1. Clean the inside
and outside of the
cells and caps by
washing with a
laboratory glass
cleaning detergent.
Follow with multiple
rinses with distilled
or demineralized
water.
2. Apply a small
bead of silicone oil
from the top to the
bottom of the cell.
3. Use the provided
oiling cloth to spread
the oil uniformly.
Wipe off the excess
so that only a thin
coat of oil is left.
Make sure that the
sample cell is almost
dry with little or no
visible oil.
Note: Store the oiling
cloth in a plastic
storage bag to keep the
cloth clean.
8.3 Store the sample cells
N O T I C E
Do not air dry the sample cells.
Note: Always store the sample cells with caps on to prevent the cells from drying.
1. Fill the sample cells with distilled or demineralized water.
2. Cap and store the sample cells.
3. Wipe the outside of the sample cells dry with the a soft cloth.
8.4 Replace the battery
W A R N I N G
Explosion hazard. An expired battery can cause hydrogen
gas buildup inside the instrument. Replace the battery before
it expires. Do not store the instrument for long periods with a
battery installed.
W A R N I N G
Potential fire hazard. Use only alkaline or nickel metal hydride batteries
(NiMH) in the meter. Other battery types or incorrect installation can
cause a fire. Never mix battery types in the meter.
For battery replacement refer to Install the battery on page 7.
1. Remove the battery cover.
2. Remove the batteries.
3. Install 4 AA alkaline or 4 AA nickel metal hydride (NiMH) batteries.
Make sure that the batteries are installed in the correct orientation.
4. Replace the battery cover.
8.5 Replace the lamp
C A U T I O N
Burn Hazard. Wait until lamp cools down. Contact with the hot lamp
can cause burns.
English 13
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