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MEWOI3000B+-0.01-200Ω 接地電阻勾錶，鉗型接地電阻儀，地阻儀，地電阻測量儀，勾式接地電阻測試儀
產品別稱：
產品介紹
MEWOI3000系列鉗形接地電阻測試儀是傳統接地電阻測量技術的重大突破，廣泛應用於電力、電信、氣象、油田、建築及工業電氣設備的接地電阻測量，在測量有迴路的接地系統時，不需斷開接地引下線，不需輔助電極，安全快速、使用簡便。 MEWOI3000系列鉗形接地電阻測試儀能測量出用傳統方法無法測量的接地故障，因為該儀錶測量的是接地體電阻和接地引線電阻的綜合值。 MEWOI3000系列鉗形接地電阻測試儀還可應用於傳統搖表無法測試的環境下（如水泥地面、樓房內、地下室內、電信機房內等）。其中C型產品還能測量接地系統的泄露電流和中性電流。 |
主要特點
1. 實用型產品，質量更加可靠。 |
| 2.接地電阻測試技術的重大突破、非接觸式測量安全快速。 |
| 3.在測量有迴路的接地系統時，不需斷開接地引下線，不需輔助接地極，省時省力。 |
| 4.計量器具型式批准證書：CPA 2016E119-44。 |
| 5.鉗形接地電阻儀能測量出用傳統方法無法測量的接地故障，能應用於傳統方法無法測量的場合。聲光報警功能、數據存儲功能、數據保持功能。 |
主要功能
1，接地電阻、迴路電阻測量, |
| 2，鉗口尺寸：55mmx32mm |
| 3，量程：0.010Ω~000Ω, |
| 4，數據存儲：99組 |
| 5，報警臨界值設定：1~199Ω, |
| 6，報警功能： |
技術參數
量測模式 | 測量範圍 | 分辨力 | 準確度 |
電阻 | 0.010Ω-0.099Ω | 0.001Ω | ±（1%rdg＋0.01Ω） |
0.10Ω-0.99Ω | 0.01Ω | ±（1%rdg＋0.01Ω） | |
1.0Ω-49.9Ω | 0.1Ω | ±（1%rdg＋0.1Ω） | |
50.0Ω-99.5Ω | 0.5Ω | ±（1.5%rdg＋0.5Ω） | |
100Ω-199Ω | 1Ω | ±（2%rdg＋1Ω） |
| 電阻量程 | |
| 電阻分辯率 | 0.001Ω |
| 資料存儲 | 99組 |
| 按AL鍵開、關 | |
| 報警臨界值設定範圍 | 電阻：1-199Ω； |
| 電源 | 6VDC（4節5號鹼性乾電池） |
| 工作溫濕度 | -10℃-55℃；10%RH-90%RH |
| 液晶顯示器 | 4比特LCD數字顯示，長寬47mm×28.5mm |
| 鉗口尺寸 | 55mm×32mm |
| 鉗口張開尺寸 | 32mm |
| 鉗錶質量 | 約995g； |
| 钳表尺寸 | 长宽厚275mm×85mm×56mm |
| 保护等级 | 双重绝缘 |
| 结构特点 | 钳形CT |
| 换 档 | 全自动换档 |
| 外部磁场、电场 | ＜40A/m；＜1V/m |
| 单次测量时间 | 1秒 |
| 电阻测量频率 | ＞1KHz |
| 被测电流频率 | 50/60Hz自动 |
接地電阻測試儀 選型表
點擊“藍色”型號鏈接到產品詳細參數
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Technical Specification
Function | Ground resistance test, Loop resistance test |
Power Supply | 6VDC 4 PCS of AA Alkaline batteries(Rechargable) |
Resistance Range | 0.01-1500Ω |
Resistance Resolution | 0.001Ω |
Highest Resistance Accuracy | ±1%±0.01Ω |
Current Range | 0.00mA-40.0A |
Current Resolution | 0.05mA |
Highest Current Accuracy | ±2.5%±1mA |
| USB Interface | 1.5M USB Cable |
Data memory | 999 Sets |
| Working Current | ≤50mA |
| Start self inspection time | ≤1s |
| Clock Function | display hour,minute |
Alarm Threshold Setting Range | Resistance: 0-1500Ω,Current: 1-9999A |
Alarm Sound and Light | “Beep-beep-beep” alarm tone, Alarm Symbol Flashing, Press AL key to turn on, turn off Alarm or set Alarm Threshold. |
Interference Signal Recognition | “Beep-beep-beep” tone, NOISE symbol blinking |
| Auto Power Off | The instrument does not operate for 5 minutes, then flashes for 30seconds, and then automatically shuts down. |
Working Temperature and Humidity | -20℃-55℃；20％RH-90％RH(Please storge and Operate the instrument at its ranges) |
LCD Screen | 4 Digits LCD display, Screen L×W: 47mm×28.5mm |
Clamp Size | 65mm×32mm |
Clamp Opening Extent | 32mm |
Tester Weight | 1160g (With batteries) |
Clamp Dimension | L×W×T: 285mm×85mm×56mm |
Protection Level | Dual Insulation |
Structural Feature | Clamp CT |
Shifting | Automatic shifting |
External magnetic field | ＜40A/m |
External electrical field | ＜1V/m |
Single measurement time | 0.5 second |
Resistance measurement frequency | ＞1KHz |
Measured current frequency | 50/60Hz Automatic measurement |
Low Battery Indication | Low battery symbol displays when battery is lower then 5.3V |
Memory Full Indication | MEM symbol blinks when all 999 sets memory is full |
Over Range Indication | Out of range indication “OLΩ”, “L0.01” or “OL A” |
Power Consumption | Max 50mA either in booting up or normally working, Continuously working for 30 hours |
USB interface | The data stored in the meter are uploaded to the computer through USB interface and data wire, Then generate report files |
Safety Provisions | IEC1010-1, IEC1010-2-032, Pollution level 2, CAT Ⅲ(150V) |
Accessories | Meter: 1 piece, Test ring: 1 Piece, Meter Suitcase: 1 Piece |
Meter: 1 piece, Test ring: 1 Piece, Meter Suitcase: 1 Piece