Cojali jaltest JT3011 Manual De Instrucciones página 2

3. CONSUMER NOTICE
1. When you put the calibration
solutions or your sample to be tested on
the daylight plate, make sure the liquid
spreads across the entire surface of the
prism without air bubbles or dry spots.
POOR
2. Do not put the instrument into water to
wash, this may lead the refractometer to
be foggy or rusty inside.
3. Clean the instrument with a soft cloth
after each use, keep the refractometer dry
and clean, that can make the instrument
accurate and durable.
4. Please, do not loosen any connection
part, do not let the instrument drop or
collide and do not shake it intensely.
5. Please, keep it in dry place free of
corrosive gas.
POOR GOOD
PORTABLE
REFRACTOMETER