Etekcity Digital Handheld pH Meter Messgrät with 0.05 pH High Genaunigkeit, 0.00 -14.00 pH range, ATC (0 ~ 50 ℃), for pH measurement in the aquarium / pool / household / laboratory, 12 month warranty, red (Misc.)
The calibration of the instrument using the supplied buffer solutions is not a big expense. After that each measurement is very fast. In 2 seconds you can read a value with relatively high accuracy (+/- 0.1). Movements leave the value may vary slight
