More than half of our products are custom made. Click here to view some of our most recent customized instruments developed for geotechnical applications.


The RST Instruments Subgrade Temperature Probe is a 9' array of thermistors which is designed to be installed in pavement subgrade to measure thermal profile over the long-term. Two types are available: analog and digital. To view complete product specifications on the Subgrade Temperature Probe click here, or on the VIEW PDF button.