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_____________________________________________________________________
Remarks:
z Overload Protection: 1000V.
z Display:
a)
True rms are valid from 10% of range to 100% of range
b) AC crest factor can be up to 3.0 except 1000V where it is 1.5.
c)
A residual reading of 80 digits with test leads shorted, will not affect stated
accuracy.
d)
When frequency is lower than 100kHz, the accuracy guarantee range
10%-100%.
e)
When making AC+DC measurment, the accuray need to add (1%+ 35 digits)
of reading based on the above table.
C. DC Current
Ran
Resolution
ge
200 A
0.01 A
2000 A
0.1 A
20mA 0.001mA
200mA 0.01mA
10A
0.001A
Remarks:
At 10A range:
z When the measured current is ≤ 5A, continuous measurement is allowed.
z When the measured current is between 5A-10A, continuous measurement ≤ 10
seconds and interval more than 15 minutes.
D. AC Current (AC+DC measurement is available)
Resoluti
Range
on
200 A
0.01 A 45Hz~1k
2000 A
0.1 A
20mA 0.001mA
200mA 0.01mA
10A
0.001A
Remarks:
z Display:
a)
True rms are valid from 10% of range to 100% of range
b) AC crest factor can be up to 3.0.
©Copyright Abacanto Digital SA.
Accuracy
UT71A
UT71B
±(0.2%+20) ±(0.15%+20)
±(0.8%+30) ±(0.7%+30) 10A, 250V,
Bandwid
Accuracy
th
UT71A
±(1%+
Hz
15)
1kHz~10k
±(2%+40
Hz
)
45Hz~1k
±(2%+
Hz
20)
1kHz~10k
±(6%+
Hz
40)
Manual de usuario AD71B
Overload
Protectio
n
0.5A, 250V,
fast type
fuse,
ø5×20mm
fast type
fuse,
ø5×20mm
Overload
UT71B
Protection
±(0.8
0.5A, 250V, fast
%+15)
type fuse,
±(1.5%+
ø5×20mm
40)
±(2%+
20)
10A, 250V, fast type
±(6%+
fuse, ø5×20mm
40)
AD Instruments
70
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