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Introduction to LabVIEW

• LabVIEW
• Text or graphic
• Interactive Windows interface
• New project
• Front panel and block diagram (Example_01.vi)
• Two switches to AND (Example_02.vi)
• Numerical values (Example_03.vi)
• Addition (Example_04.vi)
• String (Example_05.vi)
• Function graph (Example_07.vi)
• Libraries

 Analogue multimeter

• What does measuring mean?
• Voltage measurement
• Voltmeter and internal resistance
• Voltmeter with LabVIEW (Example_30.vi)
• Electromechanical measured value display
• Moving - coil movement
• Voltage measuring ranges
• Current measurement

 Error calculation

• Measurement error
• Absolute indication of the uncertainty of measurement
• Relative indication of the measurement uncertainty
• Accuracy class of analogue measuring instruments
• Systematic and random deviation (Example_31.vi)
• Systematic and random deviation (Example_31.vi)
• Accuracy and precision
• Resolution and sensitivity
• Mean value
• How to determine the measurement uncertainty?
• Error calculation or error propagation
• Measure current and voltage simultaneously
• Error propagation in current and voltage measurement
• Example analog multimeter

 Digital multimeter and DC voltage

• Introduction
• Sampling and A/D converter
• Decimal display (Example_40.vi)
• Sampling in LabVIEW (Example_40.vi)
• A/D conversion in LabVIEW (Example_42.vi)
• Normalize display to 10V (Example_43.vi)
• Measuring ranges (Example_44.vi)
• SWITCH-CASE (Example_44.vi)
• FOR, WHILE an other loops
• Sound card as A/D converter
• Professional measuring cards
• Interfaces in LabVIEW
• Measuring errors with digital measuring instruments
• Measuring errors with digital measuring instruments
• Bit number and resolution
• A/D converter Measurement error
• Display 3.5 digits
• Scan faster!

 Digital multimeter and AC voltage

• Introduction
• Measure 220V/50HZ with DC measuring range
• Rectify (Example_61.vi)
• LP-Filter (Example_62.vi)
• LP-Filter (Example_62.vi)
• One factor makes everything good! (Example_63.vi)
• Sine with noise (Example_64.vi)
• Sine with rectangle (Example_65.vi)
• Only square wave signal (Example_66.vi)
• True RMS
• True RMS in LabVIEW
• Oscilloscope

 Oscilloscope and signals over time

• Introduction
• Analog electron beam oscilloscope
• Simulation analog oscilloscope
• Start oscilloscope
• Set amplitude and time base
• Set X and Y range
• Time range Magnification
• Two channels
• AC/DC/GD
• Triggering
• Triggering
• Measuring head
• Cut-off frequency of the oscilloscope
• Digital oscilloscope
• Nyquist-Shannon sampling theorem
• Anti-Alias-Filter
• Memory and bandwidth
• Measuring cards
• Accuracy of oscilloscopes
• Digital oscilloscope with sound card (Example_68.vi)
• Digital oscilloscope with sound card (Example_70.vi)
• Graph parameters internal (Example_70.vi)
• Graph Parameter external (Example_70.vi)

 Other measuring methods and instruments

• Histogram and statistics  (Example_71.vi)
• Two signals in one graph  (Example_72.vi)
• Save signals in the file  (Example_73.vi)
• Load signals from the file  (Example_74.vi)
• Spectrum FFT  (Example_75.vi)
• Digital filter  (Example_76.vi)
• X-Y representation  (Example_77.vi)
• Logic analyzer
• Real time
• Multicore
• Examples