惠普HP 3458A数字万用表参数
Published on2026-03-25
惠普HP 3458A（现由Keysight继承）是款8位半高精度台式数字万用表，应用于计量实验室、科研和高精度校准场景中，以下就是HP 3458A的参数详情。惠普HP 3458A参数分辨率：八位半基本直流电压精度：0.1ppm带宽：12MHz采样率：0.2-100000读数/秒内部存储器：75000读数直流电压量程：100mV、1V、10V、100V和1000V直流电压灵敏度：10nV直流电压24小时精度10mV：0.6ppm100mV：0.6ppm1V：0.3ppm10V：0.05ppm100V：0.3ppm1000V：0.1ppm直流电压传输精度：0.05ppm+0.05ppm直流电压线性度：±0.05ppm直流电流量程：100nA-1A直流电流灵敏度：1pA直流电流24小时精度100nA：0.001%+0.04%1μA：0.001%+0.004%1mA：0.001%+0.0004%1A：0.010%+0.0010%电阻量程：10Ω-1.2GΩ电阻灵敏度：10μΩ电阻24小时精度10Ω：5ppm+3ppm100Ω：3ppm+3ppm1kΩ/10kΩ/100kΩ：2ppm+0.2ppm1MΩ：10ppm+1ppm10MΩ：50ppm+5ppm100MΩ：0.05%+10ppm1GΩ：30.5%+10ppm交流电压量程：10mV-1000V交流电压带宽：1Hz-10MHz交流电压2年精度10mV：0.02%+0.011%100mV/1V/10V：0.007%+0.002%100V：0.02%+0.002%1000V：0.04%+0.002%交流电流量程：10μA-1A交流电流带宽：10Hz-100kHz交流电流2年精度100μA：0.06%+0.03%1mA-100mA：0.03%+0.02%其他特性功能温度测量：RTD（100Ω）和热敏电阻（5kΩ），分辨率0.001℃电压频率：1Hz-10MHz电流频率：1Hz-100kHz周期：100ns-1s精度：±0.01%（10Hz-10MHz）数学功能：Null、Offset、RMS Filter、DB/DBM、%Error、Pass/Fail和Statistics等接口：GPIB预热时间：4小时工作稳定：0℃-55℃
Key Words：HP 3458A3458A3458A数字万用表
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