Keithley 6514 - Table 19-5 20 Pa-2Μa Range Amps Calibration Summary

Calibration 19-13
Table 19-5
20pA-2µA range amps calibration summary
Model 6514 range Calibrator voltages Standard resistor
1
Calibration currents
2
Settling time
3
20pA 100GΩ 0pA > 2 min.
+2.000000V 100GΩ +20pA > 2 min.
-2.000000V 100GΩ -20pA > 2 min.
200pA 10GΩ 0pA > 2 min.
+2.000000V 10GΩ +200pA > 2 min.
-2.000000V 10GΩ -200pA > 2 min.
2nA 1GΩ 0nA > 15 sec.
+2.000000V 1GΩ +2nA > 15 sec.
-2.000000V 1GΩ -2nA > 15 sec.
20nA 1GΩ 0nA > 15 sec.
+20.00000V 1GΩ +20nA > 15 sec.
-20.00000V 1GΩ -20nA > 15 sec.
200nA 100MΩ 0nA > 15 sec.
+20.00000V 100MΩ +200nA > 15 sec.
-20.00000V 100MΩ -200nA > 15 sec.
2µA 100MΩ 0µA > 15 sec.
+200.0000V 100MΩ +2µA > 15 sec.
-200.0000V 100MΩ -2µA > 15 sec.
1
Nominal resistance values.
2
Nominal currents. Calculate actual currents from calibrator voltage and actual standard resistor value: I = V/R. Calibrate zero, posi-
tive full-scale, and negative full-scale for each range. Triax cap used for zero cal points.
3
Allow calibration signal to settle for indicated time before calibrating each point.