HI772 Controllore alcalinità marina (dKH) HC - Strumenti Hanna
The HI772 Checker. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in color. Range 0.0 to 20.0 dKH. Resolution 0.1 dKH. Accuracy @ 25°C/77°F ±0.3 dKH ±5% of reading.