Agilent Technologies U2802A manual Calibration

Page 77

Agilent U2802A 31-Channel Thermocouple Input

User’s Guide

5 Calibration

Calibration 62

Calibration Information 62

Zeroing Function 62

Restore Factory Calibration 63

This chapter contains the calibration information and factory restore calibration procedure for the Agilent U2802A 31- channel thermocouple input device.

Agilent Technologies

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Contents Agilent U2802A 31-Channel Thermocouple Input Device U T I O N WA RN I N G Safety Information U2802A 31-Channel Thermocouple Input User’s Guide Regulatory Markings General Safety Information Do not dispose in domestic household waste Environmental Conditions This Guide November-2007 Regulatory Information for Australia/New Zealand XII Contents Calibration List of Figures List of Tables Getting Started Introduction to Agilent U2802A 31-Channel Thermocouple Input Product Outlook Product OverviewTop View Front ViewBottom View Side ViewTop View Front View Product DimensionsStandard Purchase Items Checklist Installations and Configurations Ii. If Agilent IO Libraries Suite 14.2 has Hard disk space 1 GB Check Your System RequirementsYou do not have the Agilent IO Libraries installed, or Check Your Pre-Installed IO Libraries SuiteIii. If Agilent IO Libraries Suite is not installed Getting Started Install the Agilent Measurement Manager Install the DAQ Hardware DriverGetting Started Agilent U2802A 31-Channel Thermocouple Input User’s Guide Getting Started Connect Your U2802A to DAQ Connect Your DAQ Device to the PCHardware Verification Launch Your Agilent Measurement Manager Choosing Class-Compliant Interface IVI-COM DriversChoosing Instrument-Specific Interface IVI- COM Using Class-Compliant InterfaceProgramming Environments IVI-COM Driver InstallationGetting Started Agilent U2802A 31-Channel Thermocouple Input User’s Guide Getting Started Features and Functions Features Applications 1System overview of U2802A with DAQ System OverviewFunctionality of the System Theory of Operation3Functional block diagram for U2802A Functional Block DiagramAnalog input channel circuitry 4Functional block diagram for thermocouple mode in U2802A5Floating signal source configuration in U2802A Agilent U2802A 31-Channel Thermocouple Input User’s Guide Digital control Cold junction sensorTrigger, Counter, External Timebase, and Analog Output Open Thermocouple DetectionFeatures and Functions Pin Configurations and Assignments Pin Assignments Pin ConfigurationsPin Description Connector J71Pin Configurations and Assignments Connector J50 Pin Configurations and Assignments Pin Pin name Description Connector J60Rear panel pinout for Connector Connector Pinout3Connector 2 pin assignment for U2355A and U2356A Pin Configurations and Assignments Product Specifications Operating Environment General SpecificationsGeneral Characteristics Product CharacteristicsOther Features Accuracy on page 54 for calculation methodology System Accuracy SpecificationsWith different number of averaging points U2356A @ 0 C to 18 C and 28 C to 45 C Example Calculating System Accuracy= 0.02% × 33.102 mV = 6.62 µV = 6.62 µV ÷ 59 µV/C = 0.112 C System accuracy with thermocouple sensor error System accuracy without thermocouple sensor errorSystem Typical Performance Thermoelectric CharacteristicsTypical Error vs. Measurement Performance Making Accurate Temperature Measurements Product Specifications Calibration Zeroing Function CalibrationCalibration Information Restore Factory Calibration Calibration Contact us