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The RT-5SW was built from the ground up with long range, high precision dual slope applications in mind. From agricultural land leveling to large construction sites, there isn't another laser available that can deliver dual slopes this accurately or easily. It features an integrated RF remote controller ("RC300W") which is capable of two way communication up to 300 meters in range. And with the RT-5SW's unique Auto-Alignment feature, set up is fast and accurate!


  • World's first 5 arc second repeatability system
  • Two-way, RF remote delivers 300 meters (1000') of 360e communication
  • 1200 meter (4000') diameter working range
  • Auto alignment has range of up to 150 meters
  • Grade matching function
  • Electronic beam masking
  • Long battery life; 30hrs on Ni-MH rechargeable, 40 hrs on Alkaline
  • Dustproof/waterproof, rugged design

Technical Specifications

horizontal/vertical 10" arc seconds, 1/16" inches @ 100'
repeatability 5" arc seconds
temperature drift 0.3"/C arc seconds per degree C
type 685 nanometers, visible diode
power N/A, High 4.5/Low 1.5 miliwatt
Range (with sensor)
diameter 4000 ft, 1,200 w/LS-70 meters
Rotary Speed
rotation rate 300, 600, 900, 1,200 RPM
mechanical system Full Automatic w /Dual Axis Electronic Sensor
self leveling range ±5° degrees
set-up SmartLine™ Automatic
axis dual
range X: +/- 10%, Y:+/- 25%
increment 0.00001 degrees
structure Direct Encoding
source Rechargeable NiCd standard, 12V DC optional, N/A
aproximate battery life 20 standard hours, 40 optional hours
Operating Temperature -20° to +50° Celsius, 4° to +122° Fahrenheit
Water/Dust resistance IPX6 rating
Dimensions (LxWxH) 8" x 11.3" x 13.3" inches, 203 x 286 x 337 Millimeters
Weight 17.4 pounds, 7.9 kg
Low Voltage Indicator yes
Remote Control yes (RC-300)
Warranty 2 years

For fast, accurate setup, Topcon incorporated a version of their patented SmartLine™ system. SmartLine™ lets you match the previous day's grade simply and quickly. Simply place the alignment target on your alignment point and use the remote control to select the auto-alignment function. The RT-5SW will automatically scan until it finds the target, and then it will rotate the transmitter's grade mechanism to line up be perfectly on the exact center of the alignment target. That's it! You're right where you left off the day before and ready to go to work.

The control panel for the RT-5SW is actually the RC-300W remote. Simply remove the remote from the RT-5SW after set-up and you're in complete control of the RT-5SW from up to 300 meters (1000') away. All of the information you need is at your fingertips and control!

For more details download the brochure :



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