WAGNER Rapid RH 4.0 EX Manual - Insert The Smart Sensor
Step 3:
Insert the Smart Sensor
Directly out of the package, the Smart Sensor is 1.6” in
length or 40% of a 4” thick slab. ASTM F2170-11, Section
10.2 states: “Slab drying from top only (example: slab on
ground with vapor retarder below, or slab on metal deck):
40% depth. Slab drying from top and bottom (example:
elevated structural slab not in metal deck): 20% depth).”
Each Smart Sensor pack includes a number of short (0.4”)
extensions that can be inserted into the Smart Sensor barrel
to enable use in thicker slabs. Adding one insert extends
the Smart Sensor barrel length to 2” for testing 5”-thick
slabs to the 40% depth. Keep any unused extensions for
future jobs. If needed, you can use additional extensions
to increase the length of the sensor barrel for thicker slab
applications.
In summary, add one extension insert to a Smart Sensor
barrel for every
1” increase in slab thickness over 4” to meet
the 40% depth requirement. The extension inserts make
the Smart Sensor’s usage flexible for varying thicknesses
of concrete.
Now, for all installations, take the Smart Sensor directly
out of the package, and with no extensions installed, insert
the Smart Sensor into the hole using the insertion tool with
orange cap placed atop for ease in pushing down on the
insertion tool. Push down on the insertion tool with cap to
insert the Smart Sensor down inside the hole, “seating” it at the bottom (review
the IMPORTANT hole diameter and uniformity comment under Step 2). Under
no circumstances should you tap or hammer the insertion tool to attempt to insert
the sensor. Doing so may cause damage to the Smart Sensor and will void any
warranty.
At this point, for 1.6” depth holes (40% of 4”), insert a protective cap into
the top of the Smart Sensor base sleeve, and push down to the concrete surface.
Or, if testing in thicker slabs, assemble the proper number of extensions, and with
the protective cap inserted into the topmost extension, push down the extensions
and cap into the hole to the concrete surface, until fully seated on the Smart Sensor,
completing the installation.
Remember: Correct depth of hole is critical to adhere to the ASTM F2170 test
method. See ASTM F2170 Best Practices section on page 11.
Caution: NEVER use your reader device (either the Smart Reader or the Easy
Reader) to install the Smart Sensor.
5
Insert Smart Sensor
Using Insertion Tool
6
Insert Smart Sensor Using Orange Cap