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4112 EL ELCB Testers
Up To 500mA
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FEATURES |
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2 Lines x 16 Characters L.C.D. |
Very low consumption. |
Microprocessor controlled. |
Menu Driven. |
Accurate digital readout of disconnection time. |
Automatic data hold function. |
Zero crossing circuitry permit testing at 0 degree or 180 degree. |
Disconnection phase polarity shown on L.C.D. display. |
Auto-off and Off override. |
Polarity trip indicator (positive or negative phase). |
Wiring polarity indicator. |
Measure voltage between line and earth before testing. |
CAT III 300V. |
Indicates frequency of voltage L-E. |
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SPECIFICATIONS |
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Current Settings |
3mA, 5mA, 7mA, 10mA, 15mA, 20mA, 30mA, 35mA, 50mA, 100mA, 125mA, 150mA, 175mA, 250mA, 300mA, 375mA, 500mA |
Current Selection |
Rotary switch selector |
Phase Start Selection 0 degree and 180 degree |
Referenced to Earth Yes |
Over-temperature Protection |
Yes |
Wiring Correctness Indication |
Yes |
Trip Indicator |
Yes |
Phase Polarity Trip Indicator |
Yes |
Operating Voltage (L-E) |
Referenced to Earth 240Vac - 50Hz or 60Hz Voltage Model (Vac) |
Timer Resolution |
1mS (max time = 19.99s) |
Timer Accuracy |
1mS +/- 1mS |
Current Accuracy |
+/- 5% +/-1mA |
Operating Temperature |
-5 degree C to 45 degree C |
Storage Temperature |
-10 degree C to 85 degrcc C |
Power Source |
1.5V (AA) x 8 batteries, Bat OK Led = Vbat > 7.5V |
Dimensions |
250(L) x 190(W) x 110(D) mm |
Weight |
Approx. 1500g (battery included) |
Accessories |
Test leads, shoulder belt, Instruction manual, batteries |
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特 點 |
● 微處理器系統控制設計。
● 操作電壓110-450V(L-E)。
● 檢查核對斷路器跳脫時間和跳脫電流。
● 可選擇相位(0度和180度)。
● 自動換檔。
● 自動關機。
● 過熱保護。
● 可供重工業設備量測。
● 保險絲保護設計。
● 符合EN 61010-1 CAT Ⅲ 300V
EN 61326-1 |
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規 格 (23°C±5°C <80%R.H.) |
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