HESAI. HS-4000 Laser-Based Remote Methane Leak Detector

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1 HESAI HS-4000 Laser-Based Remote Methane Leak Detector

2 HESAI Introduction HS-4000 is an ultralight and highly sensitive instrument that utilizes laser for remote methane leak detection HS-4000 emits laser lights of a wavelength of 1650nm. Laser lights can travel through glasses, partially absorbed by gas, and reflected by furniture and walls, all the way back into the sensor. This reflected light is collected and converted to an electrical signal that carries information needed to deduce the relative methane concentration The laser has a actual distance of up to 50m and is selective to methane only. It will not false alarm on other hydrocarbons HS-4000 has done over 10,000 inspections in residential areas and detected 12 gas leaks

3 Key Components Display Infrared Lens Infrared Laser Emitter Guide Light Operation Button Inspection Button Handheld Remote Methane Leak Detector Infrared Laser Emitter Infrared Lens Guide Light Drone-Mounted Remote Methane Leak Detector Working Principle Detector lens Methane leakage Optical Signal Converted to Electrical Signal Pipeline Infrared Laser Emitter This product is based on Infrared Absorption Spectroscopy using semiconductor laser for methane detection The integrated concentration of methane between HS-4000 and the target point is measured by transmitting a detection laser beam towards the target point, then detecting a fraction of the diffusely reflected beam from the target point

4 Real-Time Inspection Advantages Highly sensitive (5 ppm-m) Quick response time No false alarms 1 Double Glazed Windows Residential Areas Residential Building Natural Gas Leak Detection 1 Pipeline Natural Gas Pipeline Gas Leak Detection 2 Gas Container Methane Leak Inspection 2 Natural Gas Station 2 Gas Container Methane Leak Inspection

5 Performance Hesai Tech Heath Consultants Focused Photonics Inc. Tokyo Gas Sensitivity (ppm*m) 5 (Actual) 5-10 (Nominal) 10 (Nominal) 10 (Nominal) Weight 0.6kg 4.5kg 1.4kg 0.6kg Detection Distance 50m 30m 30m 30m False Alarm None Frequent (Actual) Frequent (Actual) Frequent (Actual) Response Speed 0.05s 0.1s 0.1s 0.1s User Interface Product Image Clients ENN Energy Holdings Limited: Purchased HS-5000 Drone-Mounted Natural Gas Surveillance System in 2016 Beijing Polytide Machinery Co.,Ltd.: Purchased HS-4000 Hand-held Remote Methane Leak Detector in 2016 PetroChina Company Limited: Utilized HS D Based Methane Detection System in 2016

6 Team Kai Sun Company Information Hesai Photonics Technologies (a.k.a., Hesai), Ltd., headquartered in Shanghai, China, was founded in Silicon Valley in the United States in 2012 by several Tsinghua/Stanford alumni. Hesai focuses on manufacturing industrial grade laser optical sensors and complete solutions for various industrial applications, including LiDAR sensors for autonomous driving and ADAS systems, drone-mounted natural gas leak remote sensing systems, and air quality monitoring IoT networks. David Li Chairman/Chief Scientist/ The Thousand Talents Expert Stanford University/ Assistant Researcher Stanford University/ PhD Shaoqing Xiang CEO Western Digital Corporation/ Principle Engineer University of Illinois/ PhD Tsinghua University/ BS Ronald Hanson CTO Apple Inc./ Hardware Systems Integration Engineer Stanford University/ MS Tsinghua University/ BS Other Products Technical Consultant Stanford University/ Professor Expert of Absorption Spectroscopy Patent One patent granted by Stanford; Six plant patents; 11 utility patents; Two Software Copyrights Drone-Mounted Natural Gas Surveillance System Drone-Mounted Pipeline Surveillance System Vehicle-Mounted Natural Gas Leak Detector

7 HESAI For More Information Company Website: Address: 925 Yecheng Rd, Jiading District, Shanghai Postcode: