The Topcon RL-SV1S Single Grade Laser is an economical and user-friendly laser that is built for single slope and layout applications. With a working range up to 2,600 feet, this laser is ideal for land surveying, geospatial monitoring, civil engineering works and other site works. The RL-SV1S offers an accuracy of ±10 arc seconds and a single grade range of ±5 percent.

Self-leveling within ±5 degrees horizontally, the Topcon RL-SV1S is designed for different indoor and outdoor tasks. Also, it features two rotational speeds of 300 and 400 rotations per minute. To provide more accuracy, it includes an RC-50 remote control.

This Topcon single grade laser features an IP66 rating which protects the instrument from dust and water. Built for long hours of work, it uses powerful batteries that operate up to 120 hours. In addition, it features an operating temperature of -4 °F to 122 °F which is built to work perfectly even under extreme temperatures.