Ultra-compact 20km 20Hz 40mJ Laser Designator Rangefinder for tank 8km

Ultra-compact 20km 20Hz 40mJ Laser Designator Rangefinder for tank 8km

China TianYing TY-LR83 is simultaneous a 40mJ laser designator and beyond 8km laser rangefinder 20Hz for tank, find house beyond 16km and up to 20km, matched to mid-high altitude and mid-long range optronic systems, provides 1m accuracy and 20Hz rate performance to fast moving targets in ultra-compact unit that weighs 900 g.

The 40mJ 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 LDR offers separate long duration measuring rate mode for tracking surveillance reconnaissance; communication with the LDR is established by means of a RS422 interface which forms the operational, status and maintenance interface with the LDR.

8km tank Max 20km 20Hz 40mJ Laser Designator Rangefinder Module Features:
1). Diode-Pumped ND:YAG ≥ 40 mJ energy;

2) TE-cooled avalanche photodiode detector

3) ≤ 400 μrad beam divergence.

4). Externally slaved/Internally coded;

5). Typically designator tank ≥ 5km of 20 Hz and ranging tank up to 10km of 5 Hz - 5 Hz max 30km;

6). Accuracy  ≤1 m (RMS) for target ranges;

7). Good environmental adaptability;

8). Mature advanced technology and miniaturized design, weight ≤ 900 g 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.

20km 20Hz 40mJ Laser Designator Rangefinder Module mainly specification:

Model	TY-LR83
Designation
Laser Type	Diode-pumped +Nd:YAG
Wavelength	1064nm
Pulse energy	≥ 40mJ
Beam divergence	≤ 0.4 mrad, option 2mrad etc
Boresight stability	≤  0.05mrad.
Code	Externally slaved/Internally coded.
Laser designator rate(programmable)	20Hz work 30 seconds and rest 20 seconds cycle.
	Option max 30Hz and 20Hz continuous 3 minutes
Designator capability(20Hz)	≥ 5km of  10m² vehicle.
Designator rate ranging range	Yes
Cooling	Fan air flow.
Rangefinder
Measuring rate	Typical 5Hz work 2minues and rest ≤ 2minutes cycle
Effective ranging (5Hz)	≥ 8km for 10m² vehicle in 20km visibility, tank up to 10km.
Max ranging capability(5Hz)	30km
Accuracy	≤  1m (RMS)
Accuracy rate	≥ 98%
Electrical interface
Data interface	RS422
Power	20 - 30V DC
Peak power	≤200W
Environmental conditions
Operation Temperature	-40ºC~+60ºC
Storage temperature range (°C)	-55ºC~+70ºC.
Vibration Shockproof	meet military standard
Reliability
Life	≥ One million range measurements
MTBF	≥ 10000 hours
Mechanical interface
Size	≤ 600 cubic centimeters
Weight	≤ 900g 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.

Also, starting state and stable state measuring range is different too, such as 15mJ-25mJ LRF, starting state is 25mJ, typical stable state is only 15mJ, only many companies are only said starting state, for example, said single pulse laser energy is at least 25mJ.

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, such as 1Hz-5Hz, 1Hz-10Hz, 1Hz-20Hz, 5Hz-25Hz etc, then their working distance have more different too.

About 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.

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, Erbium-glass is not competitive 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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