Hanna Instruments HI 300N - Manual (Page 11)

21 20
• Allow sufficient time
for the mixing opera-
tion to attain uniform
rotational flow.
• When stirring is
complete, turn the
SPEED knob to the
OFF position.
• If no further stirring
is required, turn the
stirrer off.
MAGNETIC STIRRER
HI 190M
POWER
SPEED
ON
OFF MAX
MAGNETIC STIRRER
HI 190M
POWER
SPEED
ON
OFF MAX
OPERATIONAL GUIDE FOR
HI 300N and HI 310N
• Make sure that the
SPEED knob (on
the front panel) and
the ON/OFF switch
(on the rear panel)
are in OFF position.
• Place a beaker or
glass container at
the center of the top
of the stirrer, and
place the stirring bar
in the beaker.
• Pour the liquids to
be mixed into the
beaker.
Do not fill up to the
brim and leave suffi-
cient space to pre-
vent spillage during
stirring.
• Connect the power
cord to the mains
and turn the stirrer
on.
• Adjust the SPEED
knob slowly until the
required stirring
speed is achieved.
MAGNETIC STIRRER
HI 190M
POWER
SPEED
ON
OFF MAX
MAGNETIC STIRRER
HI 190M
POWER
SPEED
ON
OFF MAX
MAGNETIC STIRRER
HI 190M
POWER
SPEED
ON
OFF MAX