20km 10~30ppm Handheld Military GPS DMC Laser Rangefinder

20km 10~30ppm handheld military GPS DMC Laser Rangefinder in 23.5km visibility

China TianYing TY-LR68 20km laser rangefinder binouclars is a handheld EO device built for 10~30ppm rate acquisition of low albedo targets at ranges of up to 20 km within 2m accuracy in 23.5km visibility.

As well as simple data measurements like linear distance, direction, or inclination, this rangefinder is also capable of readings to calculate complex measurements like horizontal distance, elevation, and distance between two targets.

In addition to the 20 km effective ranging distance(max 30km) and sophisticated circuitry, two features that define the LRB-20000 are the mil-spec housing and the RS-232 interface ports. The ability to transmit serial data from the LRF to a computer. Further enhancing the construction features are a shockproof chassis and weatherproof sealing that comply with Mil-Std 810 performance standards.

For erbium glass and fiber lasers that are unreliable under high temperatures and extremely harsh conditions, the LRF uses Nd:YAG lasers to provide mature and reliable performance under any conditions, the LRF is the ideal tool for mapping, digital artillery, etc. There is also an option to add GPS functionality.

20km 10~30ppm 2m accuracy handheld military Laser Rangefinder Binoculars Features:
1) Noncooperative goal 20 km and max 30 km ranging capability of 10-30ppm rate within 2m accuracy.

2) Built-in digital magnetic compass(DMC) and high resolution display, option add GPS/BDS/GLONASS.

3) Measuring direction, inclination, horizontal distance, elevation, and distance between two targets.

4) Reticle illumination, ocular diopter adjustment, multiple target measurement, save the measured data etc.

5) RS323 interface data output.

6) Easy to use, long life, full military standard, stable work in extremely harsh conditions.

7) Miniaturized design, weight only 2 kg.

20km 10~30ppm 2m accuracy handheld military Laser Rangefinder Binoculars of Application:
1). Navy ship as well as the front post.

2). Scouting force.

3). Artillery group.

4). Shipping.

5). Localization and range for oil field.

6). Forest protection.

7). Weather service.

8). Survey and selection of positions.

20km 10~30ppm 2m accuracy handheld Laser Rangefinder Binoculars mainly specification:

Model	TY-LR68
Rangefinder
Laser Type	Nd: YAG
Wavelength	1064nm
Pulse energy	25mJ
Beam divergence	≤ 1 mrad, typical 0.8mrad, option 0.5mrad.
Measuring rate	10ppm ~ 30ppm(2 seconds one measurement, 0.5Hz)
Effective ranging	≥20km in standard 23.5km visibility
Max range capability	30km
Accuracy	≤  +/-2m
Accuracy rate	≥ 98%
False alarm rate	<1%
Multiple trget detection	Yes
Gating rang setting:	100m to 6000m
Moving target mode	Yes
Azimuth range	360º
Horizontal range	±70º
Angle measuring accuracy	±0.5º, option 0.3º
Ranging function	Linear distance, direction, angle, horizontal distance, elevation etc
Optics
Optics data	Magnification, ocular diopter adjustment, reticle illumination etc
Electrical interface
Data interface	RS232
Power	Common commercialre chargeable lithium battery
Low battery indicator	Yes
Reliability
Operation Temperature	-40ºC~+60ºC
Storage temperature range (°C)	-55ºC~+75ºC
Relative humidity	Up to 98%
Quality	Fully sealing, waterproof shockproof, meet military standard
Environmental conditions
Life	≥ fifty thousand range measurements
Shot life time	≥ one million
Mechanical interface
Size	≤ 1200 cubic centimeters
Weight	≤ 2kg
Packing and Warranty
Standarding accessories packing	Hard case, user's manual, charger, RS232 communication cable 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.

20km 10~30ppm handheld military GPS DMC Laser Rangefinder Binoculars

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China TianYing TY-LR68 20km 10~30ppm handheld military GPS DMC Laser Rangefinder Binoculars are ideal remote measuring instrument for optronic surveillance and reconnaissance as well as target tracking systems, anti-aircraft systems, fire control systems, position determination, etc..