仪器介绍
MS2307双钳口接地电阻测试仪功能：
1) 采用二交流、二直流、三、四、电流钳选择法、双钳头无辅助法共6种测量方法对接地电阻进行测量，满足各种测量环境的需要。
2) 测量电压48V/20V可选，测量频率94Hz,105Hz,111Hz,128Hz四种可选，并有自动频率选择功能，自动选择干扰小的频率进行测量。
3) 可以采用4法直接测量土壤电阻率；
4) 能自动对干扰电压与漏电流进行测量；
5) 具有测量数据存储功能，可以存储100组测量数据，并可以上传到PC进行显示分析，输出测试报表。
6) 双电源供电，可选择干电池和充电电池供电
7) 技术指标：3和4 测试电压 20/48V 测试频率 94Hz,105Hz,111Hz,128Hz AFC 短路电流 >200mA RE 测量范围 0.02Ω-300KΩ(5%rdg+3d）
8) 带电流钳3和4 测试电压 20/48V 测试频率 94Hz,105Hz,111Hz,128Hz AFC 短路电流 >200mA RE 测量范围 0.02Ω-29.99KΩ (5%rdg+5d）
9) 双钳头 测试电压 48V 测试频率 94Hz,105Hz,111Hz,128Hz AFC 短路电流 >200mA RE 测量范围 0.02Ω-299.9Ω (10%rdg+5d）
10) R~2电阻测量 测试电压 20V 测试频率 94Hz,105Hz,111Hz,128Hz AFC 短路电流 >200mA R~分辨率 0.02-10Ω R~测量范围 0.02Ω-300KΩ (5%rdg+5d）
11) R?2电阻测量 测试电压 DC 20V 短路电流 >200mA R?分辨率 0.02-10Ω R?测量范围 0.02Ω-3KΩ (2%rdg+3d）
12) R?4电阻测量 测试电压 DC 20V 短路电流 >200mA
13) R?测量范围 0.02Ω-3KΩ (2%rdg+3d）
14) ρ土壤电阻率测量 测试电压 20/48V 测试频率 94Hz,105Hz,111Hz,128Hz AFC 短路电流 >200mA ρ测量范围 1-5000Ωm (5%rdg+5d）
15) Rk测量导线电阻的补偿测量 测试电压 20/48V 测试频率 94Hz,105Hz,111Hz,128Hz AFC 短路电流 >200mA Rk测量范围 0.02-29.99Ω (1%rdg+2d）
16) 干扰电压电流频率测量 电压测量范围 ±1VDC~±50VDC，1VAC~50VAC. 频率测量范围 16-400Hz 测量 电压：±5%rdg +5dgt.；频率：±1%rdg.+2dgt. 频率分辨率 电压：0.1V； 频率： 1Hz 干扰电流测量范围 20mA-2A ±5%rdg+5dgt.；
MS2307 Earth Resistance Tester Features
*2 pole resistance measurement.
*3 pole & 4 pole earth resistance mearurement.
*4 pole soil resistivity testing.
*Current Clamp selection method is used to measuring earth resistance without breaking grounding connection.
*Double clamp without auxiliary electrode is used to fast measuring grounding resistance.
*Automatic frequency control (AFC) is automatically identified interference frequency and then selected the proper measurement frequency, so that reduced the affect of interference voltage.
*Automatically measuring the interference voltage and the leakage current. The limited value will be alarmed.
*Auto power off
*Clock display
*Double battery power supply and low battery indication.
*Data storage function and uploading to PC by U 2.0 interface.
MS2307 Earth Resistance Tester Specifications
| function | |
| 3 Pole & 4 Pole | Voltage:AC20/48V |
| Frequency:94Hz,105Hz,111Hz,128Hz,AFC. | |
| Resistance:0.02Ω~300KΩ±(5%rdg+5dgt) | |
| 3 Pole & 4 Pole With | Voltage:AC20/48V |
| Current Clamp | Frequency:94Hz,105Hz,111Hz,128Hz,AFC. |
| Resistance:0.02Ω~19.99KΩ±(5%rdg+5dgt) | |
| Double Clamp | Voltage:A8V |
| Frequency:94Hz,105Hz,111Hz,128Hz,AFC. | |
| Resistance:0.02Ω~140Ω±(10%rdg+5dgt) | |
| R~2 Pole | Voltage:AC20V |
| Frequency:94Hz,105Hz,111Hz,128Hz,AFC. | |
| Resistance:0.02Ω~300kΩ±(5%rdg+5dgt) | |
| R~2/4 Pole | Voltage:AC20V |
| Resistance:0.02Ω~3kΩ±(5%rdg+5dgt) | |
| Rk(Compensation mea- | Voltage:AC20/48V/DC20V |
| surement for Wire resistance | Frequency:94Hz,105Hz,111Hz,128Hz,AFC. |
| Resistance:0.02Ω~29.99Ω±(5%rdg+5dgt) | |
| Test Short Current | ≤250mA |
| Soil Resistivity | Voltage:AC20/48V |
| Frequency:94Hz,105Hz,111Hz,128Hz,AFC. | |
| Range:1Ωm~9999kΩm±(5%rdg+5dgt) | |
| Disturd Voltage | Voltage:±1V~±50VDC/AC±5%rdg+5dgt |
| Current and Frequency | Frequency:16Hz~400Hz±1%rdg+2dgt |
| Current:20mA~2A;±5%rdg+5dgt | |
| U2.0 interface | |
| Data Storage | Manually store 100 groups |
| Power supply | LR14x6;Voltage:9V |
| Recharge Battery:Nl~MH recharge Battery 7.2V | |
| Charger: Input voltage:100V~240V Frequency: | |
| 50Hz~60Hz Output voltage:12VDC 3A | |
| Display | LCD display, with Back light,Max 9999 |
| Dimension | 230(W)x125(H)x284(L)mm |
| Weight | Approx.2.5kg |
