吉时利Keithley 6485皮安表参数及优势
Published on2026-03-14
吉时利Keithley 6485是款高精度、经济型的五位半的皮安表，专门为低电流测试设计的设备，应用于材科研、半导体测试和光电材料分析等领域，以下就是Keithley 6485的参数详解。Keithley 6485参数电流测量范围：10fA-20mA分辨率：10fA读数速度：最高为1000读数/秒输入端压降：＜200μV显示位数：五位半接口：GPIB、RS-232和模拟输出内置功能：REL、LOG和显示开关仿真模式：内置Model 485仿真模式触发系统：内置触发链路接口过载保护：200V过载保护工作温度：0-55℃通道数：单通道Keithley 6485技术特点和优势反馈式皮安表设计不同于传统DMM的分流测量方式，Keithley 6485采用反馈架构，大幅降低输入压降，使其更接近理想电流表性能，特别适合低电压偏置下的高精度测量。快速自动量程拥有8个电流量程，支持快速自动切换，适应宽范围电流变化。兼容性与升级便利内置485仿真模式，可直接使用原有485型号的控制代码，便于系统平滑升级。高性价比相比同类高精度测量设备，6485皮安表在性能与价格之间实现了良好平衡，适合预算有限但对精度有要求的用户。
Key Words：Keithley 64856485皮安表
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