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DOCUMENT 301925, REVISION A
8. Tighten the stud nut with a 7/16" end-wrench and check the
orientation. As you tighten the nuts, the studs will move slightly,
forcing the locking cones to firmly grip the concrete. The final
torque should be 20-26 inch/pounds (2.26-2.94 Nm).
Note:
If you use a compass to determine the true north-south axis, be
sure to correct for the difference between magnetic north indicated
by the compass, and true north (magnetic declination). This
deviation depends on your location; find the correct deviation on a
local topographical map.
Connecting to the Data Logger
If you have purchased an optional connector and Kinemetrics' mating
cables, just connect the two cables and proceed to the next section.
If you are:
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Making your own cable,
Using a cable that is longer than 1,000 feet (330 meters),
Using a cable that has conductors thinner than 20 AWG,
Or using the high- gain differential output,
read Chapter 6, Advanced Installation.
If you are connecting to the sensor pigtail, proceed with the following
instructions:
Pigtail Wiring
There are several ways to connect to the unit’s pigtail:
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Use a terminal block that clamps directly to the wire, such as those
made by Phoenix Contact.
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Attach spade terminals to the wiring by crimping or soldering and
then use a screw terminal block for the connections
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Use small wire nuts (for temporary installations)
These connections must always be protected from moisture and physical
damage. To prevent EMI/RFI from interfering with your installation it may
be necessary to make these connections in a grounded metal box.
Make the connections using the wiring table below.
Caution! Incorrectly wiring these connections can result in serious
damage to the EpiSensor or the attached recorder.
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EPI SENSOR ES-U USER G UIDE