1535nm laser range finder – DY25K23 medium-sized laser range finder has a compact structure and is easy to install and operate. The working light source adopts a solid-state laser in the eye-safe band. Long service life and low power consumption. In-depth customization can be provided according to different needs.Ranging range: 300m~25000m (5m×6m equivalent target board or large target such as buildings, reflectivity 0.3, visibility ≥ 23Km)
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1535nm Laser rangefinder-DY25K23







Technical parameter:
Item | Technical parameter |
Working wavelength | 1535nm |
Range scope | 300m~25000m (5m×6m equivalent target board or large targets such as buildings, reflectivity 0.3, visibility ≥ 23Km) |
Ranging accuracy | ≤±5m |
Ranging frequency | ≥1Hz |
Accuracy rate | ≥98% |
Divergence angle | ≤0.4mrad |
Receiving caliber | 48mm |
Communication Interface | RS422 |
Voltage | 28V±6V |
Working power consumption | ≤10W |
Size | 245mmx113mmx85mm |
Weight | ≤2100g |
Working temperature | -40℃~+55℃ |




Pin number | Label | Definition of electrical characteristics | Remark |
P-1 | VIN+ | Input power positive | Host computer power supply |
P-2 | VIN- | Input power negative | |
P-3 | NC | Dangling | |
P-4 | RS422_TXD+ | Signal output port | Laser rangefinder to host computer |
P-5 | RS422_TXD- | ||
P-6 | RS422_RXD- | Signal input port | Host computer to laser rangefinder |
P-7 | RS422_RXD+ | ||
P-8 | RS422_GND | RS422 Ground wire | |
P-9 | SWDIO | Data port | The next program uses |
P-10 | SWCLK | Clock port | The next program uses |
Interface location:




Pin number | Label | Definition of electrical characteristics | Remark |
P-1 | VIN+ | Input power positive | Host computer power supply |
P-2 | VIN- | Input power negative | |
P-3 | NC | Dangling | |
P-4 | RS422_TXD+ | Signal output port | Laser rangefinder to host computer |
P-5 | RS422_TXD- | ||
P-6 | RS422_RXD- | Signal input port | Host computer to laser rangefinder |
P-7 | RS422_RXD+ | ||
P-8 | RS422_GND | RS422 Ground wire | |
P-9 | SWDIO | Data port | The next program uses |
P-10 | SWCLK | Clock port | The next program uses |
Interface location:
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.




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We only do R&D and manufacturing of the entire industry chain of laser rangefinder.
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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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