Multimetru masurare priza de pamant Clamp UNI-T UT278A impamantare PRAM

Clamp Earth Ground Tester UNI-T UT278A
Clamp Earth Ground Tester UNI-T UT278A

TECHNICAL SPECIFICATION
Earth Ground Resistance (?)
0.01?-0.099? ?(1%+0.01)
0.1?-0.99? ?(1%+0.01)
1.0?-49.9? ?(1%+0.1)
50?-99.5? ?(2%+0.5)
100?-199? ?(3%+1)
200?-395? ?(6%+5)
400?-590? ?(10%+10)
600?-800? ?(20%+20)
800?-1200? ?(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
Auto Range ?
Jaw Capacity 32mm
Single Measure Time 1s
Resistance Measurement Frequency ?1KHz ?
Current Measurement Frequency 50Hz/60Hz ?
Resistance Limit Alarm 1?-199? ?
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 X4
LCD Size: 47mm X 28.5mm
Product Weight 1160g
Product Size 285mm X 85mm X 56mm

ACCESSORIES
Batteries, Test Ring, Tool Box

MANUFACTURER
UNI-TREND

Manual de utilizare

https://www.uni-trend.com/uploadfile/cloud/English%20manual/General%20Meters/UT276A%20UT278A%20English%20Manual.pdf