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Tektronix Keithley SourceMeter 2450 User Manual

Tektronix Keithley SourceMeter 2450
108 pages
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User’s Manual
2450-900-01 Rev. E / August 2019
*P2450-900-01E*
2450-900-01E
tek.com/keithley
Model 2450
SourceMeter
®
Instrument

Table of Contents

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Tektronix Keithley SourceMeter 2450 Specifications

General IconGeneral
Model2450
TypeSourceMeter
CategoryLaboratory Equipment
Maximum Output Power20 W
Maximum Power20 W
Display5-inch capacitive touchscreen
InterfaceUSB, Ethernet, GPIB
Current Source Range10 nA to 1 A
DC Current Source Range10 nA to 1 A
DC Current Source Accuracy0.03% of setting
DC Current Measurement Range10 nA to 1 A
Power RangeUp to 20 W
Resolution6.5 digits
ConnectivityUSB, Ethernet, GPIB
Supported ApplicationsI-V characterization, semiconductor testing, component testing
Voltage Measurement Resolution100 nV
Measurement Resolution6.5 digits

Summary

User's Manual

Model 2450 SourceMeter® Instrument

Identifies the instrument model and product name.

Safety Precautions

User Roles and Responsibilities

Defines responsibilities for instrument use, maintenance, and operation.

Electrical Shock Hazard Warnings

Critical warnings about electrical shock hazards, voltage levels, and safe connection practices.

Power and Connection Safety

Ensuring safe operation via proper power cord connection, grounding, and cable inspection.

Instrument Usage and Limitations

Guidelines on proper instrument usage, limitations, and component replacement for safety.

Warning and Caution Symbols

Explanation of warning and caution symbols used on instruments and in documentation.

Maintenance and Cleaning Procedures

Procedures for safe maintenance, component replacement, and cleaning of instruments.

Section 1 Introduction

Welcome

Introduction to the 2450 SourceMeter® Instrument and its features.

Introduction to this Manual

Overview of the manual's content, structure, and how to use it for applications.

Extended Warranty

Information on purchasing additional warranty coverage for products.

Contact Information

How to contact Keithley Instruments for support and inquiries.

Available Documentation

List of available documentation for the 2450, including guides and manuals.

Organization of Manual Sections

Description of how the manual is organized into different sections.

Applications Overview

Overview of application examples provided in the manual for the 2450 instrument.

Section 2 Front-Panel Overview

Powering the Instrument On and Off

Instructions for powering the 2450 instrument on/off and connecting the power cord.

Front-Panel Overview

Overview of the 2450's front panel controls, display, and interface elements.

Front Panel Controls and Interface Elements

Detailed descriptions of front panel buttons, indicators, and interface components.

Touchscreen Display and Navigation

How to interact with the touchscreen, navigate menus, and use swipe screens.

Scroll Bars and Swipe Screens

Explanation of scroll bars and how to use interactive swipe screens on the touchscreen.

Swipe Screen Heading Bar

Description of the options available in the swipe screen heading bar.

Source and Settings Swipe Screens

Details on the SOURCE and SETTINGS swipe screens for instrument configuration.

Statistics, User, and Graph Swipe Screens

Overview of STATISTICS, USER, and GRAPH swipe screens for data display.

Menu Overview and Data Storage

Navigating the main menu and saving measurement data to a USB flash drive.

Saving Screen Captures

Procedure for saving screen captures of the front panel display to a USB drive.

Section 3 Using a Remote Interface

Remote Communications Interfaces

Overview of available communication interfaces for remote control of the 2450.

Supported Remote Interfaces

Details on the supported remote interfaces: GPIB, Ethernet, USB, and TSP-Link.

GPIB Communications

Information on setting up and using the GPIB interface for instrument communication.

Setting the GPIB Address

Instructions for setting the GPIB address for instrument identification and communication.

LAN Communications

Details on establishing and using LAN connections for instrument communication.

Automatic LAN Configuration

Steps to configure automatic IP address selection for LAN communication.

Manual LAN Configuration

Instructions for manually setting IP address, gateway, and subnet mask for LAN.

Verifying LAN Connection

Procedure to verify that the 2450 instrument is connected to the network via LAN.

LXI Discovery Tool

How to use the LXI Discovery Tool to find the instrument's IP address.

USB Communications

Information on setting up and using USB connections for instrument communication.

Connecting a Computer via USB

Steps to connect a computer to the 2450 instrument using a USB cable.

Instrument Communication via USB

Using NI-VISA and resource strings for USB communication with the instrument.

Verify Instrument with Keithley Communicator

Procedure to verify instrument communication using the Keithley Communicator tool.

Using the Web Interface

How to access and use the instrument's web interface for settings and control.

LAN Troubleshooting Suggestions

Tips for troubleshooting connectivity issues with the LAN interface.

Web Interface Home Page

Description of the information and features available on the instrument's web home page.

Identify the Instrument

How to use the ID button to identify a specific instrument in a system.

Review Events in the Event Log

How to access and review the instrument's event log for LXI events.

