当前位置:北京市北方思源电子技术中心>>通讯测试仪器>> 有效值电压表 URE2 RMS Voltmeter
德国罗德与施瓦茨 Rohde & Schwarz
应用领域
测量精度
A patented rectifier circuit with microprocessor-controlled autocalibration makes for the outstanding measurement characteristics of URE2 and URE3. In order to further enhance the accuracy, correction factors are determined for each instrument and measurement range and stored in a nonvolatile memory.
A zero function allows noise voltages and the inherent noise to be compensated for, the measurement accuracy being thus increased in particular at low levels.
The measured frequency value is used by URE3 for an internal frequency response correction. This method increases the accuracy mainly at the higher frequencies. Distortion-free measurement of signals is ensured by:
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