標(biāo)準(zhǔn)編號(hào):	GB/T 14295-2019
中文名稱:	空氣過(guò)濾器
英文名稱:	Air filter
中標(biāo)分類:	P48    通風(fēng)、空調(diào)工程
行業(yè)分類:	GB    國(guó)家標(biāo)準(zhǔn)
ICS分類:	91.140.30 91.140.30    通風(fēng)和空調(diào)系統(tǒng) 91.140.30
發(fā)布機(jī)構(gòu):	國(guó)家市場(chǎng)監(jiān)督管理總局 國(guó)家標(biāo)準(zhǔn)化管理委員會(huì)
發(fā)布日期:	2019-06-04
實(shí)施日期:	2020-5-1
標(biāo)準(zhǔn)狀態(tài):	valid
替代舊標(biāo)準(zhǔn):	GB/T 14295-2008 空氣過(guò)濾器
翻譯語(yǔ)言:	英文
文件格式:	PDF
中文字符數(shù):	25000 字
翻譯價(jià)格(元):	1500.0
交付時(shí)間:	付款后 1 個(gè)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. SAC/TC 143 is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This standard is developed in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 14295-2008 Air filters, and the following main technical changes have been made with respect to GB/T 14295-2008: ——Product classification and designation methods are modified; ——The requirements and test methods for the cleaning efficiency for PMx efficiency are added; ——The requirements and test methods for rated power and working voltage of electric air filter are added; ——The requirements for the ozone concentration increment limit of electric air filter are modified; ——The requirements for test instruments are added; ——The requirements for the performance of test devices for air filter are added; ——The test method for electrostatic elimination of air filter is added; ——The requirements for standard test dust for dust holding capacity test of air filter are modified and the dust holding capacity limit is added. This standard was proposed by the Ministry of Housing and Urban-Rural Development of the People's Republic of China. This standard is under the jurisdiction of the National Technical Committee on HVAC and Purification Equipment of Standardization Administration of China (SAC/TC 143). The previous editions of this standard are as follows: ——GB/T 14295-1993 and GB/T 14295-2008. Air filter 1 Scope This standard specifies terms and definitions, classification and designation, general requirements, requirements, test methods, inspection rules as well as marking, packaging, transportation and storage of air filters. This standard is applicable to air filters for ventilation, air conditioning and air purification systems or equipment. This standard is not applicable to high-efficiency air filters or superior ones. 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 normative document (including any amendments) applies. GB/T 191 Packaging - Pictorial marking for handling of goods GB/T 1019 General requirements for the package of household and similar electrical appliances GB/T 1236 Industrial fans - Performance testing using standardized airways GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection GB 4706.1 Household and similar electrical appliances - Safety- Part 1: General Requirements GB 8624 Classification for burning behavior of building materials and products GB/T 18204.2 Examination methods for public places - Part 2: Chemical pollutants GB 50243 Code of acceptance for construction quality of ventilation and air conditioning works JG/T 404 Air filter media 3 Terms and definitions For the purpose of this standard, the following terms and definitions apply. 3.1 air filter the equipment for removing particulate matters (PMs) in the air by filtration, adhesion, charge trapping, etc. 3.2 electric air filter a type of air filter for removing the PMs in the air by using dust collection plate to trap the PMs which have been charged by applying high-voltage electrostatic field 3.3 rated air flow the volume flow of air passing through the air filter in nominal unit time under standard air condition 3.4 face velocity the ratio of the volume flow rate of air passing through the air filter vertically to the area of the section for ventilation 3.5 initial resistance the static pressure loss of air filter operating at rated air flow in initial