Tonghui TH1942, Руководство по эксплуатации

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68
DC Current
Rate Range Resolution
Full Scale
Reading
Accuracy
(1 year)
Burden Voltage
(1)
& Shunt Resistor
Slow
5.0000mA
50.000mA
500.00m A
5.0000 A
20.000A
0.1 μA
1μA
10μA
100A
1mA
5.1000
51.000
510.00
5.1000
21.000
(3)
0.05
%
+0.01
%
(2)
0.05
%
+0.008
%
(2)
0.05
%
+0.008
%
0.25
%
+0.01
%
0.25
%
+0.01
%
<0.6V / 100Ω
<0.06
V / 1Ω
<0.6
V / 1Ω
<0.1
V / 10mΩ
<0.6V / 10mΩ
(1)
Typical voltage across the input terminals at full scale reading.
(2)
Use REL function
(3)
In 20A range,>10~20Adc is readable for 20 seconds maximum
Maximum Input and Overload Current Protection: 1A/ 250V fuse.
AC Current (True RMS, AC Coupling)
ACCURACY: ±
（
% of r % of range
），
23
℃
±5
℃。
Rate Range
Accuracy(1 year)
(1)
23
℃
±5
℃
20~50 Hz 50~2kHz 2~20kHz
Slow
5.0000mA
50.000 mA
500.00m A
5.0000A
20.000A
1.5
%
+0.16
%
1.5
%
+0.16
%
1.5
%
+0.16
%
2.0
%
+0.16
%
2.0
%
+0.16
%
0.5
%
+0.08
%
0.5
%
+0.08
%
0.5
%
+0.08
%
0.5
%
+0.1
%
0.5
%
+0.1
%
2
%
+0.16
%
2
%
+0.12
%
2
%
+0.12
%
------
------
(1)
Specifications are for SLOW rate and sinewave inputs >5% of
range.
In 20A range,>10~20Aac is readable for 20 seconds maximum
Measurement method: True RMS measurement
Maximum Crest factor: 3.0 at full scale
Maximum Input and Overload Current Protection: 1A/ 250V fuse.
Rate Range Resolution
Full Scale
Reading
Burden Voltage
/ shunt Resistor
Slow
5.0000mA
50.000 mA
500.00m A
5.0000A
20.000A
0.1 μA
10 μA
1
00 μA
1mA
10mA
5.1000
51.000
510.00
5.1000
21.000
(2)
<0.6V / 100Ω
<0.06
V / 1Ω
<0.6
V / 1Ω
<0.1
V / 10mΩ
<0.6V / 10mΩ
(1)
Typical voltage across the input terminals at full scale reading.
(2)
In 20A range,>10~20Aac is readable for 20 seconds maximum