| 特殊功能 | MS8221A | MS8221B | MS8221D | MS8230B | ||||||
|
温度 (-20°C~1000°C) |
√ | |||||||||
| 数据记录 | √ | √ | √ | √ | ||||||
| 二极管测试 | √ | √ | √ | √ | ||||||
| 蜂鸣器 | √ | √ | √ | |||||||
| 晶体管 hFE 测试 | √ | √ | √ | |||||||
| 电池测试(1.5V/9V) | √ | |||||||||
| 最大显示 | 1999 | 1999 | 1999 | 1999 | ||||||
| 基本功能 | 范围 | 最好的精度 | ||||||||
| MS8221A | MS8221B | MS8221D | MS8230B | |||||||
| 直流电压 | 200mV/2V/20V/200V/1000V | ±0.5% | ±0.5% | ±0.5% | ±0.5% | |||||
| 交流电压 |
2V/20V200V/750V 200V/750V |
±0.8% | ±1.2% | ±0.8% | ±1.2% | |||||
| 直流电流 |
200μA/2mA/20mA/200mA/10A 2mA/20mA/200mA/10A |
±0.8% | ±1.0% | ±0.8% | ±1.0% | |||||
| 交流电流 | 2mA/20mA/200mA/10A | ±1.2% | ±1.2% | |||||||
| 电阻 |
200Ω/2kΩ/20kΩ/200kΩ/2MΩ/20MΩ 200Ω/2kΩ/20kΩ/200kΩ/2MΩ |
±0.8% | ±0.8% | ±0.8% | ±0.8% | |||||
