数字万用表DT-991L/992L/998L 香港CEM香港CEM 数字万用表DT-991L/992L/998L
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数字万用表DT-991L/992L/998L 香港CEM
| 1999位即31/2位数字液晶显示，有电池低能量提示符 | DT-991L | DT-992L | DT-998L | ||
| | 量程 | 分辨率 | |||
| 直流电压 | 200mV | 0.1mV | ±0.5%±2d | ±0.5%±2d | ±0.5%±2d |
| 2000mV | 1mV | ||||
| 20V | 10mV | ||||
| 200V | 100mV | ||||
| 600V | 1V | ±0.8%±2d | ±0.8%±2d | ±0.8%±2d | |
| 交流电压 | 200V | 100mV | ±1.2%±10d | ±1.2%±10d | ±1.2%±10d |
| 600V | 1V | ||||
| 直流电流 | 200uA | 0.1uA | — | — | — |
| 2000uA | 1uA | ±1.0%±2d | ±1.0%±2d | ±1.0%±2d | |
| 20mA | 10uA | ||||
| 200mA | 0.1mA | ±1.5%±2d | ±1.5%±2d | ±1.5%±2d | |
| 10A | 10mA | ±3.0%±2d | ±3.0%±2d | ±3.0%±2d | |
| 电阻（Ω） | 200Ω | 0.1Ω | ±0.8%±3d | ±0.8%±3d | ±0.8%±3d |
| 2000Ω | 1Ω | ±3.0%±2d | ±0.8%±2d | ±0.8%±2d | |
| 20kΩ | 10Ω | ||||
| 200kΩ | 0.1kΩ | ||||
| 2000kΩ | 1kΩ | ±1.0%±2d | ±1.0%±2d | ±1.0%±2d | |
| 温度 | -20℃～1370℃ | 1℃ | — | — | 0℃～400℃±1.0%±3d 400℃～750℃±2.0% |
| | 二极管测试 | 有 | — | — | |
| | 三极管测试 | 有 | 有 | 有 | |
| 短路测试 | 短路蜂鸣测试 | 有 | 有 | 有 | |
| | 测试方波输出 | — | 有 | — | |
| | 数据保持功能 | 有 | 有 | 有 | |
| | 背光显示 | 有 | 有 | 有 | |
