Negative ion water tester (Akaline ion water tester)
Description： NEGATIVE ION WATER TESTER Akaline ion water tester Model : NI-214 * For health reason, negative(alkaline) water generator is used in the home and office popularly. However seldom peoples know the intensity of negative (alkaline) ions that are contained in the 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. * LCD display, data hold. * DC 9V battery (006P).