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25
8.3 Resistance Measurement
Range
Maximum
measurement
range
Resolution
Accuracy (Ω)
ETX-1810
ETX-2010
2-wire,
3-wire
4-wire
2-wire,
3-wire
4-wire
400Ω
0
~
440Ω
0.01Ω
0.25
0.15
0.15
0.10
3200Ω
420Ω
~
3600Ω
0.1Ω
1.5
1.0
1.0
0.5
-10
℃~
18
℃,
+28
℃~
55
℃
temperature coefficient,±0.005%FS/
℃
.
Exciting current during measurement:
400Ω
:
1.0mA±10%;
3200Ω
:
0.2mA±10%;
Two-wire: Conductor resistance is excluded from errors.
Three-wire: Matching test line should be used. The total resistance of conductor should not be larger
than
25
Ω.
8.4 Resistance Output
Range
Maximum
output range
Resolution
External exciting
current
Accuracy (Ω)
ETX-1810
ETX-2010
400Ω
0
~
440Ω
0.01Ω
0.4mA
~
4.0mA
0.25
0.15
3200Ω
400
~
3600Ω
0.1Ω
0.1mA
~
0.5mA
1.0
0.50
-10
℃~
18
℃,
+28
℃~
55
℃
temperature coefficient,±0.005%FS/
℃
.