Determine the Command Set to Use

Guide to determining and changing the instrument's command set (SCPI, TSP).

Section 4 Making Basic Front-Panel Measurements

Introduction and Equipment

Overview of front-panel measurements and required equipment.

Device Connections

How to connect the instrument and the device under test (DUT) for measurements.

Performing Front-Panel Measurements

Step-by-step guide to taking measurements using the front panel interface.

Section 5 Measuring Low-Resistance Devices

Introduction and Equipment

Overview of low-resistance measurement and required equipment.

Remote Communications Setup

How to set up remote communication for running the low-resistance measurement application.

Device Connections for Low Resistance

Connecting the DUT for low-resistance measurements using 4-wire (Kelvin) method.

Low-Resistance Measurements

Steps to perform low-resistance measurements from the front panel.

Viewing Measurements on Graph Screen

How to view resistance measurements graphically on the front panel.

Buffer Statistics

Accessing measurement statistics on the STATISTICS swipe screen.

SCPI Command Application

Using SCPI commands to perform 100 low-resistance measurements.

TSP Command Application

Using TSP commands to perform low-resistance measurements with the 2450.

Section 6 Leakage Current and Insulation Resistance

Introduction and Equipment

Overview of leakage/insulation tests and required equipment.

Remote Communications and Device Connections

Setting up remote communications and connecting DUTs for leakage/insulation tests.

Measuring Leakage Current

Procedure for measuring capacitor leakage current using the 2450 front panel.

Setting Up Leakage Current Measurement

Detailed steps for setting up and performing leakage current measurements.

Viewing Leakage Current Graph

Viewing leakage current measurements graphically on the front panel.

Leakage Current with SCPI Commands

Using SCPI commands for capacitor leakage current measurement.

Leakage Current with TSP Commands

Using TSP commands for capacitor leakage current measurement.

Measuring Insulation Resistance

Steps to measure insulation resistance using the 2450 front panel.

Setting Up Insulation Resistance Measurement

Detailed steps for setting up insulation resistance measurements.

Viewing Insulation Resistance Graph

Viewing insulation resistance measurements graphically on the front panel.

Insulation Resistance with SCPI Commands

Using SCPI commands for insulation resistance measurements.

Insulation Resistance with TSP Commands

Using TSP commands for insulation resistance measurements.

Section 7 Measuring I-V Characteristics of FETs

Introduction and Equipment

Overview of FET I-V testing and required equipment.

Remote Communications and Triggers

Setting up remote communications and external triggers for FET testing.

Connection Examples

Examples of cabling and connections for SCPI and TSP command sets.

Device Connections for FET Testing

Connecting two 2450s to a MOSFET for drain family of curves measurement.

SCPI Commands: Trigger Model

Using SCPI commands and trigger model for FET drain family of curves.

SCPI Commands: Linear Sweep

Using SCPI commands for FET I-V characterization with a linear sweep.

TSP Commands: Overview

Overview of controlling FET testing remotely using TSP commands.

TSP Commands: Trigger Model

Using TSP commands and trigger model for FET drain family of curves.

TSP Commands: Linear Sweep

Using TSP commands for FET I-V characterization with a linear sweep.

Section 8 Rechargeable Battery Measurements

Introduction and Equipment

Overview of battery testing and required equipment.

Device Connections

Connecting the 2450 to a battery for charge/discharge testing.

Automated Battery Charge/Discharge Testing

Automating battery charge and discharge cycles using SCPI and TSP commands.

Battery Testing with SCPI Commands

Using SCPI commands for automated battery charge/discharge testing.

Battery Testing with TSP Commands

Using TSP commands for automated battery charge/discharge testing.

Section 9 Measuring I-V Characteristics of Solar Cells

Introduction and Equipment

Overview of solar cell I-V testing and required equipment.

Remote Communications and Device Connections

Setting up remote communications and connecting solar cells for I-V measurements.

Solar Cell Characterization

Steps to characterize a solar cell's I-V behavior using front panel, SCPI, and TSP.

Front-Panel Solar Cell I-V Sweep

Performing a solar cell I-V sweep using the front panel interface.

Solar Cell I-V Sweep with SCPI Commands

Using SCPI commands to perform a solar cell I-V sweep.

Solar Cell I-V Sweep with TSP Commands

Using TSP commands to perform a solar cell I-V sweep.

Section 10 Troubleshooting FAQs

Finding Updated Drivers

Guidance on obtaining the latest instrument drivers from the support website.

Firmware Upgrade Process

Procedure for upgrading or downgrading the instrument's firmware using a USB drive.

USB Flash Drive Issues

Troubleshooting USB flash drive compatibility issues with the 2450.

Command Set Management

Instructions for changing the instrument's command set (SCPI, TSP).

Event Code 5074 Explanation

Explanation of event code 5074 related to the interlock circuit and high voltage.

Saving Instrument State

Methods for saving instrument settings as a script using front panel or commands.

Settings Changes and Quick Setup

Understanding settings changes and using Quick Setup options.

Section 11 Next Steps

Additional Resources and Support

Information on additional resources, handbooks, and support channels for the 2450.

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