宽带有效值电压表，10Hz - 25MHz
A patented rectifier circuit allows measurement of signals with a crest factor of up to 7 and frequencies of up to 25 MHz.
方便的菜单指引操作
Relative measurement, maxima/ minima
Use of commercial probes, taking into account their division factor in the displayed result
通讯接口 IEEE488
应用领域
Level measurements in audio range
Interference measurements on switch-mode power supplies
Measurement of extremely fast dialling signals and detection of simultaneously transmitted supply voltages in
radiotelephony
Automatic quality control of audio and video tapes
High-frequency measurements in digital magnetic storage and optical data storage
Peak weighting in video measurements (sync signals)
Secondary calibration standard
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:
high input impedance
low input capacitance
highpass and lowpass filters that can be switched in to suppress hum or high-frequency
