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Agilent Technologies U2802A manual System Typical Performance, Thermoelectric Characteristics

Models: U2802A

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Product Specifications

System Typical Performance

Thermoelectric Characteristics

The thermoelectric characteristics for various thermocouple types is shown in Figure 2- 1.

Figure 4-1Thermoelectric characteristics for various thermocouple types

Agilent U2802A 31-Channel Thermocouple Input User’s Guide

Page 73

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Agilent Technologies U2802A manual System Typical Performance, Thermoelectric Characteristics, Product Specifications

Contents

User’s Guide Agilent TechnologiesSafety Notices WarrantyNotices C A U T I O NSafety Symbols Safety InformationU2802A 31-ChannelThermocouple Input User’s Guide Caution, risk of electric shock Off SupplyCaution, hot surface Caution, risk of danger See noteU2802A 31-ChannelThermocouple Input User’s Guide Regulatory MarkingsGeneral Safety Information Product Category Do not dispose in domestic household wasteThe affixed product label is shown as below for more informationTemperature Environmental ConditionsOperating temperature from 0 C to +55 C Requirements2Features and Functions In This Guide3Pin Configurations and Assignments 4Product SpecificationsU2802A 31-ChannelThermocouple Input User’s Guide 20-November-2007Additional Information U2802A 31-ChannelThermocouple Input User’s Guide1Performance Criteria Regulatory Information for CanadaU2802A 31-ChannelThermocouple Input User’s Guide 3 Pin Configurations and Assignments ContentsContents Getting StartedRestore Factory Calibration 5 CalibrationContents Calibration Information Zeroing FunctionContents List of FiguresContents List of TablesAgilent Technologies 1 Getting StartedProduct Dimensions Standard Purchase Items Checklist1 Getting Started Product Outlook Product OverviewConnector Connector DetachableCover Railing Guide Strain Release AssemblyBottom View Side View1 Getting Started HolesTop View Front View Product DimensionsGetting Started U2802A1 Getting Started Standard Purchase Items ChecklistN O TE Installations and ConfigurationsGetting Started A. Check Your System Requirements 1 Getting StartedHard disk space 1 GB A. Check Your System RequirementsN O TE B.Check Your Pre-InstalledIO Libraries Suite1Getting Started N O TE 1 Getting Started N O TEE. Install the Agilent Measurement Manager D. Install the DAQ Hardware DriverN O TE N O TE1 Getting Started 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 belowPage N O TE 12 Click Install to begin the installation of Agilent Measurement Manager1 Getting Started G. Hardware Verification F. Connect Your DAQ Device to the PCH. Connect Your U2802A to DAQ N O TEN O TE I.Launch Your Agilent Measurement ManagerN O TE 1Getting StartedChoosing Instrument-SpecificInterface IVI-COMDriversChoosing Class-CompliantInterface 1 Getting Started Using Class-CompliantInterfaceProgramming Environments IVI-COMDriver Installation1 Getting Started 7Click IVI-COM to open the IVI- COM Driver Installation MenuPage 1 Getting Started Features 2 Features and FunctionsAgilent Technologies Agilent U2802A 31-ChannelThermocouple Input2 Features and Functions FeaturesApplications 2 Features and Functions System OverviewFigure 2-1 System overview of U2802A with DAQ Functionality of the System Theory of Operation2 Features and Functions Functional Block DiagramFigure 2-3 Functional block diagram for U2802A Analog input channel circuitry 2 Features and Functions Page Cold junction sensor 2 Features and FunctionsDigital control EEPROMOpen Thermocouple Detection 2 Features and Functions Pin Configurations Pin Assignments 3 Pin Configurations and AssignmentsPin Description Connector Pinout Agilent TechnologiesPin Assignments Pin Configurations3 Pin Configurations and Assignments Figure 3-1 U2802A pin assignmentConnector J71 Pin DescriptionDescription Pin nameTC22+ Description Connector J50Pin name TC26– Pin Configurations and AssignmentsTC input or voltage input See TC1+/– description TC26+Pin name Connector J60Description Rear panel pinout for Connector Connector Pinout3 Pin Configurations and Assignments Pin Configurations and Assignments Rear panel pinout for Connector3 Pin Configurations and Assignments General Specifications Product Characteristics 4 Product SpecificationsSystem Accuracy Specifications Making Accurate Temperature Measurements4 Product Specifications General SpecificationsPOWER CONSUMPTION SAFETY COMPLIANCEProduct Specifications Product CharacteristicsGENERAL CHARACTERISTICS INPUT SPECIFICATIONSBypass mode Product SpecificationsPower Off Mode OTHER FEATURESProduct Specifications System Accuracy SpecificationsN O TE HighTable 4 Product Specificationswith different number of averaging points HighTable Product Specificationswith different number of averaging points High4 Product Specifications Calculating System AccuracyExample Page System accuracy with thermocouple sensor error System accuracy without thermocouple sensor error4 Product Specifications Therefore ETHERMOCOUPLE = 0.75% × 600 C = 4.5 CSystem Typical Performance Thermoelectric CharacteristicsProduct Specifications 4 Product Specifications Typical Error vs. Measurement PerformanceN O TE Making Accurate Temperature Measurements 4 Product Specifications 5 Calibration Zeroing Function Restore Factory CalibrationAgilent Technologies Agilent U2802A 31-ChannelThermocouple InputCalibration Information CalibrationZeroing Function 5 CalibrationCalibration Restore Factory Calibration5 Calibration Contact us Agilent Technologies