TAKING A MEASUREMENT – SOIL MODE TAKING A MEASUREMENT – SOIL MODE
The Soil mode is automatically selected when a Proctor value is
enabled (see page 2–6).
NOTE
Model 3411-B Advanced Control Unit 2–13
2. GAUGE OPERATIONAUGE OPERATION
When not taking measurements, always keep the
source rod in the SAFE position. For added operator
safety, the source rod on the gauge automatically
retracts to the SAFE position when the gauge is lifted
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 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 Model 3400-B Manual of Operation
and Instruction for cleaning instructions.
CAUTION
Do not store or transport the gauge unless the
sliding block is completely closed. Increased
radiation levels may violate transportation
regulations and cause excessive personnel exposure.
Place the gauge over the test site. Release the gauge handle and
push it down until it is in the correct position. Ensure that the pin
engages the notch in the index rod.
Press 〈START/ENTER〉.
Depth: xx in.
Time: xxx sec.
After the count time has elapsed, the gauge displays the
measurement results in a series of six screens, as follows. Use the
up and down arrows to scroll through the various screens.
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