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12km Laser Range Finder Module
The M1220x long range laser rangefinder module is a military pulse laser rangefinder designed for aircraft, unmanned aerial vehicle, tank, artillery and other application scenarios. It has the advantages of small size, light weight, low power consumption, stable performance, long measuring distance, long service life, eye safety and so on. JIOPTICS® is an important technical equipment to improve the product aiming accuracy. Welcome to buy 12km Laser Range Finder Module from us.
Ranging range: visibility under the conditions of visibility is not less than 15km, for vehicles (2.3mX2.3m target), 0.3 diffuse reflectance, ranging distance ≥12000m; Visibility under the conditions of not less than 25km, large target, ranging distance ≥20000m;
Model:M1220X
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Product Description
12km Laser Range Finder Module Parameters
| Parameters | Specification | Note. |
| Wavelength | 1535±5nm | |
| Ranging capability | 50m~20km | |
| Ranging ability | ≥12km(2.3m×2.3m, 0.3 reflectivity vehicle, visibility≥15km) | Humidity≤80% |
| ≥20km(for large targets, visibility≥25km) | ||
| Ranging accuracy | ±3m | |
| Ranging repetition rate | 1~10hz(adjustable) | |
| Accuracy | ≥98% | |
| Divergence angle | ≤0.3mrad | |
| Receiving aperture | 56mm | |
| Communication interface | RS422 | |
| Supply voltage | DC18~32V | |
| Operating power | ≤2W(@1hz) | Tested under room temperature |
| Stand-by power | ≤0.5W | Tested under room temperature |
| Dimension | ≤89mm×63.4mm×80mm | |
| Weight | ≤350g | |
| Temperature | -40℃~65℃ | |
| Heat-dissipating | By thermal conduction |
Communication interface
| Line NO. | Definition | Note. |
| 1 | RS422 RX+ | RS422 receive+ |
| 2 | RS422 RX- | RS422 receive- |
| 3 | RS422 TX- | RS422 Transmit- |
| 4 | RS422 TX+ | RS422 Transmit+ |
| 5 | GND | For Communication interface |
| 6 | +24V | Power supply 24V |
| 7 | GND | For power supply |
| 8 | For spare |
Dimension
OEM/ODM ranging modules and custom solutions
The M1220X is designed for system integrators looking for a convenient, powerful and compact laser ranging solution. It provides reliable performance in a wide range of applications.
It is very small, ultra-light, has low power consumption and can be measured over a long distance. It is suitable for handheld devices (thermal imaging), weapon mounting applications, portable systems and lightweight sensor suites and unmanned aerial vehicles or UGVs.
It is very small, ultra-light, has low power consumption and can be measured over a long distance. It is suitable for handheld devices (thermal imaging), weapon mounting applications, portable systems and lightweight sensor suites and unmanned aerial vehicles or UGVs.
Calculation of ranging ability
(1)Targets and condition requirements
Visibility≥15km
Humidity≤80%
For vehicles with 2.3m×2.3m dimension
Reflectivity=0.3
Ranging ability≥12km
(2)Analysis and verification
The main parameters that affect ranging ability are peak power of lasers, divergence angle, transmitting and receiving transmittance, wavelength of laser, etc.
For this laser rangefinder, it takes≥80kw peak power of lasers, 0.3mrad divergence angle, 1535nm wavelength, transmitting transmittance≥90%, receiving transmittance≥80% and 56mm receiving aperture.
It is a laser rangefinder for small targets, ranging ability can be calculated by the following formula. Ranging formula for small targets：
: Detectable optical power
: Transmitting power of laser rangefinder(50kw)
: Transmitting transmittance(0.9)
: Receiving transmittance(0.8)
: Optical receiving area(56mm receiving aperture)
: Effective reflection area of targets(5.29㎡)
: Target reflectivity(0.3)
: Atmosphere attenuation coefficient(0.16)
: Visibility(according to testing condition)
: Distance to targets
As long as detectable optical power that reflected by targets is larger than minimum detectable power, a laser rangefinder is able to range distance to a target. For a laser rangefinder with 1535nm wavelength, generally, the minimum detectable power(M.D.S) of APD is 5×10-9W.
Under 15km visibility with 14km distance to targets, the minimum detectable power is lower than M.D.S of APD(5×10-9W), therefore, under a condition with 15km visibility, a laser rangefinder can range distance for (2.3m×2.3m) targets up to 13~14km(might be close or less than 14km).
Visibility≥15km
Humidity≤80%
For vehicles with 2.3m×2.3m dimension
Reflectivity=0.3
Ranging ability≥12km
(2)Analysis and verification
The main parameters that affect ranging ability are peak power of lasers, divergence angle, transmitting and receiving transmittance, wavelength of laser, etc.
For this laser rangefinder, it takes≥80kw peak power of lasers, 0.3mrad divergence angle, 1535nm wavelength, transmitting transmittance≥90%, receiving transmittance≥80% and 56mm receiving aperture.
It is a laser rangefinder for small targets, ranging ability can be calculated by the following formula. Ranging formula for small targets：
: Detectable optical power: Transmitting power of laser rangefinder(50kw): Transmitting transmittance(0.9): Receiving transmittance(0.8): Optical receiving area(56mm receiving aperture): Effective reflection area of targets(5.29㎡): Target reflectivity(0.3): Atmosphere attenuation coefficient(0.16): Visibility(according to testing condition): Distance to targetsAs long as detectable optical power that reflected by targets is larger than minimum detectable power, a laser rangefinder is able to range distance to a target. For a laser rangefinder with 1535nm wavelength, generally, the minimum detectable power(M.D.S) of APD is 5×10-9W.
Under 15km visibility with 14km distance to targets, the minimum detectable power is lower than M.D.S of APD(5×10-9W), therefore, under a condition with 15km visibility, a laser rangefinder can range distance for (2.3m×2.3m) targets up to 13~14km(might be close or less than 14km).
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