Step 1                                                                                                                   

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.

Step 2                                                                                                                 

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

Step 4                                                                                                                      

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