Testing your concrete dough for the Salt content is   extremely important. The chlorine ion measurement of   electrode.

MODEL	SGC-320
Measure Method	The chlorine ion measurement of electrode
Measure Range	0.001~1.999 (%)
Temperature	0~40 (°C)
Electric Power	AC.220 V / DC. 9 V
Size	about 330×180×114 ㎜
Weight (㎏)	3