... ION Meter This precision pH/ION meter is used to measure acidity and alkalinity of liquids. It can measure ion concentration directly by using of different ion ... , Fluoroborate, Idodide, Lead, Nitrate, Silver/Sulfide, Sodium Models and SpecificationsModelRIB1000pH Range0.00-14.00pHpH Resolution0.01 ... 100/240V (Bench top)4X1.5V“AAA”alkaline battery (Portable) Portable pH/ORP Meter Selection Guide ...