Labnox ORP Meter Oxidation Reduction Detector Redox Tester for Water Purity Digital TDS Meter

The ORP meter is a professional tool for testing Oxidation Reduction Potential of your water . Temperature in Fahrenheit or Degree Celsius. How To Use : Remove the protective cap Turn the meter on by pressing the ON key Immerse the electrode in the solution to be tested Stir gently and wait for the reading to stabilized Pres the HOLD key, the reading is be kept.When repeat measuring ,please press the HOLD key again ,it automatically relieces the hold condition After use ,turn the meter on by pressing the OFF key .Replace the protective cap after use.