Omega Engineering Thermocouple Accuracy ºC for OM-DAQ-USB-2401, TC Type Temp Typical Fast Slow

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9Specifications

Table 9-1. Thermocouple Accuracy (ºC) for OM-DAQ-USB-2401

TC Type

Temp.

Typical

Fast

 

(°C)

Slow

 

 

 

 

 

 

 

 

 

 

-18

1.3

3.8

 

 

J

0

1.1

3

 

 

 

1200

0.9

2.5

 

 

 

 

 

 

 

 

 

-129

1.8

5

 

 

K

0

1.4

3.9

 

 

 

1372

1.3

3.7

 

 

 

 

 

 

 

 

 

-101

1.6

4.5

 

 

T

0

1.4

4

 

 

 

400

1

2.9

 

 

 

 

 

 

 

 

 

-184

1.2

3.4

 

 

E

0

0.9

2.6

 

 

 

1000

0.7

1.9

 

 

 

 

 

 

 

 

 

204

5.2

14.8

 

 

R

700

4.6

13.1

 

 

 

1768

3.9

11

 

 

 

 

 

 

 

 

 

204

5.6

16

 

 

S

700

5.2

14.7

 

 

 

1768

4.6

12.8

 

 

 

 

 

 

 

 

B

538

7.9

13.7

 

 

 

1820

4.8

13.7

 

 

 

 

 

 

 

 

 

-129

2.6

7.3

 

 

N

0

2

5.9

 

 

 

1300

1.4

4

 

 

 

 

 

 

 

 

NOTE:

Thermocouple accuracy excludes cold junction compensation error.

9-3

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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 IntroductionGeneral Description & System Components Safety Warnings and IEC SymbolsStatement on CE Marking System Components Included Items HardwarePackage Inspection OM-DAQ-USB-2401 System Components Hardware SetupUSB Hubs and Power Adaptors Power Adaptors USB-powered HubsSelf-powered Hubs 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 A/D Conversion Power Line RejectionOptical Isolation 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 Analog Filtering System NoiseAveraging Vadc = VT x Ri / Rs + Ri Input and Source ImpedanceCrosstalk = RCCE Conformity OM-DAQ-USB-2401 Design for CE ConformityFerrite Core Symptoms and Solutions TroubleshootingBasic Checklist 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