2A783-GMS003Gas monitoring series

HCLH/SOP-YF-072-108 Gas Monitoring Series MT300MIX Operation and Installation Manual B1-MT300MIX 1 [Manufacturer]: Wuhan Huchuang Union Technology Co., Ltd. [Production Address]: No.1 Workshop, 1F, Building B10, Wuhan Hi-Tech Medical Device Park, No. 818 Gaoxin Avenue, East Lake Hi-Tech Development Zone, Wuhan, Hubei, China [After-Sales Service Unit]: Wuhan Huchuang Union Technology Co., Ltd. Date of Approval and Revision: March 1, 2021 B1-MT300MIX 2 Contents 1 Overview .................................................................................................................................................................3 1.1 Operation Instructions of Manual .................................................................................................................3 1.2 Overview ......................................................................................................................................................3 1.3 Environmental Requirements .......................................................................................................................3 1.4 Environmental Protection Instructions .........................................................................................................3 2 Structure Features and Equipment Parameters ........................................................................................................4 2.1 Structure Features .........................................................................................................................................4 2.2 Equipment Parameters ..................................................................................................................................6 3 Basic Operation Instructions ....................................................................................................................................7 3.1 Power-On for Use .........................................................................................................................................7 3.2 Operation Instructions of Buttons .................................................................................................................8 4 Installation Instructions ........................................................................................................................................ 16 4.1 Installation Method 1 ................................................................................................................................. 16 4.2 Installation Method 2 ................................................................................................................................. 17 5 Precautions............................................................................................................................................................ 18 6 FCC Warning ..................................................................................................................................................... 18 B1-MT300MIX 3 1 Overview 1.1 Operation Instructions of Manual 1.1.1 It is not allowed to print or disclose any content of this Manual, including pictures and audio products, under any name without the consent of Huchuang Union; 1.1.2 The equipment operator may copy some sections of this Operation Manual for internal use only, such as for instructing the user how to deal with emergencies. These sections are clearly listed in the catalogue of this manual; 1.1.3 Wuhan Huchuang Union Technology Co., Ltd. reserves the copyright of the Manual. The manual contains the information protected by copyright laws. No part of the Manual is allowed to be copied and sent to the users without the prior written permission of the copyright holder; 1.1.4 The contents of the Manual are subject to change without prior notice. 1.2 Overview MT300MIX device is used to detect the concentrations of CO 2 and O 2 in premixed gas. It is generally connected to the end of the gas path to detect the gas regularly, display the detected concentration data on the display screen of the local machine, and upload it to the cloud server through wireless technology at the same time. The equipment has the function of leakage detection: When the equipment leaks, the audio and video alarm system of the equipment can send out alarm sound and automatically close the intake valve. In order to further ensure that the equipment does not leak, a manual valve is installed outside the equipment. If there is a leak alarm, the user can manually close the intake valve. The device has the low gas pressure detection function: When the gas pressure in the device is less than a certain value, it will trigger the sound and light alarm of low pressure, reminding the user the low gas pressure. The device is powered through the power adapter. The 1000mAh lithium battery built in the device can only provide the power supply to the device for a short time when being disconnected from the adapter, so the device cannot work under the condition of disconnection from the adapter for a long time; in addition, the equipment has power failure alarm function. When MT300MIX is installed and used for the first time, it is necessary to add the sampling frequency (operated by professional engineers) in order to empty the excess air inside the device in a short time and ensure the accuracy of premixed gas concentration detection. Note: 1) The higher the sampling frequency (55 minutes by default) is, the longer the intake time will be (10 seconds by default), and the larger the gas consumption will be. 2) The wireless transmission distance should not exceed 3 rooms. 1.3 Environmental Requirements 1.3.1 Only for indoor use, no high temperature, moisture, water or dust; 1.3.2 Atmospheric pressure: 70kPa～105kPa; Working ambient temperature: 0°C～+50°C; 1.3.3 Storage ambient temperature: 0°C～+50°C; relative humidity in the working environment: ≤80% (non-condensing); 1.3.4 Power adapter (input: AC10…

