NEGATIVE ION WATER TESTER Akaline ion water tester. For health reason, negative(alkaline) water generator is used in the home and office popularly. ã€€However seldom peoples know the intensity of negative (alkaline) ions that are contained in theã€€water. NI-214 is the useful tester to measure the negative ion value in the water. Tester with negative ion (ORP) probe and the carrying case.
Measurement range: 0 to 1,999 mV.
Functions: data hold.
Power: DC 9V battery (006P).