DYC-19A Micro Laser Rangefinder Module Technical Specifications

Nanjing Wavelength Opto-Electronic Technical CO., LTD.

1. Overview

The micro laser rangefinder module (hereinafter referred to as the laser rangefinder module) is a precise photoelectric device that measures distance by emitting a laser beam at the target and calculating the distance based on laser flight time. It features on outstanding performance and easy operation by TTL communication interfaces. The laser of this rangefinder is prohibited from direct exposure to human eyes.

1.1 Product Composition, Accessories, Operating Principle, and Relationship with Connected Devices

The main components of micro laser rangefinder module are as follows:：

a)   Control and information processing circuit components；

b)   Laser transmitting and receiving module

It Weighs≤75g; It outline dimension refers to figure 2;Its design drawing is shown as in figure 1.

1.2 Accessories

The accessories provided with the product are listed in Table 1.

1.3 Interconnection

1.3.1 Mechanical and Optical Interfaces

The outline dimensions of the mechanical and optical interfaces are shown in Figure 2.

2. Specifications

2.1 Function

The main function of DYC-19A micro laser rangefinder：

a)      Laser ranging function;

b)     First and last target ranging function;

c)      Range gating function;

d)     Self-test function;

e)      Serial port update programme function;

f)      Power-up and temperature collection function;

g)     Accumulation of laser times.

2.2 Performance

Main performance indicator：

a)     Working wavelength：1535nm±10nm；

b)    Maximum ranging：

Tested on a 0.3 reflectance target plate or equivalent target under visibility ≥ 12Km and relative humidity ≤ 60%:

Vehicle (2.3m×4.6m) ≥8000m;

Human (0.5m×1.7m) ≥4500m; (design guarantee)

UAV (0.2m×0.3m) ≥2600m.(Design guarantee)

c)     Minimum range：≤20m；

d)    Ranging accuracy ：≤±2m；

e)     Ranging frequency：Single、1Hz、2Hz、3Hz、4Hz、5Hz、10Hz；

f)     Accuracy rate：≥98%；

g)    Distance resolution：≤38m；

h)    Divergence：≤0.4mrad。

2.3 Applicable Environmental Conditions

a)      Working temperature：-40℃～+60℃；

b)      Storage temperature：-50℃～+70℃(Assessed with the whole machine)；

c)      Vibration：5～50～5Hz，1 octave/min，2.5g（Assessed with the whole machine）；

d)      Shock：1200g，1ms（Assessed with the whole machine）

2.4 Safety

In order to safeguard the safety of test subjects and test personnel, the following safety measures were taken during the design process of the DYC-19A compact laser distance measuring machine:

a) Conduct safety design and analysis in accordance with GJB 900A-2012 General Requirements for Equipment Safety Work;

b) Use of non-flammable materials and stable and reliable connection of mechanical and electrical interfaces;

c) The key system and the components for controlling key functions have error-proof design;

d) Reasonable design means are adopted to avoid the gathering of water vapour, which may lead to short circuit;

e) The human eye safe laser as the working wave band;

f) Work under the safe voltage for human body.