Oxidation / Reduction Potential Tester has been completely sealed against humidity and it is designed to float. Microset Instrumentation & Controls manufactures Oxidation / Reduction Potential Tester.Microset Instrumentation & Controls also manufactures wide range of transmitters and sensors. Oxidation / Reduction Potential Tester is waterproof. The exposed stainless steel temperature sensor facilitates faster and more accurate temperature measurement. It comes with Dual-level LCD. It is offered with the Battery percentage Level at start up and stability indicator.