The DR 3900, 6000, or 1900 Spectrophotometer is reading Absorbance or Transmittance in a Hach stored program, how can this be changed to concentration?
DR 3900, 6000, or 1900 change reading to stored concentration in Hach program
If the DR 3900, 6000, or 1900 is on a Hach stored program and displaying either % Trans or Abs, to change it to the concentraton press Options and select the % Trans/Conc/Abs key. Depending on which form the instrument is displaying the key might read Conc/Abs, Abs/%Trans, or %Trans/Conc. Select this option to cycle to the desired output.