Pen type, auto calibration
DISSOLVED
OXYGEN METER
Model : PDO-519
Your purchase of this
DISSOLVED OXYGEN
METER marks a step
forward for you into the
field of precision
measurement. Although
this METER is a complex
and delicate instrument,
its durable structure will
allow many years of use if
proper operating
techniques are developed.
Please read the following
instructions carefully and
always keep this manual
within easy reach.
OPERATION MANUAL