Keithley 2461 Reference Manual

Model 2461
Interactive SourceMeter® Instrument Reference Manual Section 3:
Functions and features
2461-901-01 A/November 2015 3-3
Buffer fill status
There are several different ways to view buffer fill status from the front panel.
As shown in the following figure, the Active buffer indicator (on page 2-15) in the annunciator bar
displays buffer fill status and the STATISTICS swipe screen (on page 2-21) displays buffer statistics.
Figure 83: Statistics swipe screen and active buffer indicator
The instrument generates event code 4915, "Attempting to store past capacity of reading buffer,"
when a buffer that is set to fill once is full.
The MANAGE READING BUFFERS window displays buffer fill status as the Amount Filled, as shown
in the following figure.
Figure 84: MANAGE READING BUFFERS

Keithley 2461 Specifications

General

Maximum Current	7 A
Power	100 W
Resolution	6.5 digits
Source Measure Unit (SMU)	Yes
DC Voltage	100 V
Maximum Voltage	100 V
Display	5-inch capacitive touchscreen
Connectivity	USB, GPIB
Software	TSP
DC Current	7 A
Current Source Range	0 to 7 A
Voltage Measurement Range	100 mV to 100 V
Current Measurement Range	10 nA to 7 A
Voltage Measurement Resolution	100 nV