pH Meter: 1. LCD Monitor 2. 2 Buffer Solutions 2. High accuracy 4. Compact and portable pen-type for pH testing PH Meter - Product Code: 80022You are viewing is a high accuracy pen-type pH meter for you to test pH level of liquids in various industries and applications such as Hydroponics, Aquariums, Swimming Pools, Spas and Food processing etc.Since pH value varies with temperature, this pH ...