China TianYing TY-LR76 miniaturized 1570nm 10km 2Hz eye safe laser rangefinder enables 2Hz continuous rate acquisition of tank at ranges of up to 10 km within 1m accuracy in 23.5km visibility.
Developed for class 1 eye safe and modern optronic reconnaissance tracking systems tasked to acquire small, moving targets, hence measuring rate of the 2Hz continuous up to a few minutes and measured range, working high temperature is +70ºC.
The LRF-10km 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.
10km tank 2Hz continuous 1570nm Eye Safe Laser Rangefinder Features: 1) Typically tank 10km and house 20km ranging capability of 2Hz.
2) Pulse repetition frequency up to 2 Hz continuous at +60ºC.
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) Compact design, weight ≤ 1.4 kg with house.
8) Typically drone 0.05m² (DJI Phantom 4) ≥4.3km of ≥3km flight altitude at 23.5km visibility.
10km tank 2Hz continuous 1570nm Eye Safe Laser Rangefinder of Application: 1) Optronic surveillance and reconnaissance.
2) Target tracking systems and anti-aircraft systems.
3) Fire control systems for land, air and sea targets.
4) For determination of flight altitudes on airports.
5) To measure the distance of ships from the coast.
6) In general for applications of position determination of moving objects.
2Hz work 30 seconds and rest 30 seconds cycle at +60ºC
Effective ranging(2Hz)
≥20km of house/building in 23.5km visibility (up to 25km)
≥12km of 30% albedo 5m² aircraft in 23.5 km visibility
Max range capability(2Hz)
30km
Accuracy
≤ +/-1m
Accuracy rate
≥ 98%
Extinction Ratio(2Hz)
>41 dB (85% reflectivity at 500m target)
Electrical interface
Data interface
RS422
Power
20 - 30V DC
Peak power
≤45W
Environmental conditions
Operation Temperature
-40ºC~+70ºC
Storage temperature range (°C)
-55ºC~+75ºC
Vibration Shockproof
meet military standard
Reliability
Life
≥ one hundred thousand range measurements
Shot life time
≥one million.
Mechanical interface
Size
≤ 1200 cubic centimeters
Weight
≤ 1400g 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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