Prepare sample solution for analysis. KPG Products do not provide details on the preparation of samples due to the wide variety of applications and methods available.
Insert unused test strip into the Nitrachek read-head (to calibrate / zero strip)
Ready to calibrate test strip
Unused test strip
Unused test strip calibrated
Step 3 Immediately dip test strip into sample solution to be analysed for 2 seconds, remove and shake off excess solution, wait 60 seconds (countdown timer on Nitrachek) for colour change.
Activated test strip
As the countdown approaches 60 seconds (audible bleeps) 3, 2, 1, Insert activated test strip into read-head and close hatch. Measurement is automatic and the results displayed on the large LCD in ppm / Mg/l
Read out: = 99 ppm