Lutron Electronics FR-5120, Operation Manual, Page: 7 / 12

4. MEASURING PROCEDURE
4-1 Pay attentions for the measurement
1)When make the fruit hardness testing, it always use
compression function, the display will show the '" - "
mark automatically.
Remark :
The meter can use the " Tension " measurement,
however for the fruit hardness measurement is not
use this function typically.
2)Pressure head and fruits should be vertical surface.
When make the measurement, the Sensing Head
along the tip should be on a line with measuring fruits
( ref. Fig. 2 )
Fig. 2
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