User Manual ZFG 3.0
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3.4 Evaluation and Printing the results
Following results are shown:
Meaning of the lines:
1. Screen mode and possibly text input.
2. Test number (only with plugged in SD-card), date and time.
3. s
m
= mean value of deflection in mm.
4. s/v = degree of compatibility, which gives information about whether the existing soil can be
compacted further or not. It is an empiric value. Evaluation is only based on already compacted soil
(in general: s/v < 3,5 no further compaction possible; s/v > 3,5 further compaction possible).
5. E
vd
= dynamic deflection modulus in MN/m² (MPa).
To show the deflection graphs and individual deflection values, press the <Mode> Button.
Print the protocol by pressing the <Print> Button (see section 7.1.3.1 Usage of the printer for
further information).
Finish measurement by pressing <OK>.
Please check after measurement if the data has been saved on SD-card (Menu “View Card”).
When “repeat pulse” is shown on the display during the measurement (along with a double beep),
the reason is a plausibility check. It can be caused by hard engagement of the drop weight. When
this message appears continuously it is possible, that the soil is too soft (v>4.000mm/s or s>20mm)
or too hard (s<0.1mm). Also possible is a faulty sensor, a connection problem or a broken lead. In
this case, the measurement can not be continued (see section 4.8 Fehler! Verweisquelle konnte
nicht gefunden werden.)
3.4.1 After measurement
After performing a measurement, the device can be switched off by pressing the <ON/OFF>
button. It is also possible to continue with the next measurement. See also chapter 5 Care and
maintance.
Result TEXT
Nr:33 11.03.09 13:22
s
m
: 0.266 mm
s/v: 2.414
E
vd
: 84.59 MN/m
2
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