Digital PH Meter - 0.01 PH High Accuracy Water Quality Tester PH 0.0-14.0 PH Monitor ATC Pocket Pen Analyzer Pool Water Aquarium Pocket Portable (Yellow)

A pH meter is an instrument used to measure acidity or alkalinity of a solution - also know as pH. pH is the unit of measure that describes the degree of acidity or alkalinity. It is measured on a scale of 0 to 14. 

Preparation Method:

• The Factory is equipped with A Ph of three powder standard buffer Each Packet. Each packet can configure the 250ml buffer ,do not use metal containers, the preparation method is illustrated by the example of the preparation of =6.86 value 250mlph standard buffer solution:
• To prepare A Capacity of more than 250 ml of clean container, remove PH=6.86(green) buffer plastic pouch, the internal two sachets of white powder like material into the container within.
• In the container when 250ml of distilled water ,distilled water ,if there is no available  commercially bottled pure water instead of 250 ml
• Clean the glass ord or other tools with slow stirring - until the powder is completely dissolved.
• The same buffer method - other standard configuration, after the completion of the preparation of three kinds of buffer, should be promptly affixed to the label, in case of confusion