-
2 Points Calibration Benchtop pH Meter With NIST Standard Recognition— CialanpH range:-2.00~18.00pH
pH resolution:0.01pH
Accuracy:0.01pH
-
5 Points Calibration Industrial Chemical Benchtop pH Meter — CialanpH range : -2.00~20.00pH
pH resolution : 0.1,0.01pH
Accuracy : 0.01pH