PXI-5670  National Instruments Spare parts in stock

PXI-5670 National Instruments Spare parts in stock

Brand: National Instruments     Model number:PXI-5670

Colour:new                  Warranty: 12 months

Lead Time:3-day working day   Country of origin: USA

Price: Please contact us         Product weight:0.22kg

hipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account 

PXI-5670  National Instruments Spare parts in stock

SCXI-1162HV   National Instruments    Industrial control module spot

AI Absolute Accuracy Equation

AbsoluteAccuracy = Reading · (GainError) + Range · (OffsetError) + NoiseUncertainty

GainError = ResidualAIGainError + GainTempco · (TempChangeFromLastInternalCal)

+ ReferenceTempco · (TempChangeFromLastExternalCal)

OffsetError = ResidualAIOffsetError + OffsetTempco ·

(TempChangeFromLastInternalCal) + INLError

NoiseUncertainty = 

Random Noise ڄ 3

100 for a coverage factor of 3 σ and averaging

100 points.

AI Absolute Accuracy Example

Absolute accuracy at full scale on the analog input channels is determined using the following

assumptions:

• TempChangeFromLastExternalCal = 10 °C

• TempChangeFromLastInternalCal = 1 °C

• number_of_readings = 100

• CoverageFactor = 3 σ

For example, on the 10 V range, the absolute accuracy at full scale is as follows:

GainError = 75 ppm + 25 ppm · 1 + 5 ppm · 10 = 150 ppm

OffsetError = 20 ppm + 57 ppm · 1 + 76 ppm = 153 ppm

NoiseUncertainty = 244 µ

100

ڄ ܸ

3

 = 73 µV

AbsoluteAccuracy = 10 V · (GainError) + 10 V · (OffsetError) + NoiseUncertainty =

3,100 µV



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