Ultra-compact 25km 20Hz 60mJ Laser Designator Rangefinder for tank 9km

Ultra-compact 9km 20Hz 60mJ Laser Designator Rangefinder for tank

China TianYing TY-LR23 is designed to synchronize a 60mJ laser designator and 9km laser rangefinder 20Hz for tank, enables acquisition of tank 15 km and plane 25 km within 2 m accuracy in 23.5km visibility in compact unit weighs only 3500 g, matched to high altitude and long range EO systems.

The laser designator rangefinder features fully military details, excellent coding compatibility, excellent coding scalability, excellent laser sensitivity, the lightest weight and the smallest size, effective on platforms from man-portability, land vehicles, ships to aero planes.

The LRF-D offers separate long duration measuring rate mode for tracking surveillance reconnaissance; communication with the LRF-D is established by means of a RS422 interface which forms the operational, status and maintenance interface with the LRF-D.

9km tank 25km 20Hz 60mJ Laser Designator Rangefinder Module Features:
1). Diode-Pumped ND:YAG ≥ 60 mJ energy;

2) ≤ 300 μrad beam divergence;

3) Pre-stored coding, internally coded with powerful expansion capacity;

4) Typically designator tank ≥ 7km of 20 Hz;

5). Typically ranging tank ≥9km of 20Hz and up to 15km, max ranging 50km (>46km has been proven);

6). Accuracy  ≤  +/-2m for target ranges;

7). Good environmental adaptability;

8). Mature advanced technology and compact design, typical weight ≤ 3500g with house.

Application:
1). UAV electro-optical platform;

2). Man-portable electro-optical platform;

3). Other electro-optical platforms;

4). Laser guidance;

5). Laser decoy.

9km tank 25km 20Hz 60mJ Laser Designator Rangefinder Module mainly specification:

Model	TY-LR23
Designation
Laser Type	Diode-pumped +Nd:YAG
Wavelength	1064nm
Pulse energy	≥ 60mJ
Beam divergence	≤ 0.3 mrad, option 0.2mrad etc
Boresight stability	≤  0.05mrad.
Code	Internally coded with powerful expansion capacity.
Code accuracy	≤±1μs
Pulse duration	15 ± 5 ns
Laser designator rate	20Hz work 15 seconds and rest 10 seconds cycle.
	20Hz continuous ≥1 minutes
Designator capability(20Hz)	≥ 7km of  10m² vehicle.
Designator rate ranging range	Yes
Cooling	Fan air flow.
Rangefinder
Measuring rate(programmable)	Typical 5Hz work 5minues and rest 3minutes cycle
Effective ranging (23.5km visibility)	≥ 11km for 10m² vehicle (tank) with 5Hz, tank up to 15km.
Max ranging capability	50km (>46km building has been proven in good visibility)
Accuracy	≤  2m (RMS)
Accuracy rate	≥ 98%
Range resolution	≤30m
Range gate	Yes
Laser classification	4
Electrical interface
Data interface	RS422
Power	18 - 30V DC
Environmental conditions
Operation Temperature	-40ºC~+60ºC
Storage temperature range (°C)	-55ºC~+70ºC.
Vibration Shockproof	meet military standard
Reliability
Life	≥ One Million Range Measurements
	(Laser Shot Life >9 Million Shots)
MTBF	≥ 10000 hours
Mechanical interface
Size	≤ 4200 cubic centimeters
Weight	≤ 3500g with house
Packing and Warranty
Standarding accessories packing	Hard case, user's manual, RS422 communication cable kit etc
Warranty	one year
* - Note	*Product design and Technical information is subject to change without notice ** Depending on the region of sale.

Question:
1, Why many 20km/30km/40km laser rangefinder can not measure tank 10km in standard 23.5km visibility?

Because their 20km/30km/40km is theory data or high reflection large target in ideal visibility condition, even reflection need beyond 80% and visibility need beyond 50km.

2, Why many NATO target 10% reflection 12km laser rangefinder can not measure tank 10km in standard 23.5km visibility?

Because their 10% reflection is not real performance data, 2.3m x 2.3m NATO target is not real tank, or their NATO target effective size is different; normal the 2.3m x 2.3m target real albedo is 50% or more.

About test land standard, normal big target typical 20km LRF with 25km visibility, then, normal this LRF can measure their 2.3m x 2.3m target about 15km or more, then, real 30% albedo 2.3m x 2.3m target is only about 9km ~ 12km.

For example, air to land read 2.3m X 2.3m target 10km, then, real target is including land and 2.3m x 2.3m target, or said this is measure big target distance. this is why some LRF said 28km for 4m x 6m 0.3 albedo vehicle at 28km visibility, then, when measure Phantom 4 drone, only measure 2.5km at 28km visibility, in fact typical 18-20km LRF can guarantee to measure Phantom 4 drone 3km ~ 4.2km in standard 23.5km visibility.

Also, max energy and stable state measuring range is different too, such as 15mJ-25mJ LRF, max energy is 25mJ, typical stable state is only 15mJ, only many companies are only said max energy, for example, said laser energy is not less than 25mJ, normal this is max energy.

In fact, only recognize tank 20km~30km, many 1200mm/2000mm/2200mm/2600mm CCTV camera can not meet in standard 23.5km visibility.

3, Why many laser rangefinder do not show measurement rate details?

Because max rate and continuous rate technology demand is different, such as max 12.5Hz 10 sec to 60 sec, maybe then 5Hz is max 1 min to 3 min with cycle.

Also, when rate have more different for low energy LRF, such as 1Hz-5Hz, 1Hz-10Hz, 1Hz-20Hz, 5Hz-25Hz etc, then their working distance have more different too.

About low energy 1.5µm eye safe laser rangefinder, if 1Hz is 10km, then, normal 5Hz is only balance about 80%~ 85%, normal 10Hz is only balance about  70%~80%, when this LRF laser energy is very low, then attenuation speed will accelerate, even 10Hz is balance less than 40%.

4, Why normal mid-long range high rate laser rangefinder do not use for Erbium-glass laser?

Because normal Erbium-glass laser energy is too low, high rate continuous measuring time is too short, especially at extreme operating temperatures.

In fact, if Erbium-glass laser want to meet demand, energy need at least 2mJ, normal need 5mJ to 8mJ.

Then, 5mj~8mJ Erbium-glass can not compete with OPO and Raman shifted.

5, Why many laser rangefinder price is very cheap?

Because performance is different, for example: one LRF is used for bad cable, messy interface, messy wiring etc, then the LRF cost can reduce, even reduce much, but no warranty on performance.

If used for same performance, then our price is very cheap. that is why many laser rangefinder do not show their real main performance data.

 

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