INJIE 4000LRT-X Laser Altimeter & Rangefinder
INJIE 4000LRT-X Laser Altimeter & Rangefinder
High-Precision Distance and Height Measurement with Angle Calculation
The INJIE 4000LRT-X is an advanced optical product based on the latest optical and laser pulse ranging technology. Featuring an 8× magnification and a 24 mm objective lens, it delivers clear observation and precise distance measurement. The eyepiece allows left-right rotation for diopter adjustment, and the device supports measurements up to 4000 meters with an accuracy of ±0.5 m.
Compact and lightweight, with a rugged IP66-rated housing, it provides clear optical imaging and simple operation. Its strong functionality makes it ideal for military observation, border and coastal patrol, public security monitoring, and customs inspection. The 4000LRT-X is the perfect tool for police, armed forces, special forces, and patrol operations.
Key Features
High-Precision Measurement – Distance range: 10–4000 m; accuracy: ±0.5 m.
Optical Performance – 8× magnification, 24 mm objective lens for clear target observation.
Multiple Measurement Modes – Single measurement, continuous measurement, horizontal distance, height, and angle measurement.
ED Low-Dispersion Glass – Accurate and vivid color reproduction with precise measurement.
High-Definition Optics – 8× objective lens system ensures sharp, stable imaging.
Scanning Mode – Quickly measure multiple targets or track moving objects.
Rotatable Eyepiece with Diopter Adjustment – Suitable for users wearing glasses.
Close Focus – Minimum focusing distance down to 10 m.
Durable Design – Rugged construction with IP66 waterproof and dustproof rating.
USB Data Interface – Supports data output for analysis.
OLED Display – Advanced reflective OLED screen for easy reading.
Ultra-Lightweight – Only 223 g (without battery), portable for field use.
Functional Overview
Single Measurement – Short press the power button to measure a target once.
Continuous Measurement – Long press the power button (>2 s) to enter continuous measurement mode. The display alternates showing distances; release the button to stop.
Measurement Failure – Screen shows a prompt; short press the power button to retry.
Horizontal Distance Mode – Measures distance, horizontal distance, and angle. Supports continuous measurement; shows negative sign for downward angles.
Vertical Height Mode – Measures distance, vertical height, and angle.
Two-Point Height Mode – Measure target points A and B sequentially to calculate height difference between the two points.
Technical Specifications
| Specification | Details |
|---|---|
| Distance Range | 10–4000 m |
| Measurement Accuracy | ±0.5 m |
| Angle Range | ±90° |
| Angle Accuracy | ±1° |
| Laser Type | 905 nm (Class 1) |
| Magnification | 8× |
| Objective Lens Diameter | 24 mm |
| Effective Eyepiece | 16 mm |
| Exit Pupil Diameter | 3.4 mm |
| Eye Relief | 15.5 mm |
| Field of View | 6.6° |
| Power Supply | 18650 battery (3.7V 2000 mAh) |
| Housing Protection | IP66 |
| Weight | 223 g (without battery) |
| Dimensions | 101 × 99 × 46 mm |
Package Contents
INJIE 4000LRT-X Laser Altimeter & Rangefinder
Lanyard
Cleaning Cloth
Certificate of Conformity
Warranty Card
18650 Battery ×1
Carrying Case
Retail Gift Box




