Keithley 6514 User Manual

Calibration 19-11
20pA-2µA range calibration
1. Connect the triax shielding cap to the Model 6514 INPUT jack.
Table 19-4
20µA-20mA range amps calibration summary
Model 6514 range Calibrator currents* Settling time**
20µA 0µA >15 sec.
+20.00000µA >15 sec.
-20.00000µA >15 sec.
200µA 0µA >15 sec.
+200.0000µA >15 sec.
-200.0000µA >15 sec.
2mA 0mA >15 sec.
+2.000000mA >15 sec.
-2.000000mA >15 sec.
20mA 0mA >15 sec.
+20.00000mA >15 sec.
-20.00000mA >15 sec.
* Calibrate zero, positive full-scale, and negative full-scale for each range. Triax cap used for zero
cal points.
** Allow calibration signal to settle for indicated time before calibrating each point.
RS232DIGITAL I/O
PREAMP
250V PK
2V
OUTPUT
COMMON CHASSIS
120
FUSE LINE
630mA
LINE RATING
50, 60Hz
60 VA MAX
T
(SB)
100 VAC
120 VAC
315mAT
(SB)
220 VAC
240 VAC
INPUT 250V PK
IEEE-488
(CHANGE IEEE
WITH FRONT PANEL MENU)
TRIGGER LINK
!
!
MADE IN
U.S.A.
V, GUARD
(PROGRAMMABLE)
OFF
ON
GUARD
(FOLLOWS
INPUT)
(INTERNAL)
INPUT PREAMP
10K
PREAMP
OUT
2V
OUTPUT
COM
Model 6514 Electrometer
DC Voltage Calibrator
BNC-to-dual
Banana Plug
Adapter
Triax Cable
100G
Ω
100M
Ω
10G
Ω
1G
Ω
1nF
100nF
OUTPUT
Connect
Cable
Shield to
Output LO
Low-noise
Coax Cable
Note: Connect Calibrator to
Appropriate Resistor,
Link Shield and Chassis.
Model 5156 Calibration Standard
!
Figure 19-3
Connections for
20pA-2
µ A range
calibration

Keithley 6514 Specifications

General

Brand	Keithley
Model	6514
Category	Measuring Instruments
Language	English