儀器介紹
MS2307雙鉗口接地電阻測試儀功能：
1) 采用二交流、二直流、三、四、電流鉗選擇法、雙鉗頭無輔助法共6種測量方法對接地電阻進行測量，滿足各種測量環境的需要。
2) 測量電壓48V/20V可選，測量頻率94Hz,105Hz,111Hz,128Hz四種可選，并有自動頻率選擇功能，自動選擇干擾小的頻率進行測量。
3) 可以采用4法直接測量土壤電阻率；
4) 能自動對干擾電壓與漏電流進行測量；
5) 具有測量數據存儲功能，可以存儲100組測量數據，并可以上傳到PC進行顯示分析，輸出測試報表。
6) 雙電源供電，可選擇干電池和充電電池供電
7) 技術指標：3和4 測試電壓 20/48V 測試頻率 94Hz,105Hz,111Hz,128Hz AFC 短路電流 >200mA RE 測量范圍 0.02Ω-300KΩ(5%rdg+3d）
8) 帶電流鉗3和4 測試電壓 20/48V 測試頻率 94Hz,105Hz,111Hz,128Hz AFC 短路電流 >200mA RE 測量范圍 0.02Ω-29.99KΩ (5%rdg+5d）
9) 雙鉗頭 測試電壓 48V 測試頻率 94Hz,105Hz,111Hz,128Hz AFC 短路電流 >200mA RE 測量范圍 0.02Ω-299.9Ω (10%rdg+5d）
10) R~2電阻測量 測試電壓 20V 測試頻率 94Hz,105Hz,111Hz,128Hz AFC 短路電流 >200mA R~分辨率 0.02-10Ω R~測量范圍 0.02Ω-300KΩ (5%rdg+5d）
11) R?2電阻測量 測試電壓 DC 20V 短路電流 >200mA R?分辨率 0.02-10Ω R?測量范圍 0.02Ω-3KΩ (2%rdg+3d）
12) R?4電阻測量 測試電壓 DC 20V 短路電流 >200mA
13) R?測量范圍 0.02Ω-3KΩ (2%rdg+3d）
14) ρ土壤電阻率測量 測試電壓 20/48V 測試頻率 94Hz,105Hz,111Hz,128Hz AFC 短路電流 >200mA ρ測量范圍 1-5000Ωm (5%rdg+5d）
15) Rk測量導線電阻的補償測量 測試電壓 20/48V 測試頻率 94Hz,105Hz,111Hz,128Hz AFC 短路電流 >200mA Rk測量范圍 0.02-29.99Ω (1%rdg+2d）
16) 干擾電壓電流頻率測量 電壓測量范圍 ±1VDC~±50VDC，1VAC~50VAC. 頻率測量范圍 16-400Hz 測量 電壓：±5%rdg +5dgt.；頻率：±1%rdg.+2dgt. 頻率分辨率 電壓：0.1V； 頻率： 1Hz 干擾電流測量范圍 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 |
