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

Input Accuracy
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
Range ˚C
Type
Ni 120 -80.0 to 260.0
Pt 100 385 -200.0 to 100.0
100.0 to 300.0
300.0 to 600.0
600.0 to 800.0
Pt 200 385 -200.0 to 100.0
100.0 to 300.0
300.0 to 630.0
Pt 500 385 -200.0 to 100.0
100.0 to 300.0
300.0 to 630.0
Table 7. Ohms Specifications
Output
4-Wire Accuracy
±Ω ±Ω
0.1 0.15
0.1
0.5 0.5
1 1
> 400 Ω 0.1 Ω
Table 8. RTD Specifications
Accuracy (˚C) *
Input
4-Wire
0.20
0.20
0.30
0.40
0.50
0.80
0.90
1.00
0.40
0.50
0.60
Allowable Excitation (mA)
Source
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)
0.1 to 3.0
0.1 to 3.0
0.05 to 0.8
0.05 to 0.8
Specifications
9