标准编号:	GB 15322.3-2019
中文名称:	可燃气体探测器 第3部分：工业及商业用途便携式可燃气体探测器
英文名称:	Combustible gas detectors—Part 3: Portable combustible gas detectors for industrial and commercial use
中标分类:	C81    火警监视、报警与消防调度系统
行业分类:	GB    国家标准
ICS分类:	13.220.20 13.220.20    防火 13.220.20
发布机构:	国家市场监督管理总局 国家标准化管理委员会
发布日期:	2019-10-14
实施日期:	2020-11-1
标准状态:	valid
替代旧标准:	GB 15322.3-2003 可燃气体探测器 第3部分:测量范围为0～100%LEL的便携式可燃气体探测器 GB 15322.6-2003 可燃气体探测器 第6部分:测量人工煤气的便携式可燃气体探测器
翻译语言:	英文
文件格式:	PDF
翻译字数:	17000 字
交付时间:	1 个工作日

Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. All technical contents of this part are compulsory. GB 15322 consists of the following parts under the general title Combustible gas detectors: ——Part 1: Point-type combustible gas detectors for industrial and commercial use; ——Part 2: Household combustible gas detectors; ——Part 3: Portable combustible gas detectors for industrial and commercial use; ——Part 4: Line-type optical beam combustible gas detectors for industrial and commercial use. This is Part 3 of GB 15322. This part is developed in accordance with the rules given in GB/T 1.1- 2009. This part replaces GB 15322.3-2003 Combustible gas detectors - Part 3: Portable detectors for 0~100% LEL combustible gas and GB 15322.6-2003 Combustible gas detectors - Part 6: Portable detectors for combustible man-made gas. The following main technical changes have been made with respect to GB 15322.3-2003 and GB 15322.6-2003: ——The contents of GB 15322.3-2003 and GB 15322.6-2003 are incorporated into one part; ——According to the measurement range, the detectors are classified into three types: detectors with a measurement range between 3%LEL and 100%LEL, detectors with a measurement range below 3%LEL, and detectors with a measurement range above 100%LEL. According to the working mode, the detectors are classified into two types: detectors for continuous operation and single measurement detectors (see Clause 3; Clause 4 of GB 15322.3-2003 and that of GB 15322.6-2003); ——The requirements for the detector concentration display function are added (see 4.3.1.5); ——The test conditions of high temperature (operation) test and low temperature (operation) test, as well as the requirements for alarm operation values of detectors under various test conditions are revised (see Clause 4; Clause 5 of GB 15322.3-2003 and that of GB 15322.6-2003); ——The poison resistance test is added (see 4.3.12); ——The low concentration operation test is added (see 4.3.14). This part was proposed by and is under the jurisdiction of the Ministry of Emergency Management of the People's Republic of China. The previous editions of this part are as follows: ——GB 15322-1994; ——GB 15322.3-2003; ——GB 15322.6-2003. Combustible gas detectors - Part 3: Portable combustible gas detectors for industrial and commercial use 1 Scope This part of GB 15322 specifies the classification, requirements, tests, inspection rules and markings of portable combustible gas detectors for industrial and commercial use. This part is applicable to portable combustible gas detectors (hereinafter referred to as "detectors") which are installed and used in industrial and commercial places to detect hydrocarbons, ethers, esters, alcohols, carbon monoxide, hydrogen and other combustible gases and vapors. This part is also applicable to detectors with special performance used in industrial and commercial places, except that special requirements shall be required separately by relevant standards. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB 3836.1-2010 Explosive atmospheres - Part 1: equipment-General requirements GB/T 9969 General principles for preparation of instructions for use of industrial products GB 12978 Rules for test of fire electronic products GB 15322.1-2019 Combustible gas detectors - Part 1: Point-type combustible gas detectors for industrial and commercial use GB/T 16838 Environmental test methods and severities for fire electronic products GB/T 17626.2-2018 Electromagnetic compatibility - Testing and measurement techniques - Electrostatic discharge immunity test GB/T 17626.3-2016 Electromagnetic compatibility - Testing and measurement techniques - Radiated radio-frequency electromagnetic field immunity test   3 Classification 3.1 By measurement range: a) Detectors with a measurement range between 3%LEL and 100%LEL; b) Detectors with a measurement range below 3%LEL (including detectors detecting carbon monoxide); c) Detectors with a measurement range above 100%LEL. Note: The lower explosive limit (LEL) is the lowest explosion concentration of combustible gas or vapor in air. 3.2 By working mode: a) Detectors for continuous operation; b) Single measurement detectors. 