| 规格 |
| DC 电压 |
| 档位 |
220mV, 2.2V, 22V, 220V, 1000V(GDM-461); 200mV, 2V, 20V, 200V, 600V(GDM-452);40mV, 400mV, 4V, 40V, 400V, 1000V(GDM-397);60mV, 600mV, 6V, 60V, 600V, 1000V(GDM-360);400mV, 4V, 40V, 400V, 1000V(GDM-398);200mV, 2V, 20V, 200V, 600V(GDM-357);200mV, 2000mV, 20V, 200V, 250V(GDM-350B) |
| 最佳精度 |
±(0.1%rdg + 2 digits) for GDM-461;±(0.05%rdg + 3 digits) for GDM-452;±(0.5%rdg + 1 digit) for GDM-397/360/398/357;±(0.5%rdg + 2 digits) for GDM-350B |
| 输入阻抗 |
10 MΩ (3000MΩ for mV range of GDM-461/397/360/398) |
| AC 电压 |
| 档位 |
220mV, 2.2V, 22V, 220V, 750V(GDM-461); 200mV, 2V, 20V, 200V, 600V(GDM-452);40mV, 400mV, 4V, 40V, 400V, 750V(GDM-397); 400mV, 4V, 40V, 400V, 750V(GDM-398);60mV, 600mV, 6V, 60V, 600V, 750V(GDM-360); 2V, 20V, 200V, 600V(GDM-357);200V, 250V(GDM-350B) |
| 最佳精度 |
±(0.8%rdg + 10 digits) for GDM-461; ±(0.5%rdg + 10 digits) for GDM-452;±(1.0%rdg + 3 digits) for GDM-397/360/398; ±(0.8%rdg + 3 digits) for GDM-357;±(1.2%rdg + 3 digits) for GDM-350B |
| 输入阻抗 |
10 MΩ (3000MΩ for mV range of GDM-461/397/360/398; 4.5MΩ for GDM-350B) |
| DC 电流 |
| 档位 |
220µA, 2200µA, 22mA, 220mA, 10A(GDM-461); 2mA, 20mA, 200mA, 10A(GDM-452);400µA, 4000µA, 40mA, 400mA, 4A, 10A(GDM-397/398);600μA, 6000μA, 60mA, 600mA, 6A, 10A(GDM-360);2mA, 20mA, 200mA, 10A(GDM-357); 2000µA, 20mA, 200mA, 10A(GDM-350B) |
| 最佳精度 |
±(0.5%rdg + 10 digits) for GDM-461; ±(0.5%rdg + 5 digits) for GDM-452;±(1.0%rdg + 2 digits) for GDM-397/398/350B; ±(1.0%rdg + 3 digits) for GDM-360;±(0.8%rdg + 1 digit) for GDM-357 |
| AC 电流 |
| 档位 |
220µA, 2200µA, 22mA, 220mA, 10A(GDM-461); 2mA, 20mA, 200mA, 10A(GDM-452);400µA, 4000µA, 40mA, 400mA, 4A, 10A(GDM-397/398);600μA, 6000μA, 60mA, 600mA, 6A, 10A(GDM-360);2mA, 20mA, 200mA, 10A(GDM-357); 2000µA, 20mA, 200mA, 10A(GDM-350B) |
| 最佳精度 |
±(0.8%rdg + 10 digits) for GDM-461/452; ±(1.0%+3) for GDM-357;±(1.2%rdg + 5 digits) for GDM-397/360/398 |
| 电阻 |
| 档位 |
220Ω ~ 220MΩ 7 ranges(GDM-461); 200Ω ~ 20MΩ 6 ranges(GDM-452/357/350B);400Ω ~ 40MΩ 6 ranges(GDM-397/398); 600Ω ~ 60MΩ 6 ranges(GDM-360) |
| 最佳精度 |
±(0.5%rdg + 10 digits) for GDM-461; ±(0.3%rdg + 1 digit) for GDM-452;±(1.0%rdg + 2 digits) for GDM-397/360/398/357; ±(0.8%rdg + 5 digits) for GDM-350B |
| 电容 |
| 档位 |
22nF, 220nF, 2.2µF, 22µF, 220µF, 2.2mF, 22mF, 220mF(GDM-461)20nF, 200nF, 2μF, 20μF(GDM-452); 2nF, 20nF, 200nF, 2μF, 200μF(GDM-357)40nF, 400nF, 4µF, 40µF, 400µF, 4000µF (GDM-397/360/398) |
| 最佳精度 |
±(3.0%rdg + 5 digits) for GDM-461; ±(4.0%rdg + 20 digits) for GDM-452;±(3.0%rdg + 5 digits) for GDM-397/360/398; ±(4.0%+3) for GDM-357 |
| 频率 |
| 档位 |
10Hz ~ 220MHz(GDM-461); 1Hz ~ 20kHz(GDM-452);10Hz ~ 10MHz(GDM-397/360/398); |
| 最佳精度 |
±(0.01%rdg + 5 digits) for GDM-461; ±(1.5%rdg + 5 digits) for GDM-452;±(0.1%rdg + 4 digits) for GDM-397/360/398 |
| 二极管测试 |
| 开路电压 |
GDM-461/452/397/360/398/357/350B : 2.8V (Approx.)GDM-350B : 2.3V (Approx.) |
| 持续峰鸣 |
| 如果电导小于10Ω，蜂鸣器发出声响，GDM-461/397/357/360/398/350B;如果电导小于30Ω，蜂鸣器发出声响，GDM-452 |
| 温度 |
| 范围 |
-40ºC ~ 1000ºC |
| 最佳精度 |
±(1.2%rdg + 4 digits) for GDM-397; ±(1.0%rdg + 7 digits) for GDM-357;±(1.0%rdg + 3 digits) for GDM-350B |
| 特殊功能 |
| Auto Ranging (GDM-461/397/360); True RMS (GDM-461/360); RS-232C (GDM-461/397/360);hFE Test (GDM-398/350B); Display Backlight (GDM-397/360/398); EF Function (GDM-398);Analog Bar (GDM-461/397/360/398); Auto Power Off (GDM-452/397/357/360/398) |
| LCD 显示 |
| 22000 counts (GDM-461), 4 1/2 digits (GDM-452), 6000 counts (GDM-360);3 3/4 digits (GDM-397/398), 3 1/2 digits (GDM-357/350B) |
| 电源 |
| Single 9V Battery (6F22) |
| 尺寸 & 重量 |
| 87(W) x 180(H) x 47(D) mm, 约. 370g (GDM-461/397/360/398);91(W) x 186(H) x 39(D) mm, 约. 300g (GDM-452/357);72(W) x 137(H) x 35(D) mm, 约. 200g (GDM-350B) |
