YB2173双路交流毫伏表产品介绍（中文）
YB2173双路交流毫伏表是一款专业级电子测量仪器，采用先进电路设计与人性化操作界面相结合，为电子工程测试、教学实验及设备维护领域提供可靠的交流电压测量解决方案。该设备配备独立双通道输入系统，可同时测量两路交流信号并支持数据对比分析，有效提升工作效率。
本产品具备宽量程测量能力，最小可检测300μV级微弱信号，最大支持300V电压输入，覆盖音频、中频等常见电子信号测试需求。其线性刻度显示配合高灵敏度表头，确保测量结果直观易读。内置高精度运算放大电路与低噪声滤波技术，有效抑制外界干扰，在20Hz-100kHz频率范围内保持稳定的测量精度。
设备采用机械与电子双重保护机制，输入端设置过载防护装置，避免误操作导致的设备损坏。独特的接地隔离设计可有效消除共模干扰，特别适用于浮地测量场景。操作面板布局简洁，配备独立量程旋钮、通道切换按键及零点校准功能，用户可快速完成参数设置。内置高亮LED背光显示屏，在弱光环境下仍能清晰读取数据。
YB2173支持自动量程与手动量程双模式切换，满足不同场景的测试需求。仪器内部采用模块化设计，关键部件均经过严格老化测试，确保长期运行的稳定性。宽幅电源适配设计兼容100V-240V交流供电，适合各类实验室环境使用。该产品广泛应用于音频设备调试、电子电路研发、教学实验演示、工业设备维修等领域，是工程技术人员进行精确交流信号测量的理想工具。
YB2173 Dual-channel AC Millivoltmeter Product Introduction (English)
The YB2173 dual-channel AC millivoltmeter is a professional-grade electronic measuring instrument that integrates advanced circuit design with user-friendly operation interface. Equipped with independent dual-channel input system, it enables simultaneous measurement and comparative analysis of two AC signals, significantly enhancing work efficiency in electronic engineering testing, educational experiments, and equipment maintenance.
This device features wide-range measurement capability, detecting signals as low as 300μV while accommodating inputs up to 300V, covering common electronic signal testing requirements in audio and intermediate frequency applications. The linear scale display combined with high-sensitivity meter ensures intuitive reading of measurement results. Built-in precision operational amplifier circuits and low-noise filtering technology effectively suppress external interference, maintaining stable measurement accuracy within 20Hz-100kHz frequency range.
Incorporating mechanical and electronic dual protection mechanisms, the input terminals are equipped with overload protection devices to prevent accidental damage. Unique ground isolation design effectively eliminates common-mode interference, particularly suitable for floating ground measurement scenarios. The logically arranged control panel includes independent range selectors, channel switching buttons, and zero calibration function, enabling quick parameter setup. High-contrast LED backlit display ensures clear visibility under various lighting conditions.
The instrument supports both auto-ranging and manual range selection modes to accommodate different testing requirements. Modular internal design and rigorous aging tests on critical components guarantee long-term operational stability. Wide-voltage power supply design (100V-240V AC) ensures compatibility with various laboratory environments. Widely applied in audio equipment debugging, electronic circuit development, educational demonstrations, and industrial maintenance, this device serves as an ideal tool for engineers requiring precise AC signal measurement.
With its optimized structural design and shock-resistant casing, the YB2173 maintains stable performance in mobile measurement scenarios. The product s balanced performance in measurement accuracy, operational convenience, and cost-effectiveness makes it a practical choice for technical personnel engaged in electronic product development and maintenance.
