Topcon RL-SV1S is a durable, cost effective laser that is designed for single slope applications. This laser has a solid feature set with a rugged exterior.



Single slope application

Designed for single slope laser applications. Slopes up to ±5% can be used in the X-axis.

Long battery life

Contractors who want a laser with a long battery life will love the RL-SV1S. With an operating time of 120 hours on alkaline batteries or 65 hours with the rechargeable Ni-MH battery pack, this laser will still be working long after others have quit.

High Powered

With an operating range of over 800m (diameter) the RL-SV1S has the power to cover even the biggest projects.

All-weather dependability

With the IP66 rating, the RL-SV1S is “jobsite tough” and can withstand dust, a sudden shower and even torrential rainfall.


  • Long Range Operation – 800m (diameter)
  • Single Slope Application
  • Extra Long Battery Life
  • Tough IP66 Construction Rating
  • Remote Control (RC-50 remote included)
  • Digital Value Readout
  • LS-100D Sensor (optional)



H: ±10 arc seconds
Self-Leveling Range
Horizontal ±5°
Single, ±5%
Working Area
800 m (diameter)
Rotation Speed
300, 600 rpm
Dust/Water Protection
Operating Temperature
-20ºC to 50ºC
Alkaline: 120 hours
Ni-Mh: 65 hours


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