台湾Chroma 63103A 可编程直流电子负载
2020-04-16 17:46 点击:1614
价格:未填
品牌:1304
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台湾Chroma 63103A 可编程直流电子负载
台湾Chroma 6310A系列直流电子负载之63103A 80V,60A,300W
台湾Chroma 63103A 可编程直流电子负载 主要特色:
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独特的LED模式,可供LED driver测试
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可编程的LED操作点阻抗(Rd)
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可编程的内部阻抗(Rr),可应用于模拟LED的涟波电流
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快速响应,可供PWM调光测试
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一机框多可达8个通道
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二段式16位高电压/电流量测线路
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保护功能:过电压、过电流、过功率、过温度保护
LED driver为电流源,因此有一可输出的电压范围及一固定的输出电流。在LED driver的测试上,一般常使用的方式有下列几种:
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由LED的V-I特性曲线中,可知LED有一顺向偏压VF及一导通电阻(Rd)。当以真实电阻为负载,其V-I特型是一直线,并无法模拟LED的特性。尤其当LED driver开机电压上升时,电流波形不同,可能会无法开机。而传统电子负载的CR及CV模式,都是以稳态时的LED操作点为设定值,对开关机或PWM调光动态的特性,无法模拟,也可能导致LED driver产生不正常的动作或保护。而若以LED来当负载,虽能完全测试LED driver。但却有LED老化问题,及LED driver不同的输出电压测试上,需串联不同颗数的LED,如此将会造成测试上与生产上的不便。
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致茂6310A series电子负载中的63110A新创了一个新的操作模式—LED模式,来模拟LED。使用者仅需透过设定LED driver的输出电压、电流,即可模拟LED的拉载特性。还可设定LED的操作点阻抗及高频阻抗,让拉载电流及高频连波与更趋近于真实LED。对于PWM调光(Dimming)测试,63110A的全新设计中,亦增加了频宽,让使用者亦可透过电子负载完成动态调光测试。
图2是以LED为负载所拉载的电流波形(蓝色);图3为63110ALED 模式的拉载电流波形(蓝色) ;由图2与图3可观察到两者于LED driver于开机时的拉载电压电流波形非常相似。图4为测LED为负载在调光(Dimming)时的电流波形。图5为63110A为负载在调光(Dimming)时的电流波形。
LED driver的输出涟波电流可以透过调整63110A内部电阻 (Rr) 来模拟。传统电子负载无法模拟LED driver的输出涟波电流,如图6所示。图7为LED当负载时的涟波电流。图8为63110A当负载时的涟波电流。
图9是以真实电阻为负载的拉载电流波形(蓝色);图10为定电阻模式模拟真实电阻的拉载电流波形(蓝色);图9与图10的电流与LED为负载的电流波形有相当大差异,且电流及电压都有过冲的情况发生,易导致LED driver在开机时发生过电压或过电流保护,如图11所示。因此不管是真实电阻或是电子负载的定电阻模式,都比较无法模拟真实的情况。
台湾Chroma 63103A 可编程直流电子负载 主要技术参数
Model
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63101A
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63102A (100Wx2)
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63103A
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Power
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20W
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200W
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20W
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100W
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30W
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300W
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Current
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0~4A
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0~40A
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0~2A
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0~20A
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0~6A
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0~60A
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Voltage *3
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0~80V
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0~80V
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0~80V
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Typical Min. Operation Voltage
(DC)*1
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0.4V@2A
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0.4V@20A
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0.4V@1A
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0.4V@10A
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0.4V@3A
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0.4V@30A
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0.8V@4A
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0.8V@40A
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0.8V@2A
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0.8V@20A
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0.8V@6A
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0.8V@60A
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Constant Current Mode
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Range
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0~4A
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0~40A
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0~2A
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0~20A
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0~6A
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0~60A
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Resolution
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1mA
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10mA
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0.5mA
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5mA
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1.5mA
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15mA
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Accuracy
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0.1%+0.1%F.S.
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0.1%+0.2%F.S.
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0.1%+0.1%F.S.
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0.1%+0.2%F.S.
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0.1%+0.1%F.S.
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0.1%+0.2%F.S.
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Constant Resistance Mode
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Range
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0.0375Ω~150Ω (200W/16V)
1.875Ω~7.5kΩ (200W/80V)
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0.075Ω~300Ω (100W/16V)
3.75Ω~15kΩ (100W/80V)
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0.025Ω~100Ω (300W/16V)
1.25Ω~5kΩ (300W/80V)
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Resolution*5
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6.667mS (200W/16V)
133μS (200W/80V)
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3.333mS (100W/16V)
66.667μS (100W/80V)
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10mS (300W/16V)
200μS (300W/80V)
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Accuracy
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150Ω: 0.1S+ 0.2%
7.5kΩ: 0.01S + 0.1%
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300Ω: 0.1S + 0.2%
15kΩ: 0.01S + 0.1%
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100Ω: 0.1S+ 0.2%
5kΩ: 0.01S+ 0.1%
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Constant Voltage Mode
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Range
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0~80V
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0~80V
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0~80V
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Resolution
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20mV
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20mV
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20mV
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Accuracy
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0.05% + 0.1%F.S.
