1535nm Laser Rangefinder- A4K8 is a high-precision laser rangefinder module made out of erbium glass lasers that developed by Erbium Tech. It is a device to determine distance to an object by detecting return signal of laser pulse.Its raw materials including erbium glass and erbium glass laser are both developed and researched by Erbium Tech. With mature technology and stable performance, it can determine distance not only to static objects but also to dynamic objects and can be set on various equipment to achieve wide range of application.
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1535nm Laser Rangefinder- A4K8







Laser Rangefinder parameter
Item | Technical parameter | Instruction |
Working wavelength | 1535±5nm | |
Ranging range | 50m~4km | 2.3m×2.3m vehicle target, 0.3 diffuse reflectance, visibility ≥5km |
50m~8km | Energy intensity ≥10km, 0.3 large reflectivity target | |
Ranging accuracy | ±2m | 3δ |
Ranging frequency | 1 ~ 10 Hz is adjustable | |
Accuracy rate | ≥98% | |
Divergence angle | ≤0.5mrad | |
Receiving caliber | 25mm | |
Communication Interface | 422、485、232、TTL(3.3V) | |
Voltage | DC9~36V | |
Working power consumption | ≤1.2W(@1hz) | Normal temperature test |
Standby power consumption | ≤0.2W | Normal temperature test |
Size | ≤65mm×44mm×35mm | |
Weight | ≤75g |
Laser Rangefinder Dimension
Laser Rangefinder Electrical interface
Line number | Definition | Line color | Remark |
1 | RS422 TX+ | Brown | RS422 send+ |
2 | RS422 TX- | Blue | RS422 send- |
3 | RS422 RX- | Yellow | RS422 receive- |
4 | RS422 RX+ | Purple | RS422 receive+ |
5 | GND | White | Communication interface |
6 | +12V | Red | Power |
7 | GND | Black | Power supply ground |
8 | reserved | Blank | reserved |
Laser Rangefinder Dimension
Laser Rangefinder Electrical interface
Line number | Definition | Line color | Remark |
1 | RS422 TX+ | Brown | RS422 send+ |
2 | RS422 TX- | Blue | RS422 send- |
3 | RS422 RX- | Yellow | RS422 receive- |
4 | RS422 RX+ | Purple | RS422 receive+ |
5 | GND | White | Communication interface |
6 | +12V | Red | Power |
7 | GND | Black | Power supply ground |
8 | reserved | Blank | reserved |
Warm prompt:
ERDI provides timely and thoughtful after-sales service and technical support, and solves the problems encountered by customers in the use of products at the first time;
All of ERDI's rangefinder modules use CLASS 1 eye-safe wavelength light source;
The reliability and stability of the laser rangefinder module are the key indicators of the product, and only the products that have passed the long-term practice test have the basis for batch application;
ERDI provides cost-effective products to serve various drone customers, and currently supports thousands of drones with accumulated supporting equipment;
The high precision and versatility of the integrated navigation system and the high reliability and high stability of the laser gyroscope are the key indicators of the product. Only products that have been tested in practice for a long time have the basis for mass application.




Your Strategic Partner For Laser Positioning & Navigation.
We are always striving to innovate and improve.
We only do R&D and manufacturing of the entire industry chain of laser rangefinder.
Daily from 8 am to 9 pm
TEL:+86-28-87897578
E-mail:sales@erdilaser.com
ADD:No. 226, 2nd Floor, Building 1, No. 1388, Middle Section of Tianfu Avenue, Chengdu High-tech Zone, China (Sichuan) Pilot Free Trade Zone,Chengdu, 610213,China.
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