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Topcon's TP-L4B is the perfect entry-level utility laser for those in search of high accuracy and great features at an economical price. Like the TP-L4BG, the TP-L4B provides automatic line centering and grade zeroing, along with the incredible accuracy you expect in a Topcon pipe laser, all with a bright, perfectly round red beam.


  • Automatic line centering and grade zeroing.
  • Bright, easy-to-read rear display.
  • World's Best long-range spot quality.
  • RC-200 radio remote for complete control of All metal, waterproof housing so you know it'll survive even under the toughest conditions.

Technical Specifications

horizontal ± 10" arc seconds
temperature drift 1"/C arc seconds per degree C
type 633 nanometers, red 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
line centering yes auto
grade zeroing yes auto
source 4 D NiMH standard, 4 D-Size Alkaline optional
aproximate battery life 70 standard hours, 48 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

For more details download the brochure :



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