Nơi xuất xứ
Guangdong, China
Min. Div.
ethylene glycol:5%
Functiion 2
ethylene glycol concentration meter
Functiion 1
High Accuracy Refractometer
Description 2
high-quality freezing point meter
Feature 2
high quality refractometer
Usage D
content of propylene glycol concentration
Usage A
manual portable refractometer
Feature 1
new optical antifreeze refractometer
Description 1
propylene glycol concentration meter
Usage C
portable refractometer atc