Think You Have It Figured Out? 

Follow  This  Printable  "Techie  Check  List"  To  Make  Sure  That  Your  HACH Meter  Session  Goes  Smoothly


Uncover the HACH Spec 20

Turn on the HACH Spec 20

Open the lid of the HACH Spec 20

Adjust the wavelength by turning the wavelength dial on the right of the meter

Insert a cell riser/adapter

After conducting the assigned HACH test, remove the cell adapter and close the lid

Recover the HACH Spec 20