71X Series
Calibration Manual
14
715 Specifications
715 Calibrator specifications vary based on the version of the instrument. To display the
firmware version for your instrument, start with the 715 off, press and hold {, then
press the power button. Find the section heading below for the displayed version and use
the specification tables in that section to test and calibrate the instrument.
Firmware Earlier than V2.0
Table 19. 715 DC V Input and Output
Range Resolution
Accuracy,
± (% of Reading + Counts)
100 mV 0.01 mV 0.02 % + 2
10 V 0.001 V 0.02 % + 2
Input impedance: 2 MΩ (nominal), < 100 pF
Overvoltage protection: 30 V
Voltage drive capability: 1 mA
Table 20. 715 DC mA Input and Output
Range Resolution
Accuracy,
± (% of Reading + Counts)
24 mA 0.001 mA 0.02 % + 2
Overload protection: 125 mA, 250 V fast acting fuse
mA Output: 0 % = 4 mA, 100 % = 20 mA
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 ± 10 %