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DLPNIRNANOEVM: Non-integral wavelength numbers in scan results

Part Number: DLPNIRNANOEVM

I did a scan using my NIRscan Nano EVM. I get the following wavelengths in the scan results/output:

901.776862,0.525470,81203.000000,24216.000000
905.688949,0.522327,88947.000000,26718.000000
909.596734,0.524974,96662.000000,28859.000000
913.500215,0.533289,104594.000000,30635.000000
917.399394,0.528994,114883.000000,33983.000000
921.294269,0.542552,127556.000000,36572.000000

My question is why are the wavelengths not integral values ? Is 901.776862 same as 901 nm ? If such rounding is not correct, how can scans from other spectrometers where the wavelength numbers are integers be compared to the scans by the NIRscan Nano if the scanned substances are the same ? A simple example would be to scan a substance sample using NIRscan Nano and "3rd party spectrometer" using the 900-1700 nm range and 2nm resolution. In the NIRscan Nano, the wavelengths are not integral values. Another example is to compare the scan from NIRscan Nano with scan results from another spectrometer which is not availble at present.