VICTOR 4108C数字式大型地网接地电阻测试仪又名工频接地电阻测试仪、接地电阻表等It is检验测量接地电阻常用仪表的常用仪表.它采用了变频交流Power supply、双频测量技术、大可触摸彩屏和微处理机技术,满足二线、三线、四线测试阻抗要求,同时可以测量Soil resistivity,跨步电压,分布电势,接触电压、电流相角等参数.适用于电信、电力、气象、机房、油田、电力配电线路、铁塔输电线路、加油站、工厂接地网、避雷针等,符合电力变电站和防雷装置检测仪器标准.仪表测试、快速、简捷、稳定可靠等特点.
The tester output maximum open circuit voltage up to 400V, maximum short circuit current up to 5A. The microprocessor control and automatic dual-frequency technology can accurately measure and calculate the ground impedance value under the condition of strong interference at 50Hz power frequency, and the large screen disy is clear at a time. 100 groups of data are stored at the same time. The resistance measurement range is 0.030Ω to 2000Ω. The measurement data can be printed out by thermal printer
VICTOR 4108C digital large-scale ground network grounding resistance tester is composed of host, test wire, grounding rod, etc. It has the functions of reading, checking, saving and printing historical data
Technical index
| 功能 | Ground impedance measurement, soil resistivity measurement, step voltage measurement, distributed potential measurement, contact voltage measurement | ||
| Ground impedance | 0.030~1.999Ω | Accuracy: ±0.5percentFS±5dgt | Resolution: 0.001Ω |
| 2.00~19.99Ω | Resolution: 0.01Ω | ||
| 20.0~199.9Ω | Resolution: 0.1Ω | ||
| 200~2000Ω | Resolution: 1Ω | ||
| Soil resistivity | 0.000~9.999Ωm | ρ=2πaRX (注3) | Resolution: 0.001Ωm |
| 10.00~99.99Ωm | Resolution: 0.01Ωm | ||
| 100.0~999.9Ωm | Resolution: 0.1Ωm | ||
| 1000~9999Ωm | Resolution: 1Ωm | ||
| 10.0~99.9KΩm | Resolution: 0.1KΩ m | ||
| 100~999KΩm | Resolution: 1KΩm | ||
| Step voltage, distributed potential, contact voltage | 0.030~1.999V | U=I RX (注4) | Resolution: 0.001V |
| 2.00~19.99V | Resolution: 0.01V | ||
| 20.0~199.9V | Resolution: 0.1V | ||
| 200~600V | Resolution: 1V | ||
| Impedance Angle measurement | 0~360.0° |
|
Resolution: 0.1° |
| Radians | 0~6.281 |
|
Resolution: 0.001 |
| Rated measured power | 2000W | ||
| Anti-interference ability | Anti power frequency 50Hz voltage 50V | ||
| Base condition | 23℃±5℃,70percentrh below (auxiliary grounding resistance 20Ω±10percent, voltage to ground < 10V) | ||
| 电源 | AC 220V 10A (50Hz) | ||
| 背光 | 可调节Backlight亮度 | ||
| Measurement mode | Four-wire test, three-wire test, two-wire test | ||
| Measuring method | Ground impedance：额定电流法, | ||
| Short-circuit current output | 1A,2A,3A,4A,5A(5 gear Settings) | ||
| Soil resistivity电极间距范围 | Can be set 1m ~ 100m | ||
| Test frequency | 45Hz,55Hz, automatic dual frequency optional | ||
| Maximum short-circuit current | AC 5A±10percent sine wave | ||
| Maximum no-load voltage | AC 400V±10percent sine wave | ||
| Disy mode | 7 "touch color screen | ||
| 触屏 | It is | ||
| Measurement indication | Measurement progress disy, measurement prompt animation disy | ||
| Instrument size | Length, width and height: 540mm×440mm×210mm | ||
| Standard test line length | Red 15m, black 15m, yellow 10m, green 10m, yellow 1.5m, green 1.5m each 1 | ||
| Auxiliary ground rod | Two 800mm and two 200mm | ||
| Measure the time | Ground impedance：约1分钟/次 | ||
| 内置热敏Print机 | |||
| Print纸规格 | 57*40mm | ||
| Data storage | 100 groups, "Save successfully!" Storage indicator, showing "Save failed, space is full!" The character indicates that the storage is full | ||
| Data retrieval | There is | ||
| Overflow disy | 量程溢出Function：“OL”符号显示 | ||
| Automatic shutdown | None | ||
| 功耗 | Standby: < 110W | ||
| Measurement: 2000W | |||
| 质量 | Meter: 27 kg | ||
| 测试线、Auxiliary ground rod、仪表袋：5.5kg | |||
| Working temperature and humidity | -10℃ ~ 40℃; 80percentrh below | ||
| Storage temperature and humidity | -20℃ ~ 60℃; 70percentrh below | ||
| Insulation resistance | More than 10MΩ (500V between the circuit and the shell) | ||
| 耐压 | AC 3700V/rms(between circuit and housing) | ||
| Electromagnetic properties | IEC61010-4-3,None线频率电磁场≤1V/m | ||
| Suitable for safety rules | IEC61010-1,IEC1010-2-31,IEC61557-1,5,IEC60529(IP54), pollution, etc. 2,CAT Ⅲ 300V | ||
