Fluke 724 Fluke 724 Users Manual - Page 50
Ohms Measurement, Ohms Source, Excitation Current - accuracy
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724 Users Manual Ohms Measurement Accuracy ± Ω Ohms Range 4-Wire 2- and 3-Wire* 0 to 400 Ω 0.1 0.15 400 to 1.5 kΩ 0.5 1.0 1.5 to 3.2 kΩ 1 1.5 Excitation Current: 0.2 mA Maximum input voltage: 30 V Temperature coefficient -10 °C to 18 °C, +28 °C to 55 °C: ± 0.005 % of range per °C * 2-wire: Does not include lead resistance. 3-wire: Assumes matched leads with a total resistance not exceeding 100 Ω. Ohms Source Excitation Current from Accuracy Ohms Range Measurement Device ± Ω 15 to 400 Ω 0.15 to 0.5 mA 0.15 15 to 400 Ω 0.5 to 2 mA 0.1 400 to 1.5 kΩ 0.05 to 0.8 mA 0.5 1.5 to 3.2 kΩ 0.05 to 0.4 mA 1 Resolution 15 to 400 Ω 400 to 3.2 kΩ 0.1 Ω 1 Ω Temperature coefficient -10 °C to 18 °C, +28 °C to 55 °C: ± 0.005 % of resistance range per °C 40
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724
Users Manual
40
Ohms Measurement
Accuracy
±
Ω
Ohms Range
4-Wire
2- and 3-Wire*
0 to 400
Ω
0.1
0.15
400 to 1.5 k
Ω
0.5
1.0
1.5 to 3.2 k
Ω
1
1.5
Excitation Current:
0.2 mA
Maximum input voltage:
30 V
Temperature coefficient -10
°
C to 18
°
C, +28
°
C to
55
°
C:
±
0.005 % of range per
°
C
*
2-wire: Does not include lead resistance.
3-wire: Assumes matched leads with a total resistance
not exceeding 100
Ω
.
Ohms Source
Ohms Range
Excitation Current from
Measurement Device
Accuracy
±
Ω
15
to 400
Ω
0.15 to 0.5 mA
0.15
15 to 400
Ω
0.5 to 2 mA
0.1
400 to 1.5 k
Ω
0.05 to 0.8 mA
0.5
1.5 to 3.2 k
Ω
0.05 to 0.4 mA
1
Resolution
15 to 400
Ω
0.1
Ω
400 to 3.2 k
Ω
1
Ω
Temperature coefficient -10
°
C to 18
°
C, +28
°
C to
55
°
C:
±
0.005 % of resistance range per
°
C