Omega Engineering OM-DAQ-USB-2401 manual 10-4

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10-4

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Contents OM-DAQ-USB-2401 Servicing North America OM-DAQ-USB-2400 Multiple Channel USB Data Acquisition Module OM-DAQ-USB-2400 International Usage and CE Marking 10-1List of Figures SectionExamples of Under Sampling Precautions IntroductionSafety Warnings and IEC Symbols Statement on CE MarkingGeneral Description & System Components System Components Hardware Package InspectionIncluded Items Hardware Setup USB Hubs and Power AdaptorsOM-DAQ-USB-2401 System Components USB-powered Hubs Self-powered HubsPower Adaptors Connecting Your OM-DAQ-USB-2401 Acquisition System to PC Connecting Various Hardware Setups Direct Connection to Computer USB PortsConnection to USB-powered Hub Connections to Self-Powered and USB-powered HubsConnections to Self-Powered Hub and to USB-Powered Hub OM-DAQ-USB-2401 MountingOM-DAQ-USB-2401 Wall Mounting OM-DAQ-USB-2400 SeriesOM-DAQ-USB-2401 DIN Rail Mounting OM-DAQ-USB-2401 Rail MountingGetting Started Software InstallationSoftware System RequirementsSoftware Setup Welcome ScreenConfirm Installation Screen DAQ Central Software Operation Main Control WindowToolbar Buttons Toolbar ButtonsMain Control Window Pull-Down Operations File MenuTools Menu 2 Device Configuration Channels TabConfiguration Parameter Settings Manual Acquisition is manually started/stopped Level Data Tab Data Displays18. Main Window Screen 23. Waveform Screen Power Line Rejection Optical IsolationA/D Conversion Analog Input Configuration Input RangesMeasurement Duration, Scan Time, and Resolution Automatic Calibration 27. Calibration/Scan Arrangement28. Thermocouple Wiring Thermocouple MeasurementsResolution Effective Number of Bits ENOB, RMS Signal ManagementScan Time and Resolution Channel Control and ExpansionUnder Sampling and Aliasing RMSSignal Examples of Under SamplingSignal Modes TriggeringNoise Reduction in Differential Mode System Noise AveragingAnalog Filtering Vadc = VT x Ri / Rs + Ri Input and Source ImpedanceCrosstalk = RCCE Conformity OM-DAQ-USB-2401 Design for CE ConformityFerrite Core Troubleshooting Basic ChecklistSymptoms and Solutions Service & Calibration Service & CalibrationSpecifications Thermocouple Input Range Power SupplyExternal Power Source Cold JunctionThermocouple Accuracy ºC for OM-DAQ-USB-2401 TC Type Temp Typical Fast SlowApprovals and Regulatory Compliance International Usage & CE Marking10-2 10-3 10-4 WARRANTY/DISCLAIMER Temperature