8km tank Max 18km~20km 2Hz Mini 1.5µm Laser Rangefinder

Model No.︰

TY-LR75

Brand Name︰

TianYing

Country of Origin︰

China

Minimum Order︰

10 set

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Product Description

China TianYing TY-LR75 miniaturized 1570nm 18km~20km eye safe laser rangefinder for tank 8km, developed for class 1 eye safe and integration into compact modern optronic systems, provides 1m accuracy to dynamic targets in extremely compact unit that weighs 550 g.

Measuring accuracy is 1m, house 20km and DJI drone 4.2km that have been proven. Measurement frequency of 2 Hz also has a continuous version that can reach a few minutes, and working high temperature is +70ºC.

The LRF-20km leveraged the lastest technology to construct this remarkably compact, exceptionally accurate rangefinder, hence customer enable very easy integration into ships, land vehicles or aeroplanes platforms, inclduing camera system, fire-control system etc.

20km 2Hz 1570nm Eye Safe Laser Rangefinder Features:
1) Typically tank 8km and building up to 20 km ranging capability of 2Hz.

2) Pulse repetition frequency ≤ 2 Hz continuous.

3) Range accuracy < +/-1 m for target ranges.

4) ≤ 5 mJ energy.

5) ≤ 500 μrad beam divergence

6) ANSI Z136.1-2007/ICE 60825-1:2007 Class 1 eye safe.

7) Miniaturized design, weight ≤ 550 g with house.

18km~20km 2Hz 1570nm Eye Safe Laser Rangefinder of Application: 
1) Sensor suites on naval vessels, airborne or ground vehicles.

2) Fire control systems.

3) Remote weapon stations.

4) Observation and surveillance systems.

5) Coastguard and border control system..

6) Target tracking system and position determination.

18km~20km 2Hz 1570nm Eye Safe Laser Rangefinder mainly specification:

Model TY-LR75
Transmitter
Laser Type OPO
Wavelength 1570nm
Measuring rate ≤ 2 Hz, 2Hz burst for 25 seconds.
Option 2Hz work 30 sec and rest 30 sec cycle at +60ºC (2Hz up to a few minutes)
Pulse energy 5mJ
Beam divergence ≤ 0.5mrad.
Laser classification Class 1 (ICE 60825-1:2007 and ANSI 136.1-2007)
Extinction Ratio 43 dB of 85% reflectivity at 500m target.
Receiver
Detector Avalanche Photo Diode Detector (APD).
Range data
Ranging capability 18km of building in 25km visibility (20km building has been proven).
  10km of 30% albedo 5m² aircraft in 23.5 km visibility;
Accuracy +/-1m
Electrical interface
Data interface RS422
Power 24V DC
Environmental conditions
Operation Temperature -40ºC~+60ºC
Mechanical interface
Size ≤ 500 cubic centimeters
Weight ≤ 550g with house.
* - 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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Company Address: Room 608, 2 Building, 508 Binwang Road Yiwu City, Zhejiang China. Post Code: 322000.

Telephone.:0086-579-85389306; Mobile: 0086-13575936100(Jeny--English); 13515798545(Mr. Wang--Chinese).

Email: info@nightvisioncn.com, hawksoptics@hotmail.com, hawksoptics@126.com.

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