QJ84B 數字式雙臂電橋主要技術性能:
| 量 程 | 測量范圍 | 分 辨 力 | 基準誤差極限 |
| 20mΩ | 0~19.999mΩ | 1μΩ | ±(0.4%讀數+0.1%滿度) |
| 200mΩ | 0~199.99mΩ | 10μΩ | ±(0.1%讀數+0.05%滿度) |
| 2Ω | 0~1.9999Ω | 100μΩ | ±(0.05%讀數+0.02%滿度) |
| 20Ω | 0~19.999Ω | 1mΩ | ±(0.04%讀數+0.01%滿度) |
| 200Ω | 0~199.99Ω | 10mΩ | ±(0.04%讀數+0.01%滿度) |
| 2KΩ | 0~1.9999KΩ | 100mΩ | ±(0.04%讀數+0.01%滿度) |
| 20KΩ | 0~19.999KΩ | 1Ω | ±(0.04%讀數+0.01%滿度) |