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2022-09-08 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2A783-GMS003 Product Name: Gas monitoring series Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of t he commissions rules, we hereby request that the following documents be held confidential: Schematics Block diagram Operation description BOM These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. By: xiayan Signature Printed On behalf of : Wuhan Huchuang Union Technology Co., Ltd. Telephone: 18942930531

Letter of Authorization Company: Wuhan Huchuang Union Technology Co., Ltd. Address: No. 1 飞鸟1orkshop,lF, Building BlO, Wuhan Hi-tech Medical Device Park, No. 818 Gaoxin Avenue, East Lake Hi-tech Development Zone, Wuhan, Hubei, China Product Name: Gas monitoring series Model Number: MT300MIX, MT300DC,MT300DClite, MT310DC FCC Identifier: 2A 783-G岛fS003 We authorize MiCOM Labs Inc, 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the above named equipment. Any individual within Mi COM Labs is authorized to act on our behalf and take action on the application. We declare that MiCOM Labs lnc, 575 Boulder Court, Pleasanton, California 94566, USA, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by Mi COM Labs on our behalf shall have the same effect as acts of our own. Name: xiayan Date: 2022-09-08 Title: manager

Report No.: CHTEW22080184 Page: 29 of 36 Date of issue: 2022-08-29 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) 7. EXTERNAL AND INTERNAL PHOTOS External Photos Report No.: CHTEW22080184 Page: 30 of 36 Date of issue: 2022-08-29 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) Report No.: CHTEW22080184 Page: 31 of 36 Date of issue: 2022-08-29 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01)

标签 位置

受 控 标 识 图样版次 分发部门 研发部 生产部 质量部 采购部 销售部 企管部 共 计 A1 数量 1 1 1 0 0 1 4 签 名 日 期 标记 处数 更改文件号 签名 年、月、日 设 计 校 对 批 准 发 布 未注尺寸公差GB/T 1804-f 未注形位公差GB/T 1184-h 图幅 A4 第 1 页 共 1 页 阶段标识 重量 比例 1:1S 武汉互创联合科技有限公司 本图版权归武汉互创联合科技有限公司所有，未经许可不得复制及泄露。 MT1100产品标签 技术要求: 1.字迹清晰,无串色; 2.信息无缺失、漏印； 3.印刷信息与标签边缘余留间隙 4.标签纸规格100*60mm。 A 铜版纸 不干胶标签纸 HCLH/WI-YF-061-115 S N 武汉互创联合科技有限公司 WUHAN HUCHUANG UNION TECHNOLOGY CO.,LTD Wuhan Huchuang Union TechnologyCo., Ltd. Address: No. 1 Workshop, 1F, Building B10, Wuhan Hi-tech Medical Device Park, No. 818 Gaoxin Avenue, East Lake Hi-tech Development Zone, Wuhan, Hubei, China Tel: +86-027-8375 4648 Web: www.huchuang.com Email: [email protected] Product Name: Gas Monitoring series Specification / Model:MT300MIX Power : 5V/2A Working temperature:0°C～50°C Date of manufacture： FCC ID:2A783-GMS003 Note: see the instructions for other contents 9 5 . 0 0 m m 5 5 . 0 0 m m HUCHUANG UNION IVF SYSTEM

Report No.: CHTEW22080184 Page: 35 of 39 Date of issue: 2022-10-14 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) Internal Photos Report No.: CHTEW22080184 Page: 36 of 39 Date of issue: 2022-10-14 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) Report No.: CHTEW22080184 Page: 37 of 39 Date of issue: 2022-10-14 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) Report No.: CHTEW22080184 Page: 38 of 39 Date of issue: 2022-10-14 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) Report No.: CHTEW22080184 Page: 39 of 39 Date of issue: 2022-10-14 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) 8. APPENDIX REPORT

