--Measuring Range : 1 to 13 pH ( typical 0 to 14 pH ).

--Measuring Temperature : 5 to 60 ( 41 to 140 ).

--Electrode Structure : Combination type.

--Zero Potential for 7 ± 1 pH.

--Body Material : Epoxy.

--Build the Temp. sensor ( thermistor ), used for ATC ( automatic Temp. compensation ).