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71X Series
Calibration Manual
Firmware 2.0 and Later
Input impedance: 1 MΩ (nominal), < 100 pF
Overvoltage protection: fuseless
Voltage drive capability: 1 mA
Overload protection: fuseless
Temperature Coefficient
0.005 % of ohms range per °C for temperature ranges – 10 °C to 18 °C and 28 °C to
55 °C
Source mode
Compliance: 1000 Ω at 20 mA for battery voltage ≥ 6.8 V (700 Ω at 20 mA for battery
voltage 5.8 to 6.8 V)
Simulate mode
External loop voltage requirement: 24 V nominal, 30 V maximum, 12 V minimum
Loop Power
24 V Nominal
14
Table 17. 715 DC V Input and Output
Range
200 mV
20 V output
25 V input
Table 18. 715 DC mA Input and Output
Range
24 mA
Resolution
0.01 mV
0.001 V
Resolution
0.001 mA
Accuracy,
± (% of Reading + Counts)
0.015 % + 2
0.01 % + 2
Accuracy,
± (% of Reading + Counts)
0.01 % + 2
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