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MET-2鉗形接地電阻測試儀@MET-2%
●交流電流（線電流，漏電電流）測試功能|
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電流檢出用CT
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注入用CT
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鉗口直徑
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Φ34mm（分割型）
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Φ34mm（分割型）
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耐電壓
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AC3700V/1分鐘，（CT金屬部分～把柄）
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AC3700V/1分鐘，（CT金屬部分～把柄）
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引線長度
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2.5mm
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2.5m
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尺寸/重量
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90.5（W）×165（H）×38（D）mm，約460g
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90.5（W）×165（H）×38（D）mm,約440g
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輸入頻率
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4kHz～200kHz(自動掃描）
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輸入波形
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正弦波
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輸入強度
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約32mVp-p
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測試功能
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接地電阻，交流電流（線電流，漏電電流）
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測試方式
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鉗形CT
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測試范圍
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接地電阻：0～10Ω/300Ω（最小分辨率0.01Ω）
交流電流：0～20mA/2A/20A（最小分辨率0.1mA） |
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精度
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（23℃±5℃，80%RH以下時）
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接地電阻
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量程
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分辨率
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精度
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10Ω
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0.01Ω
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0.1～1Ω±0.1Ω
1～10Ω±0.5Ω |
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300Ω
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0.1Ω
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10～50Ω±0.2Ω |
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AC交流電流
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200mA
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0.1mA
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3%rdg±8dgt
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2000mA，20A
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1mA
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2%rdg±8dgt
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電源
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Ni-Cd充電電池（1.2V×5）
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測試路線電壓
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AC500V以下
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工作溫濕度
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0～40℃，80%RH以下（但以不結露為準）
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保存溫濕度
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-10～60℃，75%RH以下（但以不結露為準）
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耐電壓
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AC3700V/1分鐘（鐵芯～把手盒之間）
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絕緣電阻
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100MΩ（DC500V兆歐表測試）50MΩ（DC500V兆歐表測試）（鐵芯～把手盒之間）
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耗電流
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測試接地電阻時，380mA
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電池壽命
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充分充電時，可測試400回，但根據充電次數的增加，壽命變化
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尺寸/重量
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190（W）×140（H）×42（D）mm，約800g
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附屬品
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攜帶用CASE；檢出用CT；注入用CT；使用說明書；
充電器HETA-10C（輸入：AC220V、輸出：DC10V，340mA） |
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可選品
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末端注入（TerminalInjection)用補足引線（MET-LE）一套（黑紅）
插座檢測器MET-CH |
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交流變換方式
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平均值整流（有效值換算）
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A/D變換方式
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二重積分方式
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顯示
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16mm夜晶，2行文字顯示，明暗調整鍵
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采樣速度
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測試交流電流時，約2次/秒
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測試時間
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測試接地電阻時，約30秒
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益出顯示
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"OVER"標志
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電池電壓
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電壓不足時，"B"標志顯示
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數據保持
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測試交流電流時，可利用數據保持鍵保持測試數據
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電源自動關閉功能
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最后鍵盤操作，約過5分鐘，電源自動關閉
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存儲功能
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最多將存儲400個數據
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MET-2 clip on earth resistance tester @MET-2%
● alternating current (line current, leakage current) test function
In accordance with IEC1010-2CAT 600V standard
● ultra high voltage, high voltage electrical equipment box, irongrounding resistance
● lightning grounding resistance
The transmitter two circuit grounding resistance with the extra high voltage measurement
The B, C, D grounding resistance
● equipotential shielding grounding confirm conductor
● multiple monopolar grounding resistance
Current detection using CT with CT injection
Jaw with a diameter of 34mm (split) with 34mm (split)
High voltage AC3700V/1 minutes, (CT metal part to handle (CT) for AC3700V/1 minutes, the metal part to handle)
Lead length 2.5mm 2.5m
Size / weight 90.5 (W) * 165 (H) * 38 (D) mm, 460g 90.5 (W) * 165 (H) * 38 (D) mm, about 440G
The input frequency of 4kHz ~ 200kHz (automatic scanning)
The input waveform sine wave
The input strength of about 32mVp-p
Test function of grounding resistance, alternating current (line current,leakage current)
Test Method on CT
The scope of testing grounding resistance: 0 to 10 Ω /300 Ω (minimum resolution 0.01
Alternating current: 0 ~ 20mA/2A/20A (resolution 0.1mA)
Precision (23 ℃± 5 ℃, below 80%RH)
Grounding resistance range resolution accuracy
10 Omega 0.01 Omega 0.1 ~ 1 ± 0.1.
1 ~ 10 ± 0.5.
300 Omega 0.1 Omega 10 ~ 50 ± 0.2.
50 ~ 150 ± 5.
150 ~ 200 ± 20.
200 ~ 300 ± 30.
AC 200mA 0.1mA 3%rdg ± 8dgt alternating current
2000mA, 20A 1mA 2%rdg ± 8dgt
Power Ni-Cd battery (1.2V * 5)
Test line voltage below AC500V
Working temperature 0 ～ 40 ℃, 80%RH (but not dew.)
Storage temperature and humidity -10 ~ 60 ℃, 75%RH (but not dew.)
High voltage AC3700V/1 minutes (between the iron core to handle box)
Insulation resistance (100M Ω DC500V megohmmeter test) 50M Ω(DC500V megger test) (between the iron core to handle bo
Current consumption of ground resistance measurement, 380mA
Battery life is fully charged, can test 400 times, but according to theincrease of charging times, life change
Size / weight 190 (W) * 140 (H) * 42 (D) mm, about 800g
Accessories carried by CASE; detection with CT injection by CT;instructions for use;
Charger HETA-10C (input, output: AC220V: DC10V, 340mA)
Selection of end injection (TerminalInjection) with make up the lead(MET-LE) a (Hei Hong)
Socket tester MET-CH
AC conversion mode rectifier (mean effective value conversion)
A/D transform and double integral method
Display 16mm crystal night, 2 lines of text display, brightness adjustmentbutton
The sampling speed test AC current, about 2 times per second
The test time of ground resistance measurement, about 30 seconds
Yi showed signs of "OVER"
The voltage of the battery voltage is low, "B" logo show
Data retention test AC current, available data remain key to maintain the test data
Automatic shutdown function finally keyboard operation power, about 5minutes, power off automatically
Storage function up to store 400 data
