This document is the operation and instruction manual for the Model 3450 RoadReader™ Plus Surface Moisture-Density Gauge by Troxler Electronic Laboratories, Inc. The gauge is used to measure the moisture and density of road surfaces. The document describes the features and characteristics of the instrument.
The document is a user guide for the Troxler Model 3450 RoadReader Plus, a surface moisture-density gauge used to measure soil, concrete, or asphalt. It details how to perform standard counts, take measurements on various site types (soil, thin lift asphalt), and manage target values.
The operator should wear a dosimeter or radiation badge, and safety glasses must be worn during the soil site procedure.
You must hammer the drill rod at least 50 millimeters (2 in) deeper than the desired test depth.
The reference standard block must be placed on a surface that is at least 10 cm (4 in) thick.