state 3.6 final resistance a specified static pressure loss value reached by the air filter after increasing due to collection of standard test dust at rated air flow 3.7 particle size geometrical diameter of PMs measured by optical or aerodynamic equivalent methods 3.8 efficiency the capacity of air filter for removing PMs in the circulating air at rated air flow, i.e. the ratio of the concentration difference between PMs at the upwind side and downwind side to the concentration of PMs at the upwind side 3.9 counting efficiency the efficiency of the air filter to remove PMs with particular optical particle size or particle size range in the circulating air at rated air flow 3.10 arrestance efficiency the efficiency of air filter to remove the standard test dust in circulating air at rated air flow in mass 3.11 cleaning efficiency for PMx the efficiency of air filter to remove the PMs with aerodynamic equivalent particle size less than or equal to x μm in the circulating air at rated air flow in mass 3.12 dust holding capacity the total mass of standard test dust collected where the air filter reaches final resistance at rated air flow 3.13 rated power the input power of electric air filter working at rated air flow in initial state 3.14 working voltage the ionization voltage and the dust collection voltage of the electric air filter during working in the initial state 4 Classification and designation 4.1 Classification 4.1.1 According to the efficiency level, air filters can be classified into low efficiency filter, medium efficiency filter, high-medium efficiency filter and sub-high efficiency filter, coded as C, Z, GZ and YG respectively. Among them, the low efficiency filters can be classified into low efficiency 1 ones, low efficiency 2 ones, low efficiency 3 ones and low efficiency 4 ones, coded as C1, C2, C3 and C4 respectively. The medium efficiency filters can be classified into medium efficiency 1 ones, medium efficiency 2 ones and medium efficiency 3 ones, coded as Z1, Z2 and Z3 respectively. 4.1.2 According to the structure type, air filters can be classified into flat-plate type, bag type, pleated type, moving curtain type, cartridge type, pole plate type and honeycomb type, coded as PB, DS, ZZ, JR, TS, JB and FC respectively. 4.2 Designation Example 1: An air filter of medium efficiency 2, bag type, with overall dimension of 592 mm×592 mm×600 mm and rated air flow of 3,400 m3/h, designated as K-Z2-DS-592×592×600-3400. Example 2: An air filter of low efficiency 3, flat-plate type, with overall dimension of 610 mm×610 mm×80 mm and rated air flow of 2,000 m3/h, designated as K-C3-PB-610×610×80-2000. Note: The representation principle for overall dimension of filters: with air flow direction as the depth, and the vertical length and the horizontal length of the section perpendicular to the air flow direction as height and width respectively. 5 General requirements 5.1 The application of air filters shall meet the environmental protection and fire resistance requirements of the site. 5.2 Electric air filters shall meet the following requirements: a) Single-phase rated voltage shall not be greater than 250 V, three-phase rated voltage shall not be greater than 480 V and the rated frequency shall be 50 Hz; b) Power-off protection shall be arranged to ensure automatic power-off of internal devices during repair or maintenance after opening unit structure; c) The electrical safety performance shall meet the relevant requirements of GB 4706.1. 5.3 Air filter media shall meet the relevant requirements of JG/T 404. 5.4 The shear strength and tensile strength of binders for air filter shall not be less than those of the media; and the temperature resistance of binders shall be the same as that of the media. 5.5 The sealant for air filters shall be able to ensure that the filters are free from crack and degumming with elasticity during operation at maximum operating air flow or final resistance, and the temperature resistance and humidity resistance of the sealant shall be the same as those of the media.

