HP3457A Agilent 3457A数字万用表
6位半数字分辨率，每秒1350个读数和15ppm的基本直流精度 带频率/周期测试及2/4线电阻测试功能
Agilent 3457A产品特点:
3-1/2 to 6-1/2 digits resolution, extendable to 7-1/2 digits
Reading rates from 1 reading every 2 seconds to 1350 readings per second.
DC volts accuracy up to 5 ppm
Measures DC Volts and Current, Resistance, True RMS AC Volts and Current, Frequency and Period
Math functions include Null, Scale, Offset, RMS Filter, Single Pole Filter, Thermistor Linearization, dB, dBm, % Error, Pass/Fail Limit Testing, and Statistics
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