new accurate electronic conductivity 1.high accuracy 2.Long-lasting test and control the EC 3.fit fresh water salt water KL-308 Digital Conductivity Controllers   Descriptions:Kelilong EC controller offers continuous and accurate EC reading. It also offers alarm...

new accurate electronic orp controller 1.high accuracy 2.Long-lasting test and control the orp 3.fit fresh water salt water Digital orp controller orp meter   Descriptions:Kelilong ORP controller offers continuous and accurate MV reading. It also offers alarm when MV...

Dual monitoring of pH and ORP in large LED display and single control of either pH or ORP. PH-303 Digital ph Controller for aquarium  Descrptions:Dual monitoring of pH and ORP in large LED display and single control of either pH or ORP. Highly accurate. Digital pH-ORP...

Kelilong pH,EC,TDS,ORP Testers,Redox readings in swimming pools,pH and TDS measurement in Aquariums.Refractometer, Massager,etc KL-301 Digital aquarium ph controller Descriptions:Kelilong pH controller offers continuous and accurate pH reading. It also offers alarm when pH...

*Eight Advantage, Best Choice of Analysis Instruments in KELILONG *Good technology and Service *The lowest price in the world KL-169B orp pen tester  Descriptions:  ORP is Oxidation-Reduction Potential , it represents the solution of oxygen Of potential. The ORP value...

Kelilong pH,EC,TDS,ORP Testers,Redox readings in swimming pools,pH and TDS measurement in Aquariums.Refractometer, Massager,etc The ORP Pocket Tester measures oxidation reduction potential from -1999 to +1999mV. Convenient for quick checks of active sanitizers. Descriptions:...

*Eight Advantage, Best Choice of Analysis Instruments in KELILONG *Good technology and Service *The lowest price in the world KL-169A Waterproof Pen type ORP MeterDescriptions:  ORP is Oxidation-Reduction Potential , it represents the solution of oxygen Of potential. The...

*Eight Advantage, Best Choice of Analysis Instruments in KELILONG *Good technology and Service *The lowest price in the world KL-169A Waterproof ph orp meter controller Descriptions:  ORP is Oxidation-Reduction Potential , it represents the solution of oxygen Of potential....

*Eight Advantage, Best Choice of Analysis Instruments in KELILONG *Good technology and Service *The lowest price in the world KL-169A waterproof orp pen tester Descriptions:  ORP is Oxidation-Reduction Potential , it represents the solution of oxygen Of potential. The ORP...

Kelilong pH,EC,TDS,ORP Testers,Redox readings in swimming pools,pH and TDS measurement in Aquariums.Refractometer, Massager,etc KL-169A Waterproof Pen type ORP Tester Descriptions:  ORP is Oxidation-Reduction Potential , it represents the solution of oxygen Of potential. The...