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| 4234 ER Earth Resistance Testers
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FEATURES |
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 Auto ranging microprocessor controlled. |
| Earth testing at 2 Ohm, 20 Ohm, 200 Ohm, 2k Ohm. |
| Earth voltage measuring : 0~300V AC. |
| Automatic C spike check. |
| Automatic P spike check. |
| 2-Wire test. |
| 3-Wire test. |
| 4-Wire test. |
| LCM display. |
| Auto power OFF. |
| Data hold. |
| Robust, Compact and easy to carry. |
| CAT IV 300V, , |
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| SPECIFICATIONS |
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| Measuring Ranges |
Earth Resistance : 0-2 Ohm, 0-20 Ohm, 0-200 Ohm, 0-2k Ohm |
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Earth VOLTAGE : 0-300V AC |
| Accuracy |
Earth Resistance : +/- (2%rdg+/-3dgt) |
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Earth Voltage : +/- (2%rdg+/-3dgt) |
| Earth Resistance Resolution |
0-2 Ohm (0.01 Ohm) |
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0-20 Ohm (0.1 Ohm) |
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0-200 Ohm (1 Ohm) |
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0-2k Ohm (10 Ohm) |
| Temperature & Humidity |
Operating : 0 degree C ~ 50 degree C <=80% R.H. |
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Storage : -10 degree C ~ 60 degree C <=80% R.H. |
| Power Source |
1.5V (AA) x 8 |
| Dimensions |
250(L) x 190(W) x 110(D) mm |
| Weight |
Approx. 1430g (battery included) |
| Accessories |
Test leads (red-15m, black-10m, yellow-10m, green-5m) |
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Auxiliary earth bars |
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Carrying case |
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Instruction manual |
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batteries |
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| 特 點(diǎn) |
● 微處理器系統(tǒng)控制設(shè)計(jì)，內(nèi)建自動(dòng)消除線組，準(zhǔn)確度高，KK度高。
● 可作接地電阻和接地電壓量測。
● 自動(dòng)作電流的檢查。
● 自動(dòng)作電壓的檢查。
● 可作二線式、三線式和四線式的接地電阻量測。
● 採用16(字)X2(行)的液晶顯示器。
● 自動(dòng)換檔功能。
● 讀值鎖定功能。
● 自動(dòng)關(guān)機(jī)。
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CAT IV 300V
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| 規(guī) 格 (23°C±5°C ＜80%R.H.) |
| 量測範(fàn)圍及檔位 |
接地電阻:
0~2Ω/0~20Ω/0~200Ω/0~2kΩ
接地電壓 : 0~300VAC |
| 準(zhǔn)確度 |
接地電阻
±(2%讀值+3位數(shù))
接地電壓
±(2%讀值+3位數(shù)) |
| 接地電阻解析度 |
0-2 : 0.01
0-20 : 0.1
0-200 : 1
0-2kΩ : 10Ω |
| 操作溫溼度 |
0°C~40°C Z大相對溼度80% |
| 儲(chǔ)存溫溼度 |
-10°C~50°C Z大相對溼度80% |
| 外型尺寸 |
250(長)×190(寬)×110(高)mm |
| 重量 |
約1430克(含電池) |
| 使用電池 |
1.5V(AA)乾電池×8(顆) |
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