HOW TO USE THIS MANUAL
Congratulations on the purchase of the Troxler Model 4590
Surface Density Gauge.
The Model 4590 Manual of Operation and Instruction contains
information on how the Model 4590 operates and provides
directions on the use of this gauge. Site selection, basic
parameter setup, moisture and density determination, data
storage, and advanced operations are included, along with
radiological information and system troubleshooting.