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8 Specifications
Specifications are based on a one year calibration cycle and apply from +18℃ to
+28 ℃ unless stated otherwise. All specifications assume a 10 minute warmup period.
8.1 DC Voltage Measurement
Range
30V
-10 ℃～ 18 ℃， +28 ℃～ 55 ℃ temperature coefficient,±0.005%FS/ ℃ .
Input resistance: ＞ 1MΩ.
8.2 Resistance Measurement
Maximum
Range
measurement
range
400Ω
0～440Ω
3200Ω
420Ω～3600Ω
-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 25Ω.
Maximum
measurement range
0V～31V
Resolution
0.01Ω
0.1Ω
Accuracy (% of reading + Count)
Resolution
ETX-1812
0.001V
0.05+2
Accuracy (Ω)
ETX-1812
2-wire,
4-wire
3-wire
0.25
0.15
1.5
1.0
ETX-2012
0.02+2
ETX-2012
2-wire,
4-wire
3-wire
0.15
0.10
1.0
0.5
17
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