25mJ Laser rangefinder and laser target designator 25K1 LDR25K1
Model: LDR25K1. The LDR25K1 provides precision ranging and coded laser designation in a compact, lightweight, stable and adaptable design. LDR25K1 weighs 370 grams or less, ranges to 5000 meters and beyond and designates targets beyond 3000 meters. LDR25K1 supports custom divergence from 0.3 to 1 milliradian for different environments. Compliance with international standards supports compatibility and reliability. Durability, accurate measurements and portability make LDR25K1 suitable for professional use. Functions include: 1) Laser ranging. 2) Air-to-ground laser designation. 3) Host communication according to the protocol. 4) User-set precise frequency coding.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Laser ranging and target designation operating mode | Immediately ready for operation |
| Maximum ranging distance | ≥5000m (visibility 10km, target reflectivity 0.2, target size 2.3m x 4.6m) |
| Minimum ranging distance | 100m |
| Ranging accuracy | ±2m |
| Ranging logic | 3 targets |
| Laser target designation range | ≥2000m |
| Ranging frequency | 1～20Hz |
| Target designation frequency | 1～20Hz |
| Accuracy rate (or measurement success rate) | 98% |
| Continuous ranging time [1Hz] | 5min |
| Continuous ranging time [5Hz] | 1min |
| Continuous ranging time [20hz] | 20S |
| Continuous laser target designation time | Each laser target-designator operation lasts at least 25 seconds. The interval before restarting the laser target designator does not exceed 15 seconds. It supports 8 consecutive cycles of laser target-designator operation, followed by a 30-minute standby period before the next laser target-designation task. |
| Coding | Meets the requirements of MIL-STD-810F; supports expansion with user-defined coding. |
| Laser coding pattern | Can receive external synchronization signals. Precise frequency coding (eight sets of prestored periodic coding formats); customizable coding modes, etc. |
| Coding accuracy | ≤2.5μs |
| Laser Type | LD-pumped Nd:YAG crystal |
| Cooling method | Passive cooling, without temperature control |
| Laser Wavelength | 1064nm±3nm |
| Single-pulse energy | ≥25mJ |
| Energy fluctuation | <10% (standard deviation of energy/mean energy×100%) - less than 10% (standard deviation of energy/mean energy×100%) |
| Repetition rate | 0～20Hz adjustable - 0 ~ 20 Hz adjustable |
| Pulse Width | ≥15ns±5ns |
| Beam Divergence | ≤0.5mrad [ Custom 0.3mrad～1mrad] |
| Laser beam axis instability | ≤0.05mrad |
| Laser startup time | 10s |
| Laser Safety Class | Class 4 |
| Operating Temperature | -40℃~60℃ |
| Storage Temperature | -55℃~70℃ |
| Vibration and shock standards | Meets the vibration and shock requirements for airborne equipment specified in MIL-STD-810F |
| Power Supply Voltage [typical 24 V] | 20～28VDC(typical 24 V) |
| Total power consumption | Standby power consumption: ≤10W; average power consumption: ≤50W; peak power consumption: ≤80W |
| Communication Interface | TTL (Standard) |
| Baud rate | 115200bit/s |
| Weight | ≤370g |
| Dimensions (length × width × height) | ≤68×52×90 |
| Nonparallelism between the mounting base and optical axis | 0.5mrad |
| Communication Interface | Unidirectional TTL-level serial port. See Table 1 for the connector model and interface definitions. |
Key Features
Datasheet
Supplier Information
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