TROUBLESHOOTING
GAUGE FAILS STANDARD COUNTS
✓
Ensure the source rod opening on the bottom of the gauge is
completely closed or covered by the tungsten sliding block. If
any opening is visible, the sliding block should be cleaned.
Refer to page A–11 for instructions. If the sliding block still
does not close completely, contact the nearest Troxler Service
Center.
✓
Ensure that the standard count site is asphalt, concrete, or
compacted soil at least 10 cm (4 in.) thick.
✓
Check for 3 m (10 ft) clearance around gauge.
✓
Check that any sources are at least 10 m (33 ft) away.
✓
Ensure the source rod handle is fully latched in the SAFE
(shielded) position.
✓
Check that the gauge is positioned correctly on the reference
standard block (see Figure 4–1 on page 4–3).
✓
Perform the standard count again. If the standard count still
fails, contact the nearest Troxler Service Center.
NO DENSITY READINGS
✓
The most likely reason for no density readings is an electronic
problem, such as a failure of the detector preamplifier.
However, there is a remote possibility that the radioactive
source could have become dislodged or lost. Refer to the Source
Rod Inspection section on page A–9 for instructions on
inspecting the source rod.
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