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PROBE PREPARATION:
The meter is supplied with a 9V battery. Slide off the battery
compartment cover on the back of the meter. Install the battery
into the battery clip connector while observing polarity.
D.O. probes are shipped dry. Assemble the probe and prepare
it for use, connect it to the meter and proceed as follows.
1. Remove the red and black plastic cap.
This cap is used for shipping purposes
only and can be thrown away.
2. Wet the sensor by soaking the bottom
2½ cm of the probe in electrolyte
(MA9071) for 5 minutes.
3. Rinse the membrane (supplied with the
meter) with electrolyte while shaking it
gently. Refill with clean electrolyte.
4. Gently tap the sides of the membrane
with a pencil or a rod to disengage
air bubbles. To avoid damaging the
membrane, do not tap the membrane
directly on the bottom.
5. Install O-Ring properly inside the
membrane cap.
6. With the sensor facing down, screw
the cap clockwise. Some electrolyte will
overflow.
7. Examine membrane to verify air is not
trapped between the membrane and
electrode tip.
When probe is not in use and during
polarization, place the protective cap
supplied over the electrode tip.
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