Dc ma measurement and source, Ohms measurement, Ohms source – Fluke 725 User Manual
Page 67: Frequency measurement

Specifications
57
DC mA Measurement and Source
Range
Resolution
Accuracy,
(% of Reading + Counts)
24 mA
0.001 mA
0.02 % + 2
Temperature coefficient -10
°
C to 18
°
C, +28
°
C to
55
°
C:
±
0.005 % of range per
°
C
Drive capability: 1000
Ω
at 20 mA
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
Temperature coefficient -10
°
C to 18
°
C, +28
°
C to
55
°
C:
±
0.005 % of range per
°
C
Excitation Current: 0.2 mA
Maximum input voltage: 30 V
* 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
Temperature coefficient -10
°
C to 18
°
C, +28
°
C to
55
°
C:
±
0.005 % of resistance range per
°
C
Resolution
15 to 400
Ω
0.1
Ω
400 to 3.2 k
Ω
1
Ω
Frequency Measurement
Range
Resolution
Accuracy
2.0 to 1000.0 CPM 0.1 CPM
±
(0.05 % + 1 count)
1 to 1000 Hz
0.1 Hz
±
(0.05 % + 1 count)
1.0 to 10.0 kHz
0.01 kHz
±
(0.05 % + 1 count)
Sensitivity: 1V peak-to-peak minimum
Waveform: squarewave