Oakton* Waterproof pHTestr* 1, pHTestr 2, pHTestr 3 and pHTestr 3+

pHTestrs* are reliable and economical pocket-sized instruments. Replaceable sensors give longer life, lower drift, and are a better value. This is due to the advanced high volume internal reference electrolyte gel, superior reference wire technology and clog resistant junctions. All of the pHTestrs listed are IP-67 rated, dustproof and the meter bodies are reusable. Operating temperature of 0° to 50°C. Double junction models are ideal for harsh applications.