TAKING A READING
NOTE
When not taking readings, always keep the source rod in
the SAFE position. For added operator safety, the source
rod on the 3440-L gauge automatically retracts to the
SAFE position when the gauge is picked up by the handle.
If you do not hear a “click” when the source rod is raised to the SAFE
position, look at the bottom of the gauge to verify that the tungsten sliding
block is completely closed. If the gauge base opening is not completely
closed by the sliding block, the sliding block may require cleaning. Refer
to the Cleaning the Tungsten Sliding Block section on page F–4 for
cleaning instructions.
4–2
CAUTION
Do not store or transport the gauge unless the tungsten
sliding block is completely closed. Increased radiation
levels may violate transportation regulations, and may
cause excessive personnel exposure.
SOIL MODE
Enable the Soil mode prior to taking a measurement. Refer to Chapter 2 for
more details on gauge setup.
Ensure that the site to be measured has been properly prepared. Refer to
Chapter 3 for more detail in site preparation. Position the gauge at the
proper location and release the source rod, pushing it to the proper depth.
Check to see that all parameters have been set to the correct values.
To start the measurement, press 〈START/ENTER〉 for the display:
Depth: xx
PR: xxxx
Time: xx sec.
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