4 Requirements 4.1 General The detectors shall meet the relevant requirements of Clause 4, and shall be tested in accordance with Clause 5 to confirm whether the detectors meet the requirements of Clause 4. 4.2 Appearance requirements 4.2.1 The detectors shall be provided with the complete package when they are delivered, and the package shall contain the quality certificate and the instructions for use. 4.2.2 The detectors shall be free from corrosion, coating peeling, blistering, obvious mechanical damage such as scratches, cracks, burrs, etc., on their surfaces, and free from looseness in fastening parts. 4.3 Performance 4.3.1 General requirements 4.3.1.1 The detectors shall be powered by batteries Detectors with replaceable batteries shall have a battery installation structure to prevent reverse polarity connection. 4.3.1.2 The detectors shall have operating state indicating lights to indicate their normal monitoring, fault and alarm operating state. The green indicates normal monitoring state, the yellow indicates fault state and the red indicates alarm state. The low limit and high limit alarm state indication shall be clearly distinguished. The indicating light shall have their functions noted in Chinese. Under 5lx~500lx illumination and at 1m in front of the detector, the indicating light shall be clearly visible. Note: Normal monitoring state refers to that the detector operates normally in an energized state, without alarm signal or fault signal. 4.3.1.3 Under the rated operating voltage, the highest sound pressure level (A-weighted) of alarming signal of detector at a distance of 1m right ahead of it shall be at least 70dB but less than 115dB. 4.3.1.4 When the concentration of combustible gas in the monitored area reaches the alarm set point, the detector shall be able to send out alarm sound and light signals. Then the detector is put in a normal environment, and it shall be able to automatically (or manually) return to the normal monitoring state within 30s. 4.3.1.5 The detector shall have the concentration display function Under 5lx~500lx illumination and at 0.5m in front of the detector, the displayed information shall be clearly visible. When the concentration of combustible gas in the monitored area exceeds its range, the detector shall have a clear indication of exceeding the range. 4.3.1.6 The range and alarm set point of detectors are specified as follows: a) For detectors with a measurement range between 3%LEL~100%LEL, the low limit alarm set point shall be in the range of 5%LEL~25%LEL, and if there is a high limit alarm set point, it shall be 50%LEL. If the low limit alarm set point is adjustable, its low limit alarm set point shall be adjustable within the range of 5%LEL~25%LEL. b) For detectors detecting carbon monoxide, the low limit alarm set point shall be in the range of 150×10-6 (volume fraction)~300×10-6 (volume fraction), and if there is a high limit alarm set point, it shall be 500×10-6 (volume fraction). If the low limit alarm set point is adjustable, it shall be adjustable in the range of 150×10-6 (volume fraction)~300×10-6 (volume fraction). c) For detectors with a measurement range below 3%LEL and those with a measurement range above 100%LEL, their range and alarm set point shall be specified by the manufacturer. d) Parameters such as range and alarm set point shall be indicated in the instructions for use of the detector.   