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5.
Calibration Check
There are two checked calibration in the cap of the instrument. Use the needle
touch the two poles of calibration. When checking the calibration, the A scale should
be selected and the temperature probe must be disconnected. Correctly calibrated the
instrument will register %H2O
values in the range 17.7 to 18.3(at the “T” calibration)
and in the range 25.5 to 26.5 (at “B” calibration). (If the
tolerance overs+/-1 the
instrument can’t accurately measure the moisture of timber, then open the back
cover, adjust the rheostat to make it tolerance meet the range.
)
6.
Care and Maintenance
When the instrument is not in use, keep it in its pouch together with its
accessories. Store the kit in a stable, dust-free environment out of direct sunlight.
Remove the batteries from the instrument if it is to be stored for periods of more than
one month, or when the low battery power symbol appears on the display. Check the
condition of accessories used with the instrument on a regular basis and replace them
if they become worn or damaged.