中文介绍
YB2173B 数字交流毫伏表是一款高性能的测量仪器，广泛应用于电子、通信、科研等领域。该设备采用先进的数字显示技术，具备双通道测量功能，能够同时测量两个信号，支持同步和异步操作。其交流电压测量范围极宽，从 30μV 到 300V，能够满足多种复杂环境下的测量需求。该设备的分辨率高达 1μV，确保了测量的精准性。此外，YB2173B 采用先进的数码开关和发光二极管指示量程和状态，操作简便，显示清晰。它还具备高阻抗、低噪声和良好的线性特性，确保测量结果的稳定性和可靠性。设备设有共地/浮置功能，能够在不同电压参考点下安全、准确地进行测量。

英文 Introduction
The YB2173B Digital AC Millivoltmeter is a high-performance measuring instrument widely used in electronics, communications, research, and other fields. It features advanced digital display technology and a dual-channel measurement function, allowing for the simultaneous measurement of two signals with both synchronous and asynchronous operation capabilities. The device has an extremely wide range for AC voltage measurement, spanning from 30μV to 300V, which meets the needs of various complex measurement environments. With a resolution as high as 1μV, the YB2173B ensures precise measurements. Additionally, it employs advanced digital switches and LED indicators for range and status display, making operation simple and readings clear. The instrument also boasts high impedance, low noise, and good linearity, ensuring stable and reliable measurement results. The YB2173B is equipped with a ground/floating function, enabling safe and accurate measurements at different voltage reference points.