Firmware V2.0 And Later - Fluke 71X Series Calibration Manual

Ohms Range
0 Ω to 400 Ω
400 Ω to 1.5 kΩ
1.5 kΩ to 3.2 kΩ
Allowable Excitation is for Output mode only. It shows the allowable excitation current from an ohmmeter or
RTD measurement device connected to the calibrator.
Excitation current from 712: 0.2 mA.
Maximum input voltage: 30 V
Resolution
RTD: 0.1 °C
Ohms: 0.1 Ω
Rev 1.3 or Later: < 400 Ω 0.01 Ω
Temperature Coefficient
0.005 % of ohms range per °C for temperature ranges –10 °C to 18 °C and 28 °C to
55 °C. Ohms ranges are 400 Ω, 1.5 kΩ, and 3.2 kΩ.

Firmware V2.0 and Later

RTD
Type
Ni 120
Pt 100 385
Pt 200 385
Pt 500 385
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Table 7. Ohms Specifications
Input Accuracy
4-Wire
±Ω
0.1
0.5
1
> 400 Ω 0.1 Ω
Table 8. RTD Specifications
Range ˚C
4-Wire
-80.0 to 260.0 0.20
-200.0 to 100.0 0.20
100.0 to 300.0 0.30
300.0 to 600.0 0.40
600.0 to 800.0 0.50
-200.0 to 100.0 0.80
100.0 to 300.0 0.90
300.0 to 630.0 1.00
-200.0 to 100.0 0.40
100.0 to 300.0 0.50
300.0 to 630.0 0.60
Fluke-Direct
Output
Allowable Excitation (mA)
Accuracy
±Ω
0.15
0.1
0.5
1
Accuracy (˚C) *
Input
2-Wire & 3-Wire
0.25 0.2
0.28 0.2
0.40 0.3
0.52 0.4
0.65 0.5
1.00 0.8
1.15 0.9
1.20 1.0
0.60 0.4
0.75 0.5
0.90 0.6
Process Calibrators
0.1 to 0.5
0.5 to 3.0
0.05 to 0.8
0.05 to 0.4
Allowable
Excitation (mA)
Source
0.1 to 3.0
0.1 to 3.0
0.05 to 0.8
0.05 to 0.8
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Specifications
9