ST400C Sonic Tracer

The weatherproof ST400C Sonic Tracer is an ultrasonic sensor that can be used to reference string line, curb and gutter or the previous pass as a grade control reference.

• Used as part of an automatic grade control system
• Features an integrated grade display unit and selectable on-grade accuracy to allow the configuration to match jobsite tolerances
• Exceeds industry standards for vibration, temperature, and electrical protection
• Currently featured on M-series and H series motor graders