Model:GPR-1850HD，GPR-3520HDA，GPR-6015HDA，GPR-7510HDA，GPR-16H20DA，GPR-25H30DA，GPR-35H20DA,GPR-50H1

Brand:固纬Gwinstek

Introduction:0.01percent Low change rate Fixed voltage and fixed current operation feature low ripple with low noise overload and polarity reverse protection feature 3 1/2 digit 0.5