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0.05% + 0.1%F.S.
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0.05% + 0.1%F.S.
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Constant Power Mode
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Range
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0~20W
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0~200W
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0~20W
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0~100W
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0~30W
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0~300W
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Resolution
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5mW
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50mW
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5mW
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25mW
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7.5mW
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75mW
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Accuracy
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0.5% + 0.5%F.S.
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0.5% + 0.5%F.S.
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0.5% + 0.5%F.S.
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Dynamic Mode
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Dynamic Mode
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C.C. Mode
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C.C. Mode
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C.C. Mode
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T1 & T2
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0.025ms ~ 50ms / Res: 5μs
0.1ms ~ 500ms / Res: 25μs 10ms ~ 50s / Res: 2.5ms
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0.025ms ~ 50ms / Res: 5μs
0.1ms ~ 500ms / Res: 25μs 10ms ~ 50s / Res: 2.5ms
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0.025ms ~ 50ms / Res: 5μs
0.1ms ~ 500ms / Res: 25μs 10ms ~ 50s / Res: 2.5ms
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Accuracy
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1μs/1ms+100ppm
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1μs/1ms+100ppm
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1μs/1ms+100ppm
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Slew Rate
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0.64~160mA/μs
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6.4~1600mA/μs
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0.32~80mA/μs
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3.2~800mA/μs
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0.001~0.2/μs
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0.01~2./μs
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Resolution
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0.64mA/μs
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6.4mA/μs
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0.32mA/μs
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3.2mA/μs
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0.001A/μs
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0.01A/μs
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Accuracy
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10% ±20μs
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10% ±20μs
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10% ±20μs
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Min. Rise Time
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10μs (Typical)
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10μs (Typical)
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10μs (Typical)
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Current
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0~4A
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0~40A
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0~2A
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0~20A
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0~6A
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0~60A
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Resolution
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1mA
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10mA
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0.5mA
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5mA
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1.5mA
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15mA
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Accuracy
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0.4%F.S.
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0.4%F.S.
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0.4%F.S.
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Measurement Section
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Voltage Read Back
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Range
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0~16V
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0~80V
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0~16V
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0~80V
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0~16V
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0~80V
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Resolution
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0.25mV
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1.25mV
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0.25mV
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1.25mV
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0.25mV
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1.25mV
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Accuracy
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0.025% + 0.025%F.S.
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0.025% + 0.025%F.S.
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0.025% + 0.025%F.S.
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Current Read Back
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Range
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0~4A
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0~40A
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0~2A
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0~20A
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0~6A
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0~60A
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Resolution
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0.0625mA
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0.625mA
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0.03125mA
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0.3125mA
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0.09375mA
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0.9375mA
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Accuracy
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0.05% + 0.05%F.S.
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0.05% + 0.05%F.S.
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0.05% + 0.05%F.S.
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Power Read Back*2
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Range
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0~20W
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0~200W
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0~20W
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0~100W
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0~30W
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0~300W
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Accuracy
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0.1% + 0.1%F.S.
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0.1% + 0.1%F.S.
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0.1% + 0.1%F.S.
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Protective Section
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Over Power Protection
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Yes
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Yes
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Yes
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Over Current Protection
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Yes
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Yes
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Yes
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Over Temperature Protection
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Yes
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Yes
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Yes
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Over Voltage Alarm*3
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Yes
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Yes
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Yes
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General
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Short Circuit
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Current (CC)
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-
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≒40A
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-
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≒20A
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-
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≒60A
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Voltage (CV)
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-
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0V
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-
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0V
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-
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0V
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Resistance (CR)
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-
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≒0.0375Ω
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-
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≒0.075Ω
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-
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≒0.025Ω
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Power (CP)
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-
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≒200W
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-
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≒100W
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-
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≒300W
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Input Resistance
(Load Ω )
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100kΩ (Typical)
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100kΩ (Typical)
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100kΩ (Typical)
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Temperature Coefficient
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100PPM/℃( (Typical)
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100PPM/℃(Typical)
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100PPM/℃( (Typical)
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Power
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Supply from 6314A Mainframe
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Supply from 6314A Mainframe
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Supply from 6314A Mainframe
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Dimensions (HxWxD)
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172x82x489.5mm / 6.8x3.2x19.3inch
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172x82x489.5mm / 6.8x3.2x19.3inch
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172x82x489.5mm / 6.8x3.2x19.3inch
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Weight
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4.2 kg / 9.3 lbs
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4.2 kg / 9.3 lbs
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4.2 kg / 9.3 lbs
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Operating Temperature Range
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0~40℃
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0~40℃
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0~40℃
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EMC & Safety
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CE
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CE
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CE
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63103A面板说明
Model 6310A系列选型表
型号
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描述
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63110A
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LED仿真负载500V/2A/100Wx2 channels
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63113A
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LED仿真负载300V/20A/300W
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6311
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LED仿真负载600V/20A/300W
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6312A
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双负载模块外框
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6314A
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四个负载模块外框
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A631000
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6314A与6312A用GPIB控制适配卡
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A631003
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6314A与6312A用GPIB控制适配卡
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联系方式