VWR International 89231-656, Руководство пользователя

Страница: 7 / 16

Calibration procedure
1. Connect the probe
to the meter. Turn the
meter on.
Note: For dissolved
oxygen calibration,
polarize the probe.
Refer to
Polarize the
dissolved oxygen probe
(89231-660
multisensor)
on page 5.
2. Push Calibrate and
select the probe if
applicable.
3. Prepare the
standard solutions in
separate beakers or
applicable containers.
4. Rinse the probe with
deionized water. Blot
dry with a lint-free cloth.
5. Put the probe in the
standard solution. Stir
the standard solution
gently at a constant rate
to prevent the formation
of a vortex.
6. Push Read . Stir
gently. The display
shows "Stable" when
the reading is stable.
7. When the reading is
stable, the meter
prompts for the next
calibration point. Do
steps
4 – 6 again for
additional standard
solutions. The
calibration is complete
when the last standard
solution is read.
Dissolved oxygen probe calibration procedure – water-saturated (100%) air
1. Turn the meter on. If
the dissolved oxygen
probe is not polarized,
polarize the probe.
2. Push Calibrate and
select the probe if
applicable.
3. Rinse the probe with
deionized water. Blot
dry with a lint-free cloth.
4. Add approximately
¼ inch (6.4 mm) of
deionized water to the
probe storage tube .
English 7