交直流电子负载 3250A
特性
可显示电压值、电流值、瓦特值、伏安 (VA) 值
定电流(CC)、线性定电流(Linear CC)、定电阻(CR)及峰值系数(Crest Factor)工作模式
可安装于机框3302C[单组式]或3300C[四组式]上,且机框上具有五组储存/呼叫记忆
功率因子(PF) 可调: 1, 0.85~ -0.85
具读值上/下限比较之功能
过电压、电流、功率及温度保护
四位半之电压、电流、功率及伏安表
适用于正弦波、方波、阶梯波
技术指标:
MODEL | 3250A |
Power (VA) | 300 VA |
Current(Ampere) | 20 Arms |
Voltage(Volt) | 60 Vrms |
PROTECTION: | |
Over Power Protection | ≒ 315 VA |
Over Current Protection | ≒ 21 A |
Over Vlotage Protection | ≒ 63 V |
Over Temp. Protection | 85℃ |
CC MODE & Linear CC MODE | Range | 0~10/10~20 A |
Resolution | 2.5/5 mA |
Accuracy | ±0.5﹪of (setting + range) |
Low Current Accuracy | 0 ~ 1 A |
± 2 % of (setting + range) |
CR MODE | Range II/I | 0.3~1.2/1.2~4.8K |
Resolution | 0.83/0.2083 mS |
Accuracy | ±0.5﹪ of (setting + range) |
CREST FACTOR (CCMODE ONLY) | Range | √2 ~ 3.5 / 1.5 ~ 1.9 / 3.0 ~ 3.4 |
Resolution | 0.5 / 0.1 / 0.1 |
VOLTAGE READBACK V METER | Range | 60 V |
Resolution | 0.01 V |
Accuracy | ±(0.5﹪ of reading + 0.2% of range) |
CURRENT READBACK A METER | Range | 20 A |
Resolution | 0.01 A |
Accuracy | ±(0.5﹪ of reading + 2﹪ of range) ±0.5﹪ of (reading + range)@ 50/60 Hz |
WATT READBACK W METER | Range | 300 W |
Resolution | 0.1 W |
Accuracy | ±(0.5﹪ of reading)± 3W |
VA METER | Vrms×Arms Correspond To Vrms and Arms |
FREQUENCY Range | DC, 40 ~ 70 Hz(CC Mode) DC ~ 70 Hz(CR Mode) |
Imonitor (Isolated) | 5 A/V |
交直流电子负载 3250A订货信息
3300C 四个模块机框
3302C-01 单个模块机框 (含GPIB界面)
3301A 四个模块机框 (含GPIB界面‚Listen Only)
3300C-01 四个模块机框 (含GPIB界面)
3250A 交/直流电子负载 60V, 20A, 300W
3251A 交/直流电子负载 150V, 8A, 300W
3252A 交/直流电子负载 300V, 4A, 300W