Справочник Пользователя для Fluke Fluke 4325181
Модели
4325181
1625-2
Users Manual
44
Measuring
Range
Display Range
Resolution
Accuracy
Operating Error
0.020
Ω
…300 k
Ω
0.001
Ω
...2.999
Ω
0.001
Ω
3.00
Ω
...29.99
Ω
0.01
Ω
30.0
Ω…
299.9
Ω
0.1
Ω
± (2 % of rdg +2 digit)
± (5% of rdg +5 digit)
0.300 k
Ω…
2.999 k
Ω
1
Ω
3.00 k
Ω…
29.99 k
Ω
10
Ω
30.0 k
Ω…
299.9 k
Ω
100
Ω
Measuring time:
typical 8 seconds with a fixed frequency
30 seconds maximum with AFC and complete cycle of all
measuring frequencies
measuring frequencies
Additional error because of probe
and auxiliary earth electrode
resistance:
and auxiliary earth electrode
resistance:
digits
R
R
R
E
S
H
5
%
10
25
.
1
)
2000
(
6
+
×
×
Ω
+
−
Measuring error of RH and RS:
typical 10 % of
H
s
E
R
R
R
+
+
Maximum probe resistance:
≤1 M
Ω
Maximum auxiliary earth electrode
resistance:
resistance:
≤1 M
Ω
If after a measurement of probe, auxiliary earth electrode, and earthing resistance, a
measurement error of higher than 30 % is assumed because of the influencing conditions, the
display shows a warning symbol and a notice that R
measurement error of higher than 30 % is assumed because of the influencing conditions, the
display shows a warning symbol and a notice that R
S
or R
H
are too high.
R
H
with Umeas = 48 V
R
H
with Umeas = 20 V
Resolution
<300
Ω
<250
Ω
1
m
Ω
<6 k
Ω
<2.5
k
Ω
10
m
Ω
<60 k
Ω
<25
k
Ω
100
m
Ω
<600 k
Ω
<250
k
Ω
1
Ω