UNI-T UT278A 土地钳形表 (0.01~1200Ω)
制造商: UNI-T Model: UT278A 来源: China 保障: 12 Month - 报价要求
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Earth Ground Resistance (Ω):
+ 0.01~0.099Ω ±(1%+0.01)
+ 0.1~0.99Ω ±(1%+0.01)
+ 1~49.9Ω ±(1%+0.1)
+ 50~99.5Ω ±(2%+0.5)
+ 100~199Ω ±(3%+1)
+ 200~395Ω ±(6%+5)
+ 400~590Ω ±(10%+10)
+ 600~800Ω ±(20%+20)
+ 800~1200Ω ±(25%+30)
Leakage current (A):
+ 0mA~9mA ±(2.5%+1mA)
+ 10mA~99mA ±(2.5%+5mA)
+ 100mA~299mA ±(2.5%+10mA)
+ 0.3A~2.99A ±(2.5%+0.1A)
+ 3A~9.9A ±(2.5%+0.3A)
+ 10A~20A ±(2.5%+0.5A)
+ 3A~30A ±(2.5%+0.5A)
Power: 1.5V battery (LR6) x 4
Display: 47mm x 28.5mm
Product color: Red and grey
Product net weight: 1160g
Product size: 285mm x 85mm x 56mm
Standard accessories: Batteries, test ring, tool box
Features:
Jaw opening: 32mm
Auto power off: No
Data storage: 99
Resistance measurement frequency: >1kHz
Single measurement time :1 second
Current limit alarm: 1mA~499mA
Current measurement frequency: 50Hz/60Hz
RS-232: Yes
Visual and audible alarm: Yes
Over-range display: Yes
Jamming signal recognition: Yes
Data storage: 99
Category ratings: CAT III 300V
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