Hanna Waterproof PHEP 4 Tester With Replaceable Electrode (Model HI 98127) When HANNA introduced its first version of the pHep (pH electronic paper) in 1986, it immediately revolutionized the standard in pH measurement. pHep's ease-of-use in ... Details...
FOR Hanna Waterproof PHEP 4 Tester With Replaceable Electrode (Model HI 98127) When HANNA introduced its first version of the pHep (pH electronic paper) in 1986, it immediately revolutionized the standard in pH measurement. pHep's ease-of-use in ... Details...