Major tech MT760 Руководство по эксплуатации - Страница 14
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6. DCA measurement
Range
2.000A
20.00A
100.0A
Overload protection 100A
As external electromagnetic field such as the earth exists, to ensure
accuracy of measurement reading, press ZERO key before
measurement to make readings be zero. If it is not zero after one
press, press it for several times until reading is zero. Direction of
meter during measurement should be the same as when it is in zero
as much as possible.
7 .ACA measurement
Range
2.000A
20.00A
100.0A
Overload protection 100A
• Accuracy warranty coverage: 5~100% range, 2A open circuit
allows <20 residue readings.
• Displays are true valid value. Frequency response: 50~60Hz.
• Non-sinusoidal wave counts add error by crest factor:
a) When crest factor is 1~2: Add 3%.
b) When crest factor is 2~2.5: Add 5%.
c) When crest factor is 2.5~3: Add 7%.
14
Resolution
1mA
10mA
100mA
Resolution
Accuracy
1mA
±(3%+10) V.F.C mode: ± (4.0%+10)
10mA
±(2. 5%+8) V.F.C mode: ± (4.0%+10)
100mA
±(2.5%+5) V.F.C mode: ± (4.0%+10)
Accuracy
± (2%+8)
± (2%+3)
± (2%+3)