License key for the activation of selected methods for measurements in marine water.

Inside the licence pack
(the list of activated methods):

• Z010M – Alkalinity KH marine water
• Z050M – pH 4.5 – 9.0 marine water
• Z210H – Nitrate NO3 high range
• Z210L – Nitrate NO3 low range
• Z220H – Nitrite NO2 high range
• Z220L -Nitrite NO2 low range
• Z231 – Total ammonia NH4 marine water
• Z240M – Phosphate PO4 marine water
• Z410 – Iron Fe
• Z430M – Copper Cu marine water
• Z440 – Silicon Si
• Z450M – Potassium K marine water
• Z462 – Calcium Ca marine water
• Z463 – Magnesium Mg marine water
• Z610M – Sulphate SO4 marine water

The activated and entered key remains valid after photometer software resets or updates.