1535nm Laser Rangefinder​ Module 4000m SFB4000R

Compact, high-precision laser rangefinder designed for demanding applications in defense, outdoor sports, and industrial surveying. Ideal for integration with electro-optical systems, its rugged design ensures reliability in extreme conditions (-40°C to +60°C).

Key Features

  • Ultra-compact (55x34x45mm) & lightweight (85g)
  • Military-grade accuracy (±1m) up to 4km
  • Adjustable repetition rate (1Hz–10Hz) for dynamic scenarios
  • Eye-safe 1535nm wavelength with minimal beam divergence (0.5mrad)
  • Low power consumption (DC 9–15V)

Applications

  • Tactical defense systems
  • Hunting
  • Maritime navigation
  • Construction surveying
  • Outdoor exploration

Specifications

ParameterPerformance Indicator
Laser Wavelength1.535 μm ± 0.01 μm
Laser Beam Divergence Angle0.4 mrad ± 0.1 mrad
Maximum Ranging Distance≥ 4 km
Minimum Ranging Distance≤ 30 m
Laser Repetition Frequency1 Hz - 10 Hz adjustable
Ranging Accuracy≤ ± 2 m
Correct Measurement Rate≥ 98 %
Ranging Mode and DurationSingle / Continuous; Max. continuous ranging time for single operation: not less than 30 min
Power Supply VoltageDC 9 V ~ 15 V
Power ConsumptionStandby: ≤ 1.5 W; Rated: ≤ 3.5 W; Peak: ≤ 7 W
Communication InterfaceRS-422 / TTL
Volume≤ 55 mm × 34 mm × 45 mm
Weight≤ 75 g
Operating Temperature-40 ℃ ~ +70 ℃
Storage Temperature-50 ℃ ~ +75 ℃
Laser Optical Axis Stability≤ 0.3 mrad (over full temperature range)
Non-Parallelism of Laser Axis to Mounting Datum≤ 0.3 mrad

Note: All performance specifications and interfaces can be customized to meet specific requirements.