Hach-Lange SENSION+ 50 49 User Manual - Manual (Page 12)

Measurement procedure
1. Connect the
multisensor to the
meter. Set the meter to
on.
Note: Before dissolved
oxygen measurement,
polarize the probe if the
probe is not polarized. 2. Turn the protective
shroud and remove it
from the multisensor. 3. Turn the probe
storage tubes and
remove the tubes from
the probes. 4. Rinse the probe(s)
with deionized water.
Blot dry with a lint-free
cloth.
5. Put the protective
shroud on and turn to
tighten. 6. Put the multisensor
in the sample and stir
with the probes or a stir
stand and stir bar. 7. To measure bodies
of water, move the
multisensor up and
down approximately
7-15 cm (3–6 inches) to
circulate the sample
around the probe tips. 8. Push Read.
9. Repeat steps 4–8 for
additional
measurements. 10. When the
measurements are
done, prepare the
probe for storage. Refer
to
Storage
on page 13.
Maintenance
Replace the probes
Each probe of the multisensor has a unique mini-MP connector.
10 English