Foreword I 1 Scope 2 Normative references 3 Terms and definitions 4 Classification and designation 5 General requirements 6 Requirements 7 Test methods 8 Inspection rules 9 Marking, packaging, transportation and storage Annex A (Normative) Test methods for resistance, counting efficiency and cleaning efficiency for PMx of air filter Annex B (Normative) Test methods for arrestance efficiency and dust holding capacity of air filter Annex C (Normative) Test method for electrostatic elimination of air filter Annex D (Normative) Test method for ozone concentration increment of electric air filter

空氣過(guò)濾器 1 范圍 本標(biāo)準(zhǔn)規(guī)定了空氣過(guò)濾器的術(shù)語(yǔ)和定義、分類與標(biāo)記、一般要求、要求、試驗(yàn)方法、檢驗(yàn)規(guī)則、標(biāo)志、包裝、運(yùn)輸和貯存。 本標(biāo)準(zhǔn)適用于通風(fēng)、空氣調(diào)節(jié)和空氣凈化系統(tǒng)或設(shè)備用空氣過(guò)濾器。 本標(biāo)準(zhǔn)不適用于高效及以上級(jí)別的空氣過(guò)濾器。 2 規(guī)范性引用文件 下列文件對(duì)于本文件的應(yīng)用是必不可少的。凡是注日期的引用文件，僅注日期的版本適用本文件。凡是不注日期的引用文件，其最新版本（包括所有的修改單）適用于本文件。 GB/T 191 包裝儲(chǔ)運(yùn)圖示標(biāo)志 GB/T 1019 家用和類似用途電器包裝通則 GB/T 1236工業(yè)通風(fēng)機(jī)用標(biāo)準(zhǔn)化風(fēng)道性能試驗(yàn) GB/T 2828.1 計(jì)數(shù)抽樣檢驗(yàn)程序 第1部分：按接收質(zhì)量限(AQL)檢索的逐批檢驗(yàn)抽樣計(jì)劃 GB 4706.1家用和類似用途電器的安全 第1部分：通用要求 GB 8624建筑材料及制品燃燒性能分級(jí) GB/T 18204.2公共場(chǎng)所衛(wèi)生檢驗(yàn)方法 第2部分：化學(xué)污染物 GB 50243 通風(fēng)與空調(diào)工程施工質(zhì)量驗(yàn)收規(guī)范 JG/T 404空氣過(guò)濾器用濾料 3 術(shù)語(yǔ)和定義 下列術(shù)語(yǔ)和定義適用于本文件。 3.1 空氣過(guò)濾器air filter 采用過(guò)濾、粘附或荷電捕集等方法去除空氣中顆粒物的設(shè)備。 3.2 靜電式空氣過(guò)濾器 electric air filter 采用高壓靜電場(chǎng)使顆粒物荷電之后，再被集塵板捕集的以實(shí)現(xiàn)去除空氣中顆粒物含量的空氣過(guò)濾器。 3.3 額定風(fēng)量 rated air flow 在標(biāo)準(zhǔn)空氣狀態(tài)下，空氣過(guò)濾器在標(biāo)稱的單位時(shí)間內(nèi)通過(guò)的空氣體積流量。 3.4 迎面風(fēng)速 face velocity 垂直通過(guò)空氣過(guò)濾器的空氣體積流量與其空氣流通截面面積之比。 3.5 初阻力initial resistance 在初始狀態(tài)下，空氣過(guò)濾器在額定風(fēng)量下的靜壓損失。 3.6 終阻力 final resistance 在額定風(fēng)量下，空氣過(guò)濾器由于捕集標(biāo)準(zhǔn)試驗(yàn)塵而使其靜壓損失上升并達(dá)到的規(guī)定值。 3.7 粒徑 particle size 采用光學(xué)或空氣動(dòng)力學(xué)等效方法測(cè)出的顆粒物幾何直徑。 3.8 效率efficiency 在額定風(fēng)量下，空氣過(guò)濾器去除流通空氣中顆粒物的能力，即空氣過(guò)濾器上、下風(fēng)側(cè)氣流中顆粒物濃度之差與上風(fēng)側(cè)氣流中顆粒物濃度之比。 3.9 計(jì)數(shù)效率counting efficiency 在額定風(fēng)量下，空氣過(guò)濾器去除流通空氣中特定光學(xué)粒徑或粒徑范圍的顆粒物數(shù)量的效率。 3.10 計(jì)重效率arrestance efficiency 在額定風(fēng)量下，空氣過(guò)濾器去除流通空氣中標(biāo)準(zhǔn)試驗(yàn)塵質(zhì)量的效率。 3.11 PMx凈化效率cleaning efficiency for PMx 在額定風(fēng)量下，空氣過(guò)濾器去除流通空氣中空氣動(dòng)力學(xué)當(dāng)量粒徑小于等于xμm的顆粒物質(zhì)量的效率。 3.12 容塵量 dust holding capacity 在額定風(fēng)量下，空氣過(guò)濾器達(dá)到終阻力時(shí)所捕集的標(biāo)準(zhǔn)試驗(yàn)塵總質(zhì)量。 3.13 額定功率rated power 在初始狀態(tài)下，靜電式空氣過(guò)濾器在額定風(fēng)量下工作時(shí)的輸入功率。 3.14 工作電壓 working voltage 在初始狀態(tài)下，靜電式空氣過(guò)濾器工作時(shí)的電離電壓和集塵電壓。 4 分類與標(biāo)記 4.1分類 4.1.1 按效率級(jí)別分為粗效過(guò)濾器、中效過(guò)濾器、高中效過(guò)濾器和亞高效過(guò)濾器，代號(hào)分別為C、Z、GZ和YG。其中粗效過(guò)濾器分為粗效1型、粗效2型、粗效3型和粗效4型，代號(hào)分別為C1、 C2、 C3和 C4；中效過(guò)濾器分為中效1型、中效2型和中效3型，代號(hào)分別為Z1、 Z2和 Z3。 4.1.2 按結(jié)構(gòu)類型分為平板式、袋式、折褶式、卷繞式、筒式、極板式和蜂巢式，代號(hào)分別為PB、DS、ZZ、JR、TS、JB和FC。 4.2標(biāo)記 示例1：中效2型、袋式、外形尺寸為592mm×592mm×600mm、額定風(fēng)量為3400m3/h的空氣過(guò)濾器，標(biāo)記為K-Z2-DS-592×592×600-3400。 示例2：粗效3型、平板式、外形尺寸為610mm×610mm×80mm、額定風(fēng)量為2000m3/h的空氣過(guò)濾器，標(biāo)記為K-C3-PB-610×610×80-2000。 注：空氣過(guò)濾器外形尺寸表示原則為：以氣流通過(guò)方向?yàn)樯疃龋詺饬魍ㄟ^(guò)方向垂直截面的豎直長(zhǎng)度為高度、水平長(zhǎng)度為寬度。 5 一般要求 5.1空氣過(guò)濾器的應(yīng)用應(yīng)滿足所用場(chǎng)合的環(huán)保及防火性要求。 5.2靜電式空氣過(guò)濾器應(yīng)符合以下規(guī)定： a) 單相額定電壓不應(yīng)大于250V，三相額定電壓不應(yīng)大于480V，額定頻率應(yīng)為50Hz； b) 應(yīng)設(shè)置斷電保護(hù)，保證在打開(kāi)機(jī)組結(jié)構(gòu)進(jìn)行維修或維護(hù)時(shí)，其內(nèi)部裝置自動(dòng)斷電； c) 電氣安全性能應(yīng)滿足GB 4706.1的相關(guān)要求； 5.3空氣過(guò)濾器用濾料應(yīng)滿足JG/T 404的相關(guān)要求。 5.4空氣過(guò)濾器用粘結(jié)劑的剪力強(qiáng)度和拉力強(qiáng)度不應(yīng)低于所用濾料強(qiáng)度，其耐溫耐濕性能應(yīng)與所用濾料相同。 5.5空氣過(guò)濾器用密封膠應(yīng)能保證過(guò)濾器在最大運(yùn)行風(fēng)量