1. VARiON Plus 700 IQ

VARiON Plus Ammonium/Nitrate Armature, requires ion selective electrodes, reference and compensating electrodes listed below ...

2. VARiON Plus NO3

VARiON Plus Nitrate electrode (1-2 per year) ...

3. VARiON Plus Cl

VARiON Plus Chloride electrode for compensating nitrate measurement (1-2 per year) ...

4. VARiON Plus NH4

VARiON Plus Ammonium electrode (1-2 per year) ...

5. VARiON Plus K

VARiON Plus Potassium electrode for compensating ammonium measurement (1-2 per year) ...

6. NitraLyt NOA/AT

Use VARiON Plus NO3 p/n 107045 ...

7. AmmoLyt NHA/AT

Use VARiON Plus NH4 p/n 107044 ...

8. WTW - VARiON Plus

WTW‘s VARiON® Plus Family: On-line Ammonium and Nitrate Ion Selective Measuring – Calibration-free with Automatic Compensation WTW, a Nova Analytics company, world leader in water quality measurement products ...