China TianYing TY-LR84 is simultaneous a high energy laser designator and 10km laser rangefinder for 10m² vehicle, find building beyond 20km and even up to 30km, 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 only 1800 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.
30km 20Hz rate 1064nm Laser Designator Rangefinder Module Features: 1) All-solid-state laser transmitter using highest reliability life diode-pumped Nd:YAG technology.
2) Up to and even beyond 30km range performance due to the use of highly sensitive TE cooled APD.
3) Miniaturized design (weight < 1.8 kg with house).
Typical 5Hz work 5minues and rest ≤ 3minutes cycle
≥ 10km for 10m² vehicle in 20km visibility(typical 12km).
(>8km building has been proven in 500m visibility).
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
≥ 8km of 10m² vehicle.
Designator target range display
20 - 28V DC
≥ One Million Range Measurements
> 10000 hours
≤ 1500 cubic centimeters
≤ 1800g 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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