Linux native USB library loaded. spectrometer type: HR2000+ s/n: HR+C1886 number of channels: 1 firmware: 3.30.0 Integration time 500.0 [ms], number of spectra 1 Sampling time 520000.0 Number of pixels: 2048 Loop 1 of infinite Waiting on trigger Spectra acquired board temperature: 27.123264000000002 dt[ms]= 0.000 end Detected device change on USB The interface was claimed successfully. Closing interface 0.