产品描述：
罗德与施瓦茨（Rohde＆Schwarz）URE3专利的整流电路具有微处理器控制的自动校准功能，可实现URE2和URE3的出色测量特性。为了进一步提高精度，针对每种仪器和测量范围确定校正因子，并将其存储在非易失性存储器中。归零功能可以补偿噪声电压和固有噪声，因此可以提高测量精度，尤其是在低电平时。URE3将测得的频率值用于内部频率响应校正。该方法主要在较高频率下提高精度。交流和交流+直流的真RMS加权超过30次测量/秒4。
具有微处理器控制的自动校准功能的专利整流电路使URE2和URE3具有出色的测量特性。为了进一步提高精度，针对每种仪器和测量范围确定校正因子，并将其存储在非易失性存储器中。
归零功能可以补偿噪声电压和固有噪声，因此可以提高测量精度，尤其是在低电平时。
URE3将测得的频率值用于内部频率响应校正。该方法主要在较高频率下提高精度。
Rohde & Schwarz URE3 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. True RMS weighting for AC and AC + DC More than 30 measurements/s 4.5-digit display and analog display with selectable scale Very high measurement accuracy Highpass and lowpass filters Relative measurement, maxima/ minima Convenient menu-guided operation Use of commercial probes, taking into account their division factor in the displayed result IEC bus (IEEE488) Peak-value measurement (positive, negative, peak-to-peak) without tilts and overshoots Fast RMS measurement even of very low-frequency signals Frequency measurement up to 30 MHz Ultrahigh measurement accuracy through automatic frequency response correction In/out option: dual-channel analog output, ready output, trigger input, TTL frequency counter input reconditioned
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.
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