- 24 -
3. Cut a piece of gauze large enough to fit around the bulb
(100 x 25 mm), and dampen it with distilled water. Extend
the gauze about 10mm from the end of the bulb, and wind
the gauze around the sensing part without making wrinkles.
4. Use cotton thread to tie the gauze firmly around the
sensing part.
(about 30mm from the tip of the bulb)
5. Tie of the end of the gauze with another piece of tread. The knot
should be snug.
6. Cut off the gauze about 2 or 3 mm beyond the end of the
sensing part.
7. Carefully pull out and remove the horizontal threads
(woofs) of gauze above the hollow of the sensing part,
leaving only the vertical strands (warps). Make a string by
binding the remaining wraps of gauze.
8. Put back the lower part of air intake tube, clamp, and insert the string into the water reservoir.
Follow steps 4, 5,
6 in “Replacing the wick”.
Cautions
●
On interval of water supply
Duration of continuous operation with a supply of water differs depending on the circumstances
where the instrument is used. Be careful about water level of feed water tank referring to the
following table 1. Refer to the following chart just for a rough standard.
Lower than 40%rh
Higher than 40%rh
Lower than 15
℃
about 20 hours
about 30 hours
15 to 35
℃
about 25 hours
about 35 hours
35 to 50
℃
about 15 hours
about 20 hours
Tie off the end
of the gauze
Cut off the
gauze
Make a string by
binding the
remaining warps
Knot
above
bulb
Bul
b
Use cotton thread
to the gauze
firmly
