The technical material below is retained for this model only. Do not transfer a range, pulse, interface, mechanical or safety value from another 1064 nm product.
Specifications
The tables below retain the supplied model record except for entries explicitly withheld after a comparison with the current model PDF. A value, option or condition from another model is not interchangeable. General explanations are separated from model-specific entries.
Source-review note
The current document gives different temperature conditions in its active-mode and environmental sections. This page does not combine them into a broader operating guarantee.
Current LDR40K3 document — source checked 13 September 2026. On a small screen, swipe wide tables horizontally to read every column.
LDR40K3 — TECHNICAL SPECIFICATIONS
| Parameter | Specification |
| Wavelength |
1064 nm |
| Range (Ranging) |
≥ 5,000 m |
| Range (Designation) |
≥ 3.5 km |
| Weight |
≤ 420 g |
| Dimensions |
95 mm × 97 mm × 48 mm |
LDR40K3 — Electrical Interface Requirements
|
Pin No.
|
Label
|
Description / Remarks
|
|
P-1
|
VIN+
|
26 V ± 4 V power input
|
|
P-2
|
VIN+
|
26 V ± 4 V power input
|
|
P-3
|
T+
|
External sync signal (positive)
|
|
P-4
|
VDD
|
For programming use
|
|
P-5
|
GND
|
For programming use (ground)
|
|
P-6
|
ARM_SWCLK
|
Programming clock (SWD interface)
|
|
P-7
|
ARM_SWDAT
|
Programming data (SWD interface)
|
|
P-8
|
T–
|
External sync signal (negative)
|
|
P-9
|
GND
|
Power ground (26 V return)
|
|
P-10
|
GND
|
Power ground (26 V return)
|
|
P-11
|
RS422_TX+
|
Laser Rangefinder/Designator Transmit (+)
|
|
P-12
|
RS422_TX–
|
Laser Rangefinder/Designator Transmit (–)
|
|
P-13
|
RS422_RX–
|
Laser Rangefinder/Designator Receive (–)
|
|
P-14
|
RS422_RX+
|
Laser Rangefinder/Designator Receive (+)
|
|
P-15
|
GND
|
Signal ground
|
Technical drawings

LDR40K3 — Weight Requirement