ORP (Oxidation Reduction Potential) Meter, also been called asDigital ORP Meter or ORP tester, it’s the device that do ORP measurement for liquid, which had been widely used in the Water Quality Testing applications.
AZ8552 ORP Pen was being designed and manufactured by AZ Instrument, a well experienced manufacturer for Environmental Measuring Instrument.
Features: 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).