承认书项目表 内容 页数页码 NO. （Number（Page （ Contents ） ofPage ） Code ） 1 承认书封面（ SpecCover ） 11 2 承认书项目表（ SpecItem ） 12 3 工程成品图（ Drawing ） 13 4 电性测试报告（ TestReports ） 14 5 S 参数测试（ SParameter ） 15 6 增益测试（ GainTest ） 16 7 8 9 10--- 11--- 12--- Tel:15818375487 DESCRIPTIONSIGNDATEAPPROVER D C B D C A E 7 6 5 4 3 2 1 D C B A E 7 5 6 4 31 2 4 3 2 1 C B A B 8 8 PC+ABS Part Number Description ᵜփ AN5701 1 No. Finished 唁㢢 Material 2 䬌 SMAཤޜ SMA201 䭰䠁 1 1 Q ty YD 2020-07-10 SCALE: 1/1 UNITS: mm REVISION: A APPROVED BY Tolerance TITLE:433mhz Antenna PART NO.: 433-A052B DWG NAME:433-A052B.DWG CHECKED BYDESIDNED BY ±3°X° X.X ±0.20 X.XX ±0.10 leon 2020-07-10 jeff 2020-07-10 电性测试报告 TestReports Sample Photo A. Electrical Characteristics Frequency S.W.R. Antenna Gain/type Polarization Impedance 420 ~ 450 MHz <= 2.0 3 dBi/Rubber rod folding antenna Linear 50 Ohm B. Material & Mechanical Characteristics Material of Radiator Cu Connector Type SMA Male Reverse Connector Pull Test >= 2 Kg C. Environmental Operation Temperature - 40 °C ~ + 65 °C Storage Temperature - 40 °C ~ + 80 °C Material of Plastic Body: PC+ABS Tel:15818375487 S 参数测试 SParameterTest AgilentE5071C Tel:15818375487 增益测试 GainTest Antenna Radiation Pattern VS Gain Tel:15818375487

