DESCRIPTION
The LDR80K1 Laser Rangefinder and Target Designator System is a cutting-edge technological product meticulously crafted to meet the demands of high-precision target designation, rangefinding, and laser coding indication. This system effortlessly achieves precise measurements over ultra-long distances, with a maximum rangefinding capability exceeding 10km. Additionally, it boasts formidable strength in target designation, covering distances of 6000m and beyond. Notably, the LDR80K1 is designed with extreme lightweight in mind, with the entire unit's weight strictly controlled to be within 650g. This maintains its advantage of being compact and portable without compromising the stability and excellence of its performance.
To cater to the diverse needs of different operational scenarios, this system specially offers customizable laser divergence angles ranging from 0.3 ~ 1 mrad, providing high flexibility. Furthermore, the LDR80K1 strictly adheres to internationally recognized industry standards, ensuring its wide applicability and high reliability across the globe. With its outstanding durability, precise measurement capabilities, and compact, portable design, the LDR80K1 Laser Rangefinder and Target Designator System has undoubtedly become the ideal choice for professionals who pursue efficient and accurate operations.
TECHNICAL PARAMETERS
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Range Finding/Target Indication Parameters
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Laser ranging and target designation operating mode
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Ready to work instantly
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Maximum ranging distance
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≥10km (visibility 23km, target reflectivity 0.2, target size 2.3m x 2.3m)
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Minimum ranging distance
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300m
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Ranging accuracy
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≤5m
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Ranging logic
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3 goals
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Laser target designation distance
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≥6000m
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Ranging frequency
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1～20Hz
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Target designation frequency
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1～20Hz
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Accuracy rate (or Measurement success rate)
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98%
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Continuous ranging time
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5min(1Hz)/1min (5Hz)/20S（20hz）
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Continuous laser target designation time
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Short-cycle Laser Target Designation:
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Duration of a single illumination is not less than 17 seconds, with an interval of not more than 30 seconds, and continuous illumination for 8 cycles.
Long-cycle Laser Target Designation:
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The duration of a single laser target designation is not less than 60 seconds. When initiating laser target designation again, the interval is not more than 45 seconds, and it is capable of continuous laser target designation for 4 cycles.
- After a single long-duration or short-duration target designation, the interval for restarting is not more than 30 minutes.
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Encoding
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Complies with MIL-STD-810F requirements; possesses user-defined coding expansion capabilities.
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Laser encoding pattern
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Equipped with external synchronization signal reception capability. Precise frequency codes (eight sets of pre-stored periodic code encodings);
Customizable code patterns, etc.
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Encoding accuracy
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±2.5μs
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Laser Parameters
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Laser Type
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LD Pumped Nd:YAG Crystal
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Cooling Method
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Passive cooling, no temperature control
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Wavelength
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1064nm±3nm
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Single Pulse Energy
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≥80mJ
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Energy Fluctuation
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＜10% (Energy Standard Deviation / Average Energy Value × 100%) - Less than 10% (Energy Standard Deviation / Average Energy Value × 100%)
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Repetition Rate
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0～20Hz adjustable - Adjustable from 0 to 20 Hz
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Pulse Width
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≥15ns±5ns
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Beam Divergence Angle
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≤0.3mrad [Customizable 0.3mrad～1mrad]
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Laser Beam Axis Instability
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≤0.05mrad
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Laser Start-up Time
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10s
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Laser Safety Class
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Class 4
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Environmental adaptability
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Operating Temperature
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-40℃~55℃
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Storage Temperature
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-55℃~70℃
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Vibration and Shock Standards
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Meets the vibration and shock requirements for airborne equipment as specified in MIL-STD-810F
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Electrical Parameters
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Power Supply Voltage
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20～28VDC(typical 24 V)
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Total Power Consumption
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Standby Power Consumption: ≤ 5 W
Average Power Consumption: ≤ 80 W
Peak Power Consumption: ≤ 120 W
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Communication Interface
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RS422 (Standard)
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Baud Rate
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115200bit/s
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Mechanical Parameters
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Weight
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≤700g
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Overall Dimensions
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≤117×97×53mm
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Non-parallelism between Mounting Base and Optical Axis
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0.5mrad
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STRUCTURAL DRAWING(In mm)
The overall dimensions are ≤117×97×53mm (L×W×H). The mechanical interface is as shown in Figure 1：
ELECTRICAL INTERFACE
Baud rate: 115200 bits per second.
The socket model for the laser rangefinder target designator is J30J-15ZKP; the corresponding plug model for the photoelectric system end is J30J-15TJL(WL150A4). The specific signal definitions for the laser rangefinder target designator are shown in Table 1:
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Pin
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Signal Definition
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Input/Output
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Description
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Remarks
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1
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+24V
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Input
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The power supply characteristics meet the relevant requirements of MIL-STD-810F.
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Power supply
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2
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+24V
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3
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+24V
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4
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+24V_GND
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5
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+24V_GND
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6
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+24V_GND
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7
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Power-on control +
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Input\Output
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See the requirements for the power-on control section for details.
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I/O control
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8
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Power-on control -
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9
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RS422_RX+
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Input\Output
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The signal level and drive capability meet the RS422 interface standard.
Characteristic impedance: 120Ω.
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The transmit/receive pin definitions correspond to the laser rangefinder target designator itself.
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10
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RS422_RX-
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11
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RS422_TX+
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12
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RS422_TX-
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13
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RS422_GND
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14
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External synchronization control signal +
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Input
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The signal level and drive capability comply with the RS422 interface standard.
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External synchronization signal for controlling laser encoding.
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15
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External synchronization control signal -
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