Ma'aunin bincike na sadaukarwa: Mai nazari ɗaya zai iya auna abun cikin oxygen lokaci guda, wurin raɓa na ruwa, abun cikin danshi, da ma'aunin raɓa acid.
Kewayon aunawa:
0°C~200°C ƙimar raɓar acid
1ppm ~ 100% oxygen abun ciki
0~100% tururin ruwa
-50°C ~ 100°C darajar raɓa
Abubuwan ruwa (g/Kg).