万喜堂彩票
简介:GDM-300/400系列数字电表是专为满足一般及维修服务工程师的日常需要设计的轻便高准确度及电池供电之手持式电表
GDM-452/357/350B
4 1/2(19999位数)(GDM-452)
3 1/2(1999位数)(GDM-357/350B)
手动选档
短路蜂鸣/二极管测试
数据维持
hFE Test(仅GDM-350B)
温度测量(GDM-452除外)
电容测量(GDM-350B除外)
频率测量(仅GDM-452)
GDM-461/397/360/398
22000位数自动/手动换档(GDM-461)
4000位数自动/手动换档(GDM-397/398)
6000位数自动/手动换档(GDM-360)
电容,频率测量功能
短路蜂鸣/二极管测试
高效保险丝可达10A范围
数据维持/相对值模式
True RMS(GDM-461/360)
RS232C(GDM-461/397/360)
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) | ||
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) | ||
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) | ||
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) | ||
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) | ||
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) | ||
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); | ||
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 | ||
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); Disy 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) |
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