Hesai Photonics Technology DM100 User Manual
Drone-mounted Remote
Methane Leak Detector
User’s Manual
www.hesaitech.com
100-en-1901B2
HESAI WeChat
Notice
Please read this manual carefully before using the equipment.
CAUTION
To avoid violating the warranty and to minimize the chances of getting electrically shocked, please do not disassemble the device on your
own accord. The device must not be tampered with and must not be changed in any way. There are no user-serviceable parts inside the
device. For repairs and maintenance inquiries, please contact an authorized Hesai Technologies service personnel.
DISCLAIMER
The information contained within this user’s manual and the functions offered is intended to provide information about products. All
reasonable efforts have been made to ensure the accuracy of the information. However, Hesai cannot be held responsible for any errors.
Hesai does not warrant the accuracy and reserves the right to make changes to the catalog and its functions at any time without notice.
Table of Contents
1
2
3
4
5
Safety Notice
Introduction
Specifications
Installation Guide
4.1 Installation Notice
4.2 Mechanical Installation
4.3 Interface Introduction
UART Serial Port Data and
Parameter Configuration
5.1 UART Serial Port Data Output
01
02
03
04
05
06
07-08
Appendix I
Warranty and Maintenance
Appendix II
EC-Declaration of Conformity
Appendix III
FCC Statement
10
11
12
5.2
Parameter Configuration
09
Safety Notice1
Prior to using this product, please read the safety notices carefully to ensure the safety and to avoid any improper usage.
Laser Safety Notice – Laser Class 3R
Infrared Measurement Laser: Class 1 Eye Safe,
wavelength: 1651 nm, <10 mW
Green Indication Laser: Class 3R,
wavelength: 520 nm, <5 mW
Avoid Direct Eye Exposure
Infrared measurement
laser aperture
The device satisfies the requirements of:
IEC 60825-1:2014;
IEC 60825-1:2007；
21 CFR 1040.10 and 1040.11 except for deviations pursuant to Laser Notice No.50, dated June 24, 2007;
GB7247.1-2012.
Green indication
laser aperture
-01-
DANGER
LASER RADIATIONAVOID DIRECT EYE EXPOSURE
MAXIMUM OUTPUT: ＜5 mW
OPERATION: CW (100 ms/200 ms)
WAVELENGTH: 520 nm
CLASS IIIa LASER PRODUCT
CLASS 3R LASER
PRODUCT
(This product complies with IEC
60825-1:2014 Ed 3.0 and
complies with FDA performance
standards for laser products
except for deviations pursuant to
Laser Notice No.50, dated June
24, 2007.)
AVOID DIRECT EYE EXPOSURE
VISIBLE AND INVISIBLE LASER RADIATION
CLASS 3R LASER PRODUCT
MAXIMUM OUTPUT: ＜5 mW
OPERATION: CW (100 ms/200 ms)
WAVELENGTH: 520 nm
IEC 60825-1:2014 IEC 60825-1:2007
Introduction2
Hesai Drone-mounted Remote Methane Leak Detector is an ultralight and highly sensitive module that utilizes an infrared laser to remotely
detect methane leaks. It can be mounted on the drones, vehicles, and ships for applications such as pipeline survey, residential area
detection, etc.
The detector measures the methane concentration by emitting an infrared laser and receiving the laser reflection.
The reading is expressed by a methane column density (ppm*m). It is the integral of the methane concentration (ppm) and the distance (m)
on the optical path.
Receiving Lens
Infrared Measurement
Laser Emitter
Working Light (Blue)
Indication Laser (Green)
Figure 1. Light Instructions
-02-
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