20
OPERATING INSTRUCTIONS
Temperature recorder
How to replace the battery
Replace the dry cell once a year as follows:
1. Pull up the pen holder first, then pull out cartridge
from the mounted position.
2. Reset the battery chamber cover with wire, on the
bottom left side, and take out the cell.
3. Set a new cell by turning its anode to this side.
4. Shut the cover after exchanging cells. Mount the
cartridge as before and lay down the pen holder.
Pen holder
Install a recording pen in the recording hand as shown in the figure. Make sure that the pen is
completely inserted for accurate recording.
The pen in packed together with the chart.
1. Let down the lever of the pen holder, then pull out
the cartridge from the mounted position.
2. Pull out the used pen.
3. Insert a new pen.
4. Mount the cartridge into place.
5. Lift up the pen holder lever and make sure that
the pin point touches the chart.
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