- 面议
参考价：
起订量：
中国台湾固纬GDM-451 数字电表
- 型号
- 中国台湾固纬GDM-451
详细信息
◆4 1/2 Digits 19999 counts
◆Manual Ranging
◆Continuity Check/Diode Test
◆Data Hold
◆Temperature Measurement
◆Capacitance, Frequency Measurement
| DC VOLTAGE | |
| Range | 200mV, 2V, 20V, 200V, 1000V |
| Best Accuracy | ∮（0.05%rdg + 3 digits） |
| Input Impedance | 10M |
| AC VOLTAGE （40Hz ~ 400Hz） | |
| Range | 2V, 20V, 200V, 750V |
| Best Accuracy | ∮（0.5%rdg + 10 digits） |
| Input Impedance | 2M |
| DC CURRENT | |
| Range | 2mA, 20mA, 200mA, 20A |
| Best Accuracy | ∮（0.5%rdg + 5 digits） |
| AC CURRENT （50Hz ~ 400Hz） | |
| Range | 20mA, 200mA, 20A |
| Best Accuracy | ∮（0.8%rdg + 10 digits） |
| RESISTANCE | |
| Range | 200 ~ 200M 7 ranges |
| Best Accuracy | ∮（0.3%rdg + 1 digit） |
| CONTINUITY BEEPER | |
| ? | Buzzer sounds if conductance less than 70 |
| DIODE TEST | |
| Open Circuit Voltage | approx. 2.8V typical |
| CAPACITANCE | |
| Range | 2nF, 20nF, 2F, 20F |
| Best Accuracy | ∮（3%rdg + 40digits） |
| FREQUENCY | |
| Range | 1Hz ~ 20kHz |
