ОПИСАНИЕ
1. 10000 показаний дисплея
2. Разрешение 0,001 Ом
3. Автодиапазон
4. Сохранение данных
5. Тревога предела сопротивления
6. Автоматическая калибровка
7. Автоматическое отключение питания
8. ЖК-подсветка
ТЕХНИЧЕСКИЕ ХАРАКТЕРИСТИКИ
|
Specifications
|
Range
|
Accuracy
|
|
Model
|
|
UT278A
|
|
Earth Ground Resistance (Ω)
|
0.01Ω-0.099Ω
|
±(1%+0.01)
|
|
0.1Ω-0.99Ω
|
±(1%+0.01)
|
|
1.0Ω-49.9Ω
|
±(1%+0.1)
|
|
50Ω-99.5Ω
|
±(2%+0.5)
|
|
100Ω-199Ω
|
±(3%+1)
|
|
200Ω-395Ω
|
±(6%+5)
|
|
400Ω-590Ω
|
±(10%+10)
|
|
600Ω-800Ω
|
±(20%+20)
|
|
800Ω-1200Ω
|
±(25%+30)
|
|
Leakage Current (A)
|
0mA-9mA
|
±(2.5%+1)
|
|
10mA-99mA
|
±(2.5%+5)
|
|
100mA-299mA
|
±(2.5%+10)
|
|
0.30A-2.99A
|
±(2.5%+0.1)
|
|
3.0A-9.9A
|
±(2.5%+0.3)
|
|
10.0A-20.0A
|
±(2.5%+0.5)
|
|
3A-30A
|
±(2.5%+0.5)
|
|
Features
|
|
Display Count
|
4 bit LCD digital display
|
√
|
|
Auto Range
|
|
√
|
|
Jaw Capacity
|
|
32mm
|
|
Single Measure Time
|
1s
|
√
|
|
Resistance Measurement Frequency
|
＞1kHz
|
√
|
|
Current Measurement Frequency
|
50Hz/60Hz
|
√
|
|
Resistance Limit Alarm
|
1Ω-199Ω
|
√
|
|
Current Limit Alarm
|
1mA-499mA
|
√
|
|
RS-232
|
|
√
|
|
Beeper and Light Alarm
|
|
√
|
|
Jamming Signal Recognition
|
|
√
|
|
Over-Range Display
|
|
√
|
|
Low Battery Indication
|
|
√
|
|
Data Logging
|
|
99
|
|
General Characteristics
|
|
Power
|
1.5V Alkaline Battery (5#) X4
|
|
LCD Size
|
47mm X 28.5mm
|
|
Product Color
|
Red and grey
|
|
Product Weight
|
1160g
|
|
Product Size
|
285mm X 85mm X 56mm
|
|
Standard Accessories
|
Batteries, Test Ring, Tool Box
|
|
Standard Individual Packing
|
Gift Box, User Manual
|
КОМПЛЕКТАЦИЯ
Test Ring, Tool Box
UT273
UT275
UT278A
UT276A
Измерители сопротивления заземления (PM)