Model Measuring Range Min Scale
REF416
(DOT3)

DOT3

Boiling point 250~500℉/1~6H2O
High  temp
Boiling point 250~570℉/ 1~6H2O
1% H2O
REF417
(DOT4)
DOT4
Boiling point 125~275℃/1~6H2O
PLUS(SUPER)
Boiling point 150~275℃/1~6H2O
1% H2O
 
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