Installing the 100W/100W+ and 100WP/100WP+ ERT Module
-0909-006 100W/100W+ and 100WP/100WP+ Datalogging Water ERT Module Installation Guide 16
Proprietary and Confidential
Required Tools and Hardware
• Hammer
• 1/2-inch outside diameter rod (you may use either a square or round rod)
• Tape measure
• Rod-driving tool (optional)
• Rod cutting tool
The 1/2-inch diameter rod hole is shown in the following 100W/100W+ and 100WP/100WP+ ERT module
bottom and side views.
To install the 100W/100W+ and 100WP/100WP+ ERT module on a rod
1. Remove the pit lid. Inspect the area to make sure there are no buried cables, pipes, or other obstructions.
2. Measure the pit box depth from the top of the lip (where the lid will rest) to the bottom of the pit. Be sure
to measure the depth at the point where you will drive the rod into the ground.
3. Add 12 inches to the pit box depth measurement taken in step 2. The resulting total represents the
minimum length of rod needed. Soil types and moisture conditions may require longer rod lengths to
ensure the ERT module is well supported and remains vertical.
4. Without touching the meter body or adjacent pipes, position the rod as close to the center of the pit as
possible. Drive the rod into the ground. Ensure the rod remains vertical.
Note The rod shown has an end cap to protect the rod while driving it into the ground.
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