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manual U2802A 31-ChannelThermocouple Input User’s Guide
Models:
U2802A
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Specification
Product Characteristics
Install
Functional Block Diagram
Warranty
Dimension
Pin Configurations and Assignments
Railing Guide Strain Release Assembly
System accuracy without thermocouple sensor error
Checklist
Page 12
Image 12
XII
U2802A
31-Channel
Thermocouple Input User’s Guide
Page 11
Page 13
Page 12
Image 12
Page 11
Page 13
Contents
Agilent Technologies
User’s Guide
Warranty
Safety Notices
Notices
C A U T I O N
Safety Information
Safety Symbols
U2802A 31-ChannelThermocouple Input User’s Guide
Off Supply
Caution, risk of electric shock
Caution, hot surface
Caution, risk of danger See note
Regulatory Markings
U2802A 31-ChannelThermocouple Input User’s Guide
General Safety Information
Do not dispose in domestic household waste
Product Category
The affixed product label is shown as below
for more information
Environmental Conditions
Temperature
Operating temperature from 0 C to +55 C
Requirements
In This Guide
2Features and Functions
3Pin Configurations and Assignments
4Product Specifications
20-November-2007
U2802A 31-ChannelThermocouple Input User’s Guide
U2802A 31-ChannelThermocouple Input User’s Guide
Additional Information
1Performance Criteria
Regulatory Information for Canada
U2802A 31-ChannelThermocouple Input User’s Guide
Contents
3 Pin Configurations and Assignments
Contents
Getting Started
5 Calibration
Restore Factory Calibration
Contents
Calibration Information Zeroing Function
List of Figures
Contents
List of Tables
Contents
1 Getting Started
Agilent Technologies
Product Dimensions
Standard Purchase Items Checklist
1 Getting Started
Product Overview
Product Outlook
Connector Connector DetachableCover
Railing Guide Strain Release Assembly
Side View
Bottom View
1 Getting Started
Holes
Product Dimensions
Top View Front View
Getting Started
U2802A
Standard Purchase Items Checklist
1 Getting Started
Installations and Configurations
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Getting Started
1 Getting Started
A. Check Your System Requirements
A. Check Your System Requirements
Hard disk space 1 GB
B.Check Your Pre-InstalledIO Libraries Suite
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1Getting Started
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1 Getting Started
D. Install the DAQ Hardware Driver
E. Install the Agilent Measurement Manager
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5If you do not have the Agilent T&M Toolkit 2.1 Runtime version and/or Microsoft .NET Framework version 1.1 and 2.0 installed, the InstallShield Wizard software pre- requisite will appear as shown below
1 Getting Started
Page
12 Click Install to begin the installation of Agilent Measurement Manager
N O TE
1 Getting Started
F. Connect Your DAQ Device to the PC
G. Hardware Verification
H. Connect Your U2802A to DAQ
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I.Launch Your Agilent Measurement Manager
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1Getting Started
IVI-COMDrivers
Choosing Instrument-SpecificInterface
Choosing Class-CompliantInterface
Using Class-CompliantInterface
1 Getting Started
IVI-COMDriver Installation
Programming Environments
7Click IVI-COM to open the IVI- COM Driver Installation Menu
1 Getting Started
Page
1 Getting Started
2 Features and Functions
Features
Agilent Technologies
Agilent U2802A 31-ChannelThermocouple Input
Features
2 Features and Functions
Applications
System Overview
2 Features and Functions
Figure 2-1 System overview of U2802A with DAQ
Theory of Operation
Functionality of the System
Functional Block Diagram
2 Features and Functions
Figure 2-3 Functional block diagram for U2802A
Analog input channel circuitry
2 Features and Functions
Page
2 Features and Functions
Cold junction sensor
Digital control
EEPROM
Open Thermocouple Detection
2 Features and Functions
3 Pin Configurations and Assignments
Pin Configurations Pin Assignments
Pin Description Connector Pinout
Agilent Technologies
Pin Configurations
Pin Assignments
3 Pin Configurations and Assignments
Figure 3-1 U2802A pin assignment
Pin Description
Connector J71
Description
Pin name
TC22+
Connector J50
Description
Pin name
Pin Configurations and Assignments
TC26–
TC input or voltage input See TC1+/– description
TC26+
Connector J60
Pin name
Description
Connector Pinout
Rear panel pinout for Connector
3 Pin Configurations and Assignments
Rear panel pinout for Connector
Pin Configurations and Assignments
3 Pin Configurations and Assignments
4 Product Specifications
General Specifications Product Characteristics
System Accuracy Specifications
Making Accurate Temperature Measurements
General Specifications
4 Product Specifications
POWER CONSUMPTION
SAFETY COMPLIANCE
Product Characteristics
Product Specifications
GENERAL CHARACTERISTICS
INPUT SPECIFICATIONS
Product Specifications
Bypass mode
Power Off Mode
OTHER FEATURES
System Accuracy Specifications
Product Specifications
N O TE
High
4 Product Specifications
Table
with different number of averaging points
High
Product Specifications
Table
with different number of averaging points
High
Calculating System Accuracy
4 Product Specifications
Example
Page
System accuracy without thermocouple sensor error
System accuracy with thermocouple sensor error
4 Product Specifications
Therefore ETHERMOCOUPLE = 0.75% × 600 C = 4.5 C
Thermoelectric Characteristics
System Typical Performance
Product Specifications
Typical Error vs. Measurement Performance
4 Product Specifications
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Making Accurate Temperature Measurements
4 Product Specifications
Zeroing Function Restore Factory Calibration
5 Calibration
Agilent Technologies
Agilent U2802A 31-ChannelThermocouple Input
Calibration
Calibration Information
Zeroing Function
5 Calibration
Restore Factory Calibration
Calibration
5 Calibration
Agilent Technologies
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