15km Laser Range Finder Module

15km Laser Range Finder Module

The M0815X laser rangefinder module is a military pulse laser rangefinder designed for application scenarios such as aircraft, unmanned aerial vehicles, tanks, and aerial guns. The 15km Laser Range Finder Module has small size, light weight, low power consumption, stable performance, long measurement distance, and long service life, Human eye safety and other advantages, JIOPTICS® is an important technical equipment to improve product aiming accuracy. Welcome to buy 15km Range Finder Module from us.

Ranging range: visibility is not less than 10km under general viewing conditions, diffuse reflectance is 0.3 for vehicles (2.3 mX2.3 m target), ranging distance ≥ 8000m; Visibility is not less than 20km under general viewing conditions, for vehicles (2.3 mX2.3 m target),0.3 diffuse reflectance target, ranging distance ≥ 15000m;

Model:M0815X

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Product Description


JIOPTICS® 15km Laser Range Finder Module Technical parameter

Item
technical parameter
Instruction
Working wavelength
1535±5nm
Ranging capability
50-15km
Ranging range
50m~8km
2.3m×2.3m vehicle target, 0.3 diffuse reflectance, visibility ≥10km;
50m~15km
Energy intensity ≥ 20km, 0.3 large reflectivity target;
Ranging accuracy
±2m

Ranging frequency
1~10Hz adjustable

Accuracy rate
≥98%

Divergence angle
≤0.5mrad

Receiving caliber
40mm

Communication Interface
RS422

Voltage
DC18~32V

Working power consumption
≤1.2W(@1hz)
Normal temperature test

≤0.5W
Normal temperature test
Size
≤79mm×66mm×46mm

Weight
≤120g


Structure installation interface



External Interface

Connector model: MDC1-15SW1
Pin number
Definition
Function
Remark
1
VEE
power input positive
DC9-36V
2
GND
power input ground

3
RS422_T/R+
RS485+/RS422  send positive

4
RS422_T/R-
RS485+/RS422  send nagative

5
RS422_RXD-
RS422 receive negative

6
RS422_RXD+
RS422 receive positive

7
RS232-TX
RS232 send

8
RS232-RX
RS232 take over

9
TTL-TX
TTL send
3.3V
10
TTL-RX
TTL take over
3.3V
11
GND
place of communication

12
NC
Alternate

13
NC
Alternate

14
NC
Alternate

15
NC
Alternate


Environmental adaptability

a) working temperature:-40℃~+60℃。
b) Storage temperature:-45℃~+70℃。
C) Random vibration: 15~2000Hz, 3 directions. The specific test conditions are shown in Table

Table 1 Random vibration test conditions

Serial number
Frequency range (Hz)
Acceleration spectral density (g2/Hz)
Vibration time (min)
1
15~190
0.01
Vibration in every direction 15 min
2
190~210
0.1
3
210~380
0.01
4
380~420
0.025
5
420~2000
0.01

OEM/ODM ranging modules and custom solutions

The M0815X 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.

Calculation of ranging ability

(1)Targets and condition requirements
Visibility≥10km
Humidity≤80%
For vehicles with 2.3m×2.3m dimension
Reflectivity=0.3
Ranging ability≥8km
(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≥50kw peak power of lasers, 0.3mrad divergence angle, 1535nm wavelength, transmitting transmittance≥90%, receiving transmittance≥80% and 40mm 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(40mm 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 10km visibility with 10km distance to targets, the minimum detectable power is lower than M.D.S of APD(5×10-9W), therefore, under a condition with 8km visibility, a laser rangefinder can range distance for (2.3m×2.3m) targets up to 9~10km(might be close or less than 10km).

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