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Agilent Technologies U2802A manual Typical Error vs. Measurement Performance, N O Te

Models: U2802A

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Typical Error vs. Measurement Performance

4 Product Specifications

Typical Error vs. Measurement Performance

The U2802A measurement error with U2355A or U2356A at 23 °C ± 5 °C is shown in Figure 2- 2.

Figure 4-2U2802A measurement accuracy plot for various thermocouples type

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Assume a ±1 °C error in the CJ measurement due to sensor error and temperature gradient error in the accuracy numbers in Figure 4-2.

58	Agilent U2802A 31-Channel Thermocouple Input User’s Guide

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Agilent Technologies U2802A manual Typical Error vs. Measurement Performance, N O Te, Product Specifications

Contents

Agilent Technologies User’s GuideNotices WarrantySafety Notices C A U T I O NU2802A 31-ChannelThermocouple Input User’s Guide Safety InformationSafety Symbols Caution, hot surface Off SupplyCaution, risk of electric shock Caution, risk of danger See noteRegulatory Markings U2802A 31-ChannelThermocouple Input User’s GuideGeneral Safety Information The affixed product label is shown as below Do not dispose in domestic household wasteProduct Category for more informationOperating temperature from 0 C to +55 C Environmental ConditionsTemperature Requirements3Pin Configurations and Assignments In This Guide2Features and Functions 4Product Specifications20-November-2007 U2802A 31-ChannelThermocouple Input User’s Guide1Performance Criteria U2802A 31-ChannelThermocouple Input User’s GuideAdditional Information Regulatory Information for CanadaU2802A 31-ChannelThermocouple Input User’s Guide Contents Contents3 Pin Configurations and Assignments Getting StartedContents 5 CalibrationRestore Factory Calibration Calibration Information Zeroing FunctionList of Figures ContentsList of Tables ContentsProduct Dimensions 1 Getting StartedAgilent Technologies Standard Purchase Items Checklist1 Getting Started Connector Connector DetachableCover Product OverviewProduct Outlook Railing Guide Strain Release Assembly1 Getting Started Side ViewBottom View HolesGetting Started Product DimensionsTop View Front View U2802AStandard Purchase Items Checklist 1 Getting StartedGetting Started Installations and ConfigurationsN O TE 1 Getting Started A. Check Your System RequirementsA. Check Your System Requirements Hard disk space 1 GB1Getting Started B.Check Your Pre-InstalledIO Libraries SuiteN O TE N O TE N O TE 1 Getting StartedN O TE D. Install the DAQ Hardware DriverE. Install the Agilent Measurement Manager N O TE5If 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 StartedPage 1 Getting Started 12 Click Install to begin the installation of Agilent Measurement ManagerN O TE H. Connect Your U2802A to DAQ F. Connect Your DAQ Device to the PCG. Hardware Verification N O TEN O TE I.Launch Your Agilent Measurement ManagerN O TE 1Getting StartedChoosing Class-CompliantInterface IVI-COMDriversChoosing Instrument-SpecificInterface Using Class-CompliantInterface 1 Getting StartedIVI-COMDriver Installation Programming Environments7Click IVI-COM to open the IVI- COM Driver Installation Menu 1 Getting StartedPage 1 Getting Started Agilent Technologies 2 Features and FunctionsFeatures Agilent U2802A 31-ChannelThermocouple InputFeatures 2 Features and FunctionsApplications Figure 2-1 System overview of U2802A with DAQ System Overview2 Features and Functions Theory of Operation Functionality of the SystemFigure 2-3 Functional block diagram for U2802A Functional Block Diagram2 Features and Functions Analog input channel circuitry 2 Features and Functions Page Digital control 2 Features and FunctionsCold junction sensor EEPROMOpen Thermocouple Detection 2 Features and Functions Pin Description Connector Pinout 3 Pin Configurations and AssignmentsPin Configurations Pin Assignments Agilent Technologies3 Pin Configurations and Assignments Pin ConfigurationsPin Assignments Figure 3-1 U2802A pin assignmentDescription Pin DescriptionConnector J71 Pin nameTC22+ Pin name Connector J50Description TC input or voltage input See TC1+/– description Pin Configurations and AssignmentsTC26– TC26+Description Connector J60Pin name 3 Pin Configurations and Assignments Connector PinoutRear panel pinout for Connector Rear panel pinout for Connector Pin Configurations and Assignments3 Pin Configurations and Assignments System Accuracy Specifications 4 Product SpecificationsGeneral Specifications Product Characteristics Making Accurate Temperature MeasurementsPOWER CONSUMPTION General Specifications4 Product Specifications SAFETY COMPLIANCEGENERAL CHARACTERISTICS Product CharacteristicsProduct Specifications INPUT SPECIFICATIONSPower Off Mode Product SpecificationsBypass mode OTHER FEATURESN O TE System Accuracy SpecificationsProduct Specifications Highwith different number of averaging points 4 Product SpecificationsTable Highwith different number of averaging points Product SpecificationsTable HighExample Calculating System Accuracy4 Product Specifications Page 4 Product Specifications System accuracy without thermocouple sensor errorSystem accuracy with thermocouple sensor error Therefore ETHERMOCOUPLE = 0.75% × 600 C = 4.5 CProduct Specifications Thermoelectric CharacteristicsSystem Typical Performance N O TE Typical Error vs. Measurement Performance4 Product Specifications Making Accurate Temperature Measurements 4 Product Specifications Agilent Technologies Zeroing Function Restore Factory Calibration5 Calibration Agilent U2802A 31-ChannelThermocouple InputZeroing Function CalibrationCalibration Information 5 CalibrationRestore Factory Calibration Calibration5 Calibration Agilent Technologies Contact us