YB-2811 數(shù)字電橋是一款高性能的電子測量儀器，廣泛應(yīng)用于電子元件、電路設(shè)計及科研領(lǐng)域。該設(shè)備能夠自動測量電感（L）、電容（C）、電阻（R）、品質(zhì)因數(shù)（Q）和損耗角正切值（D）等參數(shù)，基本精度達(dá)到 0.25%，并配備 8 位數(shù)字顯示。其測量頻率范圍涵蓋 100Hz、1kHz 和 10kHz，能夠滿足多種測試需求。YB-2811 數(shù)字電橋還具備自動切換量程功能，主參量 L、C、R 由五位數(shù)字顯示，副參量 Q、D 由三位數(shù)字顯示。

在設(shè)計方面，YB-2811 數(shù)字電橋配備了電容帶電沖擊保護(hù)電路，當(dāng)被測電容帶電時，可有效防止儀器損壞。此外，該設(shè)備的測試信號電平為 0.3Vrms±10%（空載），測試速度可達(dá) 5 次/秒。其工作環(huán)境溫度范圍為 0°C 至 40°C，濕度不超過 85% RH。物理特性方面，YB-2811 數(shù)字電橋的電壓要求為 220V±10%，頻率為 50Hz±5%，功耗小于 40W。外形尺寸為 100H×300W×310D（mm），重量約為 3.3kg。

The YB-2811 Digital Bridge is a high-performance electronic measuring instrument widely used in electronic components, circuit design, and scientific research. This device can automatically measure parameters such as inductance (L), capacitance (C), resistance (R), quality factor (Q), and dissipation factor (D) with a basic accuracy of 0.25% and an 8-digit display. The measurement frequency range covers 100Hz, 1kHz, and 10kHz, meeting various testing requirements. The YB-2811 Digital Bridge also features automatic range switching, with five-digit display for main parameters L, C, and R, and three-digit display for secondary parameters Q and D.

In terms of design, the YB-2811 Digital Bridge is equipped with a capacitor discharge protection circuit, which can effectively prevent instrument damage when the measured capacitor is charged. Additionally, the device has a test signal level of 0.3Vrms±10% (open circuit) and a test speed of up to 5 times per second. The working environment temperature range is 0°C to 40°C, with a humidity of no more than 85% RH. In terms of physical characteristics, the YB-2811 Digital Bridge requires a voltage of 220V±10%, a frequency of 50Hz±5%, and has a power consumption of less than 40W. The dimensions are 100H×300W×310D (mm), and the weight is approximately 3.3kg.