Page: 1 of 39 TEST REPORT For RF Report No. ...................................... : CHTEW22080184 Report Verification: Project No.................................： SHT2207038403EW FCC ID ............................................. : 2A783-GMS003 Applicant’s name ........................... : Wuhan Huchuang Union Technology Co., Ltd. Address ............................................. : No. 1 Workshop, 1F, Building B10, Wuhan Hi-tech Medical Device Park, No. 818 Gaoxin Avenue, East Lake Hi-tech Development Zone, Wuhan, Hubei, China Test item description .................... : Gas monitoring series Trade Mark ....................................... : Metiec Model/Type reference ....................... : MT300MIX Listed Model(s) ................................. : MT300DC,MT300DClite，MT310DC Standard ......................................... : FCC CFR Title 47 Part 15 Subpart C Section 15.231 Date of receipt of test sample..........: Jul.21, 2022 Date of testing.............................: Jul.21, 2022- Oct.13, 2022 Date of issue...............................: Oct.14, 2022 Result .................. ........................: PASS Compiled by ( position+printedname+signature) ... : File administrators Fanghui Zhu Supervised by (Position+Printed name+Signature): Project Engineer Weiyang.Xiang Approved by (Position+Printed name+Signature): RF Manager Hans Hu Testing Laboratory Name ............. : Shenzhen Huatongwei International Inspection Co., Ltd. Address ............................................. : 1/F, Bldg 3, Hongfa Hi-tech Industrial Park, Genyu Road, Tianliao, Gongming, Shenzhen, China Shenzhen Huatongwei International Inspection Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Huatongwei International Inspection Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Huatongwei International Inspection Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. The test report merely correspond to the test sample. Report No.: CHTEW22080184 Page: 2 of 39 Date of issue: 2022-10-14 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) Contents 1. TEST S T AN D AR D S A N D R E P O R T V E R S I O N ......................................... 3 1.1. Test Standards 3 1.2. Report version 3 2. TEST DESCRIPTION ..................................................................... 4 3. SUMMARY ............................................................................... 5 3.1. Client Information 5 3.2. Product Description 5 3.3. Radio Specification Description 5 3.4. Testing Laboratory Information 6 4. TEST CONFIGURATION ................................................................. 7 4.1. Test frequency list 7 4.2. Descriptions of Test mode 7 4.3. Test sample information 7 4.4. Support unit used in test configuration and system 8 4.5. Testing environmental condition 8 4.6. Statement of the measurement uncertainty 8 4.7. Equipment Used during the Test 9 5. TEST CONDITIONS AND RESULTS ................................................... 11 5.1. Antenna Requirement 11 5.2. AC Conducted Emission 12 5.3. 20dB bandwidth 14 5.4. Silent Period Time 15 5.5. Duty Cycle Corrected Factor 16 5.6. Radiated field strength of the fundamental signal 17 5.7. Radiated Spurious Emission 19 6. TEST SETUP PHOTOS ................................................................. 30 7. EXTERNAL AND INTERNAL PHOTOS ................................................. 32 8. APPENDIX REPORT ................................................................... 39 Report No.: CHTEW22080184 Page: 3 of 39 Date of issue: 2022-10-14 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) 1. TEST STAND ARDS AND REPORT VERSION 1.1. Test Standards The tests were performed according to following standards: ‒ FCC Rules Part 15.231(e): Periodic operation in the band 40.66–40.70 MHz and above 70 MHz. ‒ ANSI C63.10:2013: American National Standard for Testing Unlicensed Wireless Devices 1.2. Report version Revision No. Date of issue Description N/A 2022-10-14 Original Report No.: CHTEW22080184 Page: 4 of 39 Date of issue: 2022-10-14 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) 2. TEST DESCRIPTION Report clause Test Items Standard Requirement Result Test Engineer 5.1 Antenna Requirement 15.203 PASS Xiaoqin Li 5.2 AC Conducted Emission 15.207 PASS Junman Wang 5.3 20dB Bandwidth 15.231(c) PASS Xiaoqin Li 5.4 Silent period time 15.231(e) PASS Xiaoqin Li 5.5 Duty cycle corrected factor - PASS *1 Xiaoqin Li 5.6 Field strength of the Fundamental signal 15.231(e) PASS Yifan Wang 5.7 Radiated Spurious Emission 15.231(e)/15.205/15.209 PASS Yifan Wang Note: ‒ The measurement uncertainty is not included in the test result. ‒ *1: No requirement on standard, only report these test data. Report No.: CHTEW22080184 Page: 5 of 39 Date of issue: 2022-10-14 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) 3. SUMMARY 3.1. Client Information Applicant: Wuhan Huchuang Union Technology Co., Ltd. Address: No. 1 Workshop, 1F, Building B10, Wuhan Hi-tech Medical Device Park, No. 818 Gaoxin Avenue, East Lake Hi-tech Development Zone, Wuhan, Hubei, China Manufacturer: Wuhan Huchuang Union Technology Co., Ltd. Address: No. 1 Workshop, 1F, Building B10, Wuhan Hi-tech Medical Device Park, No. 818 Gaoxin Avenue, East Lake Hi-tech Development Zone, Wuhan, Hubei, China Factory: Wuhan Huchuang Union Technology Co., Ltd. Address: No. 1 Workshop, 1-2F, Building B10, Wuhan Hi-tech Medical Device Park, No. 818 Gaoxin Avenue, East Lake Hi-tech Development Zone, Wuhan, Hubei, China 3.2. Product Description Main unit information: Product Name: Gas monitoring series…

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Report No.: CHTEW22080184 Page: 27 of 36 Date of issue: 2022-08-29 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) 6. TEST SETUP PHOTOS Radiated Emission Report No.: CHTEW22080184 Page: 28 of 36 Date of issue: 2022-08-29 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) Conducted Emissions (AC Mains)