testo 205 - pH/temperature measuring instrument for semi-solid media
Product Part-Number: 0563 2051
testo 206-pH1 - pH/temperature measuring instrument for liquids
Product Part-Number: 0563 2061
testo 206-pH2 - pH meter
Product Part-Number: 0563 2062
testo 206-pH3 - pH measuring instrument (for flexible use)
Product Part-Number: 0563 2063
testo 270 - Cooking oil tester
Product Part-Number: 0563 2750