* 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 thatare 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).