25km Laser Rangefinder Designator 20Hz for tank >9km

25km 20Hz laser rangfinder designator for 10m² vehicle  9km in 20km visibility weight 1200g

China TianYing TY-LR82 is simultaneous a mid-high energy laser designator and 9km laser rangefinder for tank, find building beyond 18km and even up to 25km, matched to high altitude and long range optronic systems, provides 1m accuracy and 20Hz rate performance to fast moving targets in extremely compact unit that weighs 1200 g.

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 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.

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

2). Externally slaved/Internally coded;

3). Typically designator tank ≥ 7km of 20Hz and ranging tank up to 11km of 5 Hz;

4). Accuracy ≤ 1 m (RMS) for target ranges.

5). Good environmental adaptability.

6). Miniaturized design, typical weight 1200 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.

25km 20Hz Rate 1064nm Laser Designator Rangefinder Module mainly specification:

Model TY-LR82
Transmitter
Laser Type Diode-pumped +Nd:YAG
Wavelength 1064nm
Pulse energy ≥  60mJ
Beam divergence ≤ 0.3 mrad, option 2mrad.
Boresight stability ≤  0.05mrad.
Receiver
Detector TE-cooled Avalanche Photo Diode Detector (TE-cooled APD).
Range data
Measuring rate Typical 5Hz work 3 minues.
Ranging capability ≥ 9km for 10m² vehicle in 20km visibility, typical 11km.
Accuracy ≤  1m (RMS)
Designation
Code Externally slaved/Internally coded.
Laser designator rate(programmable) 20Hz work 25 seconds and rest 15 seconds cycle.
  Option max 30Hz and 20Hz continuous 3 minutes
Continuous designator capability ≥ 7km of  10m² vehicle.
Designator target range display Yes
Electrical interface
Data interface RS422
Power 20 - 28V DC
Environmental conditions
Operation Temperature -40ºC~+55ºC
Reliability
Life ≥ One Million Range Measurements
MTBF > 10000 hours
Mechanical interface
Size ≤ 1500 cubic centimeters
Weight ≤ 1800g with house, typical 1.2kg.
* - 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 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 2.3m x 2.3 target about 15km or more, then, 30% albedo 2.3m x 2.3m target is about 10km ~ 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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