Topcon TP-L4GV Green Beam Pipe Laser

Topcon TP-L4GV

Unbeatable visibility, patented scanning technology, simple operation. Once you see it, the TP-L4GV will be the only pipe laser you’ll use.

TP-L4GV features include:

GreenBeam® technology
SmartLine® to make second day setup and alignment automatic.
Automatic line centering and grade zeroing.
World’s Only 3-way beam for fast, accurate setups.
Bright, easy-to-read rear display.
World’s Best long-range spot quality.
RC-200 radio remote for complete control of all TP-L4GV functions from up to 660 feet away.
All metal, waterproof housing so you know it’ll survive even under the toughest conditions.
Topcon’s innovative Green Beam® technology gives you the advantage of a beam that’s four times brighter than conventional beams. That means you never lose track of it – even in direct sunlight! With the TP-L4GV Green Beam® setups are faster and easier than ever before.


The TP-L4GV also has SmartLine® for fast, simple alignment. Just set the target at the far end of the last section of pipe and push the alignment button on the RC-200 remote. The beam automatically centers on the target for perfect alignment every time. You can even use SmartLine® for quick above ground setups!

Topcon TP-L4GV Lasers & Levels

horizontal ± 10″ arc seconds
temperature drift 0.5″/C arc seconds per degree C
type 532 nanometers, Green Beam™ diode
power IIIa class, 4.5 miliwatt
Operating Range
laser 5 to 150 meters
line range ±15%
range -15% to +40%
remote control operation 200 meters from front (in pipe), 45 from behind
Line Control
width ±15% degrees
mechanical system Absolute encoder
self leveling range ±10% degrees
intelligent feature SmartLine™
alignment operating range 5 to 150 meters
line centering yes auto
grade zeroing yes auto
plumb reference Laser/LED
source 4 D NiMH standard, 4 D-Size Alkaline optional
aproximate battery life 45 standard hours, 32 optional hours
Operating Temperature -20° to +50° Celsius, 4° to +122° Fahrenheit
Waterproof At least 16.5 ft (5 m) for 24 hours
Dimensions (LxWxH) 4.9″ x 14.7″ inches, 125 x 374 Millimeters
Weight 8.21 pounds, 3.8 kg
Optional features
plumb beam 633 nm laser diode, 0.5 mW beam power, ±1’ / ±3.5’ accuracy
Rolling Indication yes indication, ±4 range

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Topcon TP-L4GV Spec Sheet