·选模式CC/CR/CP/CC+CV/CR+CV ·变化率范围：10微秒~20毫秒 ·软启动功能 ·3点预置 ·负载切换功能 ·短路操作 ·100个顺序存储 ·（OVP，OCP，OPP，OHP和RCP）保护 ·GPIB标准接口技术指标ModelPEL301-501Input Power Range0.300WInput VoltageRangeRearTerminalCC/CP/CV Mode:5-550VCRMode:0-550VFront TerminalInput Current RangeRearTerminal0.15AFrontTerminal0.15AConstantCurrentModeRange/Resolution/Max.PowerL Range0.150mA/5μA/3WH Range0.15A/2mA/300WConstant Resistance ModeRange/ResolutionL RangeOPEN1M-33.33Ω/1μsH RangeOPEN10k-0.3333Ω/100μsConstant VoltageModeRange/Resolution50VRange:5-50V/1mV500V Range:40-550V/10mVConstantPower ModeRange/ResolutionLRange0.06-3W/100μWHRange3.300W/10mWShortModeSetting Current Value0.15/15ASW Mode(A-B)Frequency/Accuracy1Hz-10kHz/±1.5%of setThrough RateTr/Tf(1%-)Operating ModeCCCRSetting RangeCC:10/50/100/500/1000/2000μsCR:OFF/200/500/1000/2000μsSoft StartOperatingModeCCSettingRange/Accuracy0.1125102050100ms/±30% of set+100μsPower Source/FrequencyAC100-120VAC200-240V±10%(250Vmax)50/60HzDimensions(Maximum Dimensions)210(210)*124(141)*405(538)mmWeightApprox.7kg