20mJ Laser rangefinder and laser target designator 20K1 LDR20K1
Model: LDR20K1. The LDR20K1 compact, lightweight designator and rangefinder provides stable performance, long-range designation, high accuracy and environmental adaptability. It emits a laser toward a target and measures time of flight for distance. Pulse energy is at least 20mJ, and NATO-target ranging is at least 3km, suiting compact airborne, maritime and ground electro-optical observation systems. RS422 host test software and communication protocols support further development.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Operating mode | Ranging and target calibration |
| Pump source | Diode array |
| Laser Wavelength | 1064nm； |
| Pulse Energy | ≥20mJ |
| Pulse energy fluctuation | Within the designated target period, the energy variation of a single pulse does not exceed 10% of the average energy (measured after 2 seconds of emission) |
| Beam divergence | ≤0.6mrad |
| Pulse Width | 10±5ns |
| Laser axis stability | ≤0.05mrad |
| Frequency Range | 1Hz/5Hz; continuous 1Hz scanning for at least 5 minutes per run with 1 minute of rest; b5Hz scanning for at least 1 minute with 1 minute of rest |
| Minimum measurement distance | ≤300m |
| Maximum measurement distance | ≥3000m |
| Ranging accuracy | ±1m |
| Probability of correct measurement | ≥98% |
| Ranging logic | First and last targets |
| Target designation performance | Laser-code accuracy: 25μs. Designation frequency reference: 20Hz. Short cycle: designate a target for at least 20 seconds, with intervals no longer than 30 seconds, for 8 consecutive cycles. Long cycle: designate a target for at least 47 seconds, with restart intervals no longer than 30 seconds, for 2 consecutive cycles. After the designation cycle ends, wait at least 30 minutes before restarting continuous designation. |
| Laser coding | Meets MIL-STD-810G system requirements; includes user-defined coding expansion; can receive external synchronization signals to control coded laser emission; coding method: precise frequency coding (eight stored periodic codes) |
| Dimensions (length × width × height) | ≤92mm×67mm×53mm |
| Weight | ≤290g |
| Input power requirements | During operation, average power consumption is no greater than 55W and peak power is no greater than 100W; operating voltage range: 20V~28V. |
| Electrical protection | After circuit-board design and adjustment, conformal varnish is applied as a protective coating. |
| Operating Temperature | -40~＋55℃ |
| Storage Temperature | -45~＋70℃ |
| Vibration requirements | Withstands flight vibration and takeoff/landing shock; all equipment withstands vehicle-transport conditions. Swept-frequency vibration: constant-displacement sinusoidal vibration from 15Hz to 33Hz, displacement 0.91mm; constant-acceleration sinusoidal vibration from 33Hz to 700Hz, acceleration 2g. Vibration for 1 hour in each of three directions. |
| Shock requirements | Transverse axis ≥10g; vertical axis ≥10g; longitudinal axis ≥10g; ring-shaped sawtooth wave, duration 11ms; X, Y, Z axes, both directions on each axis, once per direction, 18 times in total. |
| Communication Interface | One TTL-level serial port. See Table 1 for the connector model and interface definitions. |
Key Features
Datasheet
Supplier Information
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