GPC-1830D/1850D/3030D/3050D/3060D/6030D
V.A LED 3 1/2 Digital Display(V.A can be switched)
Triple Output D.C. Power Supply

GPC-1830E/1850E/3030E/3050E/3060E/6030E

V.A LED 3 1/2 Digital Display separately

Triple Output D.C. Power Supply

GPC-1830S/1850S/3030S/3050S/3060S/6030S
Analog Meter Display
Triple Output D.C. Power Supply

GPS-1830E/1850E/3030E/6010E/3050E/3060E

V.A LED 3 1/2 Digital Display separately

Single Output

GPS-1830D/1850D/3030D/6010D/3050D/3060D
LED 3 1/2 Digital Display(V.A can be switched)
Single Output