Keithley 2450 User Manual

Model 2450
Interactive SourceMeter® Instrument Reference Manual Section 3:
Functions and features
2450-901-01 Rev. B/September 2013 3-23
Fill mode
The fill mode setting for the reading buffer controls how the incoming data is managed as the buffer
fills. The options are:
• Fill once: The buffer stops accepting data once it fills to capacity and no new data is stored in the
buffer.
• Fill continuously: Data fills the buffer normally until the end of the buffer is reached. When the end
is reached, the data returns to the beginning of the buffer and overwrites the oldest reading. This
is a traditional circular buffer. In this case, the buffer never technically fills.
The following topics provide information about using the front panel to configure buffers and provide
an introduction to using remote commands to configure buffers.
For additional information about using remote commands for buffer operations, see the following
sections of this manual:
• Remote buffer operation (on page 3-27)
• SCPI commands see TRACe subsystem (on page 6-107)
• TSP command see TSP commands (on page 8-7)
Using the front panel to set buffer capacity:
Resizing reading buffers also clears them.
1. Press the MENU key.
2. Under Measure, select Data Buffers. The MANAGE MEASURE BUFFERS window is displayed.
Figure 74: MANAGE MEASURE BUFFERS window

Keithley 2450 Specifications

General

Model	2450
Category	SourceMeter
Voltage Source Range	±200 V
Current Source Range	±1 A
DC Voltage	200 V
DC Current	1 A
Power Output	20 W
Resolution	6.5 digits
Display	5-inch capacitive touchscreen
Operating Temperature	0°C to 50°C
Connectivity	USB, LAN, GPIB
Dimensions	213 mm × 88 mm × 370 mm