4.3.1.7 When a detector uses the gas sensor with a plug-in structure, it shall be protected against structural detachment. When the gas sensor is detached, the detector shall be able to send out distinguishing fault sound and light signals within 30s. 4.3.1.8 The detector shall have manual self-inspection function of acousto-optic components 4.3.1.9 The service life of the gas sensor shall be indicated in the instructions for use of the detector. 4.3.1.10 The detector shall be of explosion-proof type meeting the requirements of GB 3836.1-2010. 4.3.1.11 The model preparation of detectors shall be in accordance with GB 15322.1-2019, Annex A. 4.3.1.12 The instructions for use of detectors shall meet the relevant requirements of GB/T 9969. 4.3.2 Alarm operation value 4.3.2.1 In the test items specified in this part, the alarm operation value of detectors with a measurement range between 3%LEL and 100%LEL shall not be lower than 5%LEL, and that of detectors detecting carbon monoxide shall not be lower than 50×10-6 (volume fraction). 4.3.2.2 The difference between alarm operation value and alarm set point of detectors is specified as follows: a) For detectors with a measurement range between 3%LEL and 100%LEL, the absolute value of the difference between the alarm operation value and the alarm set point shall not be greater than 3%LEL; b) For detectors with a measurement range below 3%LEL, the absolute value of the difference between the alarm operation value and the alarm set point shall not be greater than 3% of the range and 50×10-6 (volume fraction), whichever is greater. For detectors detecting carbon monoxide, the absolute value of the difference between the alarm operation value and the alarm set point shall not be greater than 50×10-6 (volume fraction); c) For detectors with a measurement range above 100%LEL, the absolute value of the difference between the alarm operation value and the alarm set point shall not be greater than 3% of the range. 4.3.3 Range indication deviation Several test points are selected as reference values in the range of the detector, so that the concentrations of combustible gas in the monitored areas reach the corresponding reference values respectively. The difference between the display value of the detector and the reference value is specified as follows: a) For detectors with a measurement range between 3%LEL and 100%LEL, the absolute value of the difference between the display value of combustible gas concentration at the test point and the reference value shall not be greater than 5%LEL. b) For detectors with a measurement range below 3%LEL, the absolute value of the difference between the display value of combustible gas concentration at the test point and the reference value shall not be greater than 5% of the range or 80×10-6 (volume fraction), whichever is greater. For detectors detecting carbon monoxide, the absolute value of the difference between the concentration display value and the reference value shall not be greater than 80×10-6 (volume fraction). c) For detectors with a measurement range above 100%LEL, the absolute value of the difference between the display value of combustible gas concentration at the test point and the reference value shall not be greater than 5% of the range. 4.3.4 Response time Introduce the test gas with a flow rate of 500mL/min and a concentration of 60% of the full range into the detector, keep for 60s, and record the display value of the detector as the reference value, and the time required for it to reach 90% of the reference value is the response time of the detector. The response time of a detector detecting carbon monoxide shall not be greater than 60s, and that of any other gas detector shall not be greater than 30s. 4.3.5 Orientation The front panel of the detector rotates clockwise in the horizontal plane by 45° every time, and the alarm operation value of the detector is measured respectively, which shall meet the requirements of 4.3.2.2. 4.3.6 Alarm repeatability The alarm operation value of the same detector is repeatedly measured for six times, and its alarm operation value shall meet the requirements of 4.3.2.2.

