Uni-T UT278A Bruksanvisning
Uni-T
Mätutrustning
UT278A
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UT270 Series Clamp Earth Ground Testers
Gift box, English manual
Batteries, test ring, tool box
UT273/UT275: 5pcs; 6pcsUT276A/UT278A :
UT273/UT275: 510mm x 375mm x 320mm; UT276A/UT278A: 610mm x 375mm x 320mm
GENERAL CHARACTERISTICS
Power
Product net weight
Product color
LCD size
Product size
Standard accessories
Standard individual packing
Standard quantity per carton
Standard carton measurement
Standard carton gross weight
Optional accessories
Red and grey
1.5V battery (LR6) x 4
UT273/UT275: UT276A/UT278A: 1320g; 1160g
UT273/UT275: 15.2kg; UT276A/UT278A: 18kg
UT276A/UT278A: RS-232 interface cable, PC software CD
UT273/UT275: 293mm x 90mm x 66mm; UT276A/UT278A: 285mm x 85mm x 56mm
47mm x 28.5mm
Earth Ground Resistance (Ω)
Leakage current (A)
Display count
Jaw opening
Single measurement time
Current limit alarm
Auto power off
Visual and audible alarm
Over-range display
Data storage
Jamming signal recognition
RS-232
Current measurement
frequency
Resistance measurement
frequency
0.01~0.099Ω
0.1~0.99Ω
1~49.9Ω
50~99.5Ω
100~199Ω
200~395Ω
400~590Ω
600~800Ω
600~1000Ω
800~1200Ω
0m 9mAA~
10mA~99mA
100mA~299mA
0mA~299mA
0.3A~2.99A
3A~9.9A
10A~20A
3A~30A
±(1%+0.01)
±(1%+0.01)
±(1.5%+0.1)
±(2%+0.5)
±(3%+1)
±(10%+5)
±(20%+
10)
±(25%+20)
10000
28mm
＞1kHz
1 second
1mA~499mA
50Hz/60Hz
28mm 32mm 32mm
30 30 99 99
10000 4 digits LCD display
±(1%+0.01)
±(1%+0.01)
±(1.5%+0.1)
±(2%+0.5)
±(3%+1)
±(10%+5)
±(20%+10)
±(25%+20)
±(2.5%+2mA)
±(2.5%+100mA)
±(2.5%+300mA)
±(1%+0.01)
±(1%+0.01)
±(1%+0.1)
±(2%+0.5)
±(3%+1)
±(6%+5)
±(10%+10)
±(20%+20)
±(25%+30)
±(1%+0.01)
±(1%+0.01)
±(1%+0.1)
±(2%+0.5)
±(3%+1)
±(6%+5)
±(10%+10)
±(20%+20)
±(25%+30)
±(2.5%+1mA)
±(2.5%+5mA)
±(2.5%+10mA)
±(2.5%+0.1A)
±(2.5%+0.3A)
±(2.5%+0.5
A)
±(2.5%+0.5A)
Range UT273 UT275 UT276A UT278A
SPECIFICATIONS
Features
UT278A
● Resistance limit alarm
● Auto range
● Low battery indication
● Data hold (
UT273/275)
● Data recall (
UT273/275)
● LCD backlight (
UT273/275)
● Auto calibration (
UT273/275)
UT270 series can quickly and
safely measure the grounding
system without disconnecting
circuit ground lines or the
need of auxiliary electrodes.
It can measure resistance
from 0.01Ω with a resolution
of 0.001Ω. UT275 can also
measure leakage current up
to 30A. These clamps’double
insulation design makes them
durable tools for outdoor
work and effective in blocking
interference signals from the
environment.
88
Produktspecifikationer
| Varumärke: | Uni-T |
| Kategori: | Mätutrustning |
| Modell: | UT278A |
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