual action voltage and current control - push knob for fine and coarse tuning
Extech 382270 Quad Output DC Power Supply with four power supplies built into one. Two fully adjustable supplies combined with two auxiliary outputs