Foreword II 1 Scope 2 Normative references 3 Classification 4 Requirements 4.1 General 4.2 Appearance requirements 4.3 Performance 4.4 Response performance for detecting gases other than methane, propane and carbon monoxide 5 Tests 5.1 Test outline 5.2 Basic performance test 5.3 Alarm operation value test 5.4 Range indication deviation test 5.5 Response time test 5.6 Orientation test 5.7 Alarm repeatability test 5.8 High speed airflow test 5.9 Battery capacity test 5.10 Electrostatic discharge immunity test 5.11 Radiated, radio-frequency electromagnetic field immunity test 5.12 High temperature (operation) test 5.13 Low temperature (operation) test 5.14 Steady-state damp-heat (operation) test 5.15 Vibration (sinusoidal) (operation) test 5.16 Vibration (sinusoidal) (durability) test 5.17 Drop test 5.18 Poison resistance test 5.19 High-concentration gas impact resistance test 5.20 Low concentration operation test 6 Inspection rules 6.1 End-of-manufacturing inspection 6.2 Type inspection 7 Marking 7.1 General 7.2 Product marking 7.3 Quality inspection marking

可燃气体探测器 第3部分：工业及商业用途便携式 可燃气体探测器 1 范围 GB 15322的本部分规定了工业及商业用途便携式可燃气体探测器的分类、要求、试验、检验规则和标志｡ 本部分适用于工业及商业场所使用的用于探测烃类、醚类、酯类、醇类、一氧化碳、氢气及其他可燃性气体、蒸气的便携式可燃气体探测器(以下简称“探测器”)｡工业及商业场所中使用的具有特殊性能的探测器，除特殊要求由有关标准另行规定外，亦可执行本部分｡ 2 规范性引用文件 下列文件对于本文件的应用是必不可少的｡凡是注日期的引用文件，仅注日期的版本适用于本文件｡凡是不注日期的引用文件，其最新版本(包括所有的修改单)适用于本文件｡ GB 3836.1—2010 爆炸性环境 第1部分：设备 通用要求 GB/T 9969 工业产品使用说明书 总则 GB 12978 消防电子产品检验规则 GB 15322.1—2019 可燃气体探测器 第1部分：工业及商业用途点型可燃气体探测器 GB/T 16838 消防电子产品 环境试验方法及严酷等级 GB/T 17626.2—2018 电磁兼容 试验和测量技术 静电放电抗扰度试验 GB/T 17626.3—2016 电磁兼容 试验和测量技术 射频电磁场辐射抗扰度试验 3 分类 3.1 按测量范围分为： a) 测量范围在3%LEL~100%LEL 之间的探测器； b) 测量范围在3%LEL 以下的探测器(包括探测一氧化碳的探测器)； c) 测量范围在100%LEL 以上的探测器｡ 注：爆炸下限(LEL)为可燃气体或蒸气在空气中的最低爆炸浓度｡ 3.2 按工作方式分为： a) 连续工作型探测器； b) 单次测量型探测器｡ 4 要求 4.1 总则 探测器应满足第4章的相关要求，并按第5 章的规定进行试验，以确认探测器对第4 章要求的符合性｡ 4.2 外观要求 4.2.1 探测器应具备产品出厂时的完整包装，包装中应包含质量检验合格标志和使用说明书｡ 4.2.2 探测器表面应无腐蚀、涂覆层脱落和起泡现象，无明显划伤、裂痕、毛刺等机械损伤，紧固部位无松动｡ 4.3 性能 4.3.1 一般要求 4.3.1.1 探测器应采用电池供电｡采用可更换电池的探测器应具有防止极性反接的电池安装结构｡ 4.3.1.2 探测器应具有工作状态指示灯，指示其正常监视、故障、报警工作状态｡正常监视状态指示应为绿色，故障状态指示应为黄色，报警状态指示应为红色，低限和高限报警状态指示应能明确区分｡指示灯应有中文功能注释｡在5lx~500lx光照条件下、正前方1m 处，指示灯的状态应清晰可见｡ 注：正常监视状态指探测器接通电源正常工作，且未发出报警信号或故障信号时的状态｡ 4.3.1.3 在额定工作电压条件下，探测器报警声信号在其正前方1 m 处的最大声压级(A 计权)应不小于70dB，不大于115dB｡ 4.3.1.4 探测器在被监测区域内的可燃气体浓度达到报警设定值时，应能发出报警声、光信号｡再将探测器置于正常环境下中，30s内应能自动(或手动)恢复到正常监视状态｡ 4.3.1.5 探测器应具有浓度显示功能｡在5lx~500lx光照条件下、正前方0.5 m 处，显示信息应清晰可见｡当被监测区域内的可燃气体浓度超过其量程时，探测器应具有明确的超量程指示｡ 4.3.1.6 探测器的量程和报警设定值规定如下： a) 测量范围在3%LEL~100%LEL 之间的探测器，其低限报警设定值应在5%LEL~25%LEL 范围，如具有高限报警设定值，应为50%LEL｡低限报警设定值如可调，其低限报警设定值应在5%LEL~25%LEL 范围内可调｡ b) 探测一氧化碳的探测器，其低限报警设定值应在150×10-6(体积分数)~300×10-6(体积分数)范围，如具有高限报警设定值，应为500×10-6(体积分数)｡低限报警设定值如可调，其低限报警设定值应在150×10-6(体积分数)~300×10-6(体积分数)范围内可调｡ c) 测量范围在3%LEL 以下的探测器和测量范围在100%LEL 以上的探测器应由制造商规定其量程和报警设定值｡ d) 探测器使用说明书中应注明量程和报警设定值等参数｡ 4.3.1.7 探测器采用插拔结构气体传感器时，应具有结构性的防脱落措施｡气体传感器发生脱落时，探测器应能在30s内发出有明显区别的故障声、光信号｡ 4.3.1.8 探测器应具有声光部件手动自检功能｡ 4.3.1.9 探测器应在使用说明书中注明气体传感器的使用期限｡ 4.3.1.10 探测器应采用满足GB 3836.1—2010要求的防爆型式｡ 4.3.1.11 探测器的型号编制应符合GB 15322.1—2019中附录A 的规定｡ 4.3.1.12 探测器的使用说明书应满足GB/T 9969的相关要求｡ 4.3.2 报警动作值 4.3.2.1 在本部分规定的试验项目中，测量范围在3%LEL~100%LEL 之间的探测器的报警动作值不应低于5%LEL｡探测一氧化碳的探测器，其报警动作值不应低于50×10-6(体积分数)｡ 4.3.2.2 探测器的报警动作值与报警设定值之差规定如下： a) 测量范围在3%LEL~100%LEL 之间的探测器，其报警动作值与报警设定值之差的绝对值不应大于3%LEL； b) 测量范围在3%LEL 以下的探测器，其报警动作值与报警设定值之差的绝对值不应大于3%量程和50×10-6(体积分数)之中的较大值｡探测一氧化碳的探测器，其报警动作值与报警设定值之差的绝对值不应大于50×10-6(体积分数)； c) 测量范围在100%LEL 以上的探测器，其报警动作值与报警设定值之差的绝对值不应大于3%量程｡ 4.3.3 量程指示偏差 在探测器量程内选取若干试验点作为基准值，使被监测区域内的可燃气体浓度分别达到对应的基准值｡探测器的显示值与基准值之差规定如下： a) 测量范围在3%LEL~100%LEL 之间的探测器，其试验点上的可燃气体浓度显示值与基准值之差的绝对值不应大于5%LEL｡ b) 测量范围在3%LEL 以下的探测器，其试验点上的可燃气体浓度显示值与基准值之差的绝对值不应大于5%量程和80×10-6(体积分数)之中的较大值｡探测一氧化碳的探测器，其浓度显示值与基准值之差的绝对值不应大于80×10-6(体积分数)｡ c) 测量范围在100%LEL 以上的探测器，其试验点上的可燃气体浓度显示值与基准值之差的绝对值不应大于5%量程｡ 4.3.4 响应时间 向探测器通入流量为500mL/min，浓度为满量程的60%的试验气体，保持60s，记录探测器的显示值作为基准值｡显示值达到基准值的90%所需的时间为探测器的响应时间｡探测一氧化碳的探测器，其响应时间不应大于60s，其他气体探测器的响应时间不应大于30s｡ 4.3.5 方位 探测器正面板在水平面内顺时针旋转，每次旋转45°，分别测量探测器的报警动作值，报警动作值应满足4.3.2.2的要求｡ 4.3.6 报警重复性 对同一只探测器重复测量报警动作值6次，其报警动作值应满足4.3.2.2的要求｡ 4.3.7 高速气流 4.3.7.1 在试验气流速率为6m/s±0.2m/s的条件下，测量探测器的报警动作值｡ 4.3.7.2 探测器的报警动作值与报警设定值之差规定如下： a) 测量范围在3%LEL~100%LEL 之间的探测器，其报警动作值与报警设定值之差的绝对值不应大于5%LEL｡ b) 测量范围在3%LEL 以下的探测器，其报警动作值与报警设定值之差的绝对值不应大于5%量程和80×10-6(体积分数)之中的较大值｡探测一氧化碳的探测器，其报警动作值与报警设定值之差的绝对值不应大于80×10-6(体积分数)｡ c) 测量范围在100%LEL 以上的探测器，其报警动作值与报警设定值之差的绝对值不应大于5%量程｡ 4.3.8 电池容量 4.3.8.1 在电池电量低时，探测器应能发出与报警信号有明显区别的声、光指示信号｡在指示电池电量低之前，连续工作型探测器的电池容量应能保证其正常工作不少于8h，单次测量型探测器的电池容量应能保证其完整工作不少于200次｡ 4.3.8.2 在指示电池电量低时，使连续工作型探测器再工作15 min，单次测量型探测器再完整工作10次后，测量探测器的报警动作值，其报警动作值应满足4.3.7.2的要求｡ 注：单次测量型探测器完整工作1次是指探测器开机后进入待机状态，接到手动发出的探测指令后，完成气体探测、浓度显示和报警指示，然后返回待机状态的过程｡ 4.3.9 电磁兼容性能 探测器应能耐受表1所规定的电磁干扰条件下的各项试验，试验期间，探测器不应发出报警信号或故障信号｡试验后，探测器的报警动作值应满足4.3.7.2的要求｡ 表1 电磁兼容试验参数 试验名称 试验参数 试验条件 工作状态 静电放电 抗扰度试验 放电电压 kV 空气放电(绝缘体外壳)：8 接触放电(导体外壳和耦合板)：6 正常监视状态 放电极性 正、负 放电间隔 s ≥1 每点放电次数 10 射频电磁场辐射 抗扰度试验 场强 V/m 10 正常监视状态 频率范围 MHz 80~1000 扫描速率 10oct/s ≤1.5×10-3 调制幅度 80%(1kHz，正弦) 4.3.10 气候环境耐受性 探测器应能耐受表2所规定的气候环境条件下的各项试验，试验期间，探测器不应发出报警信号或故障信号｡试验后，探测器的报警动作值与报警设定值之差规定如下： a) 测量范围在3%LEL~100%LEL 之间的探测器，其报警动作值与报警设定值之差的绝对值不应大于7%LEL｡ b) 测量范围在3%LEL 以下的探测器，其报警动作值与报警设定值之差的绝对值不应大于7%量程和120×10-6(体积分数)之中的较大值｡探测一氧化碳的探测器，其报警动作值与报警 设定值之差的绝对值不应大于120×10-6(体积分数)｡ c) 测量范围在100%LEL 以上的探测器，其报警动作值与报警设定值之差的绝对值不应大于7%量程｡ 表2 气候环境试验参数 试验名称 试验参数 试验条件 工作状态 高温(运行)试验 温度 ℃ 55±2 正常监视状态 持续时间 h 2 低温(运行)试验 温度 ℃ -25±2 正常监视状态 持续时间 h 2 恒定湿热 (运行)试验 温度 ℃ 40±2 正常监视状态 相对湿度 93%±3% 持续时间 h 2 4.3.11 机械环境耐受性 探测器应能耐受表3所规定的机械环境条件下的各项试验，运行试验期间，探测器不应发出报警信号或故障信号｡试验后，探测器不应有机械损伤和紧固部位松动，其报警动作值应满足4.3.7.2的要求｡