ОПИСАНИЕ
UT257A Токовые клещи с большим зевом
1. Зажимной болт
2. Автоматический диапазон, частота дискретизации 2 / с
3. Пиковый тест
4. Ручной выбор / проверка данных
5. Интерфейс RS-232
6. Сохранение данных
7. Автоматическое отключение питания
8. Защита от перегрузки, индикация низкого заряда батареи
ТЕХНИЧЕСКИЕ ХАРАКТЕРИСТИКИ
|
General Functions |
Range |
|
Accuracy |
|
Type |
|
UT257A |
|
|
Leakage Current and Current (A) |
Range |
0.0mA～499A |
±(2%+5) |
|
500A～999A |
±(3%+5) |
||
|
1000A～2999A |
±(4%+5) |
||
|
Resolution |
0.1mA |
||
|
Test Range |
AC 0.0mA～3200A |
√ |
|
|
Special Functions |
|||
|
Display Mode |
4-bit LCD digital display |
√ |
|
|
Jaw Size |
108mm×148mm (can clamp φ108mm wires, or 160mm×4mm flat-steel ground wires) |
√ |
|
|
Auto Range |
|
√ |
|
|
RS-232 Data Transmission |
|
√ |
|
|
Data Storage |
|
99 groups |
|
|
LCD Backlight |
|
√ |
|
|
Data Hold |
|
√ |
|
|
Overload Indication |
OL |
√ |
|
|
Auto Power-off |
5 mins |
√ |
|
|
Low Battery Indication |
≤5.2V |
√ |
|
|
Test Type |
Clamp CT, integration method |
√ |
|
|
General Characteristics |
|||
|
Power Supply |
6V DC LR6 Alkaline dry battery×4 |
||
|
LCD Size |
47mm×28.5mm |
||
|
Product Color |
Red and grey |
||
|
Product Weight |
1.5kg (with batteries) |
||
|
Product Size |
350mm×180mm×55mm |
||
|
Standard Accessories |
Batteries, RS232 data cable, PC software CD, toolbox |
||
|
Standard Package |
Gift box, user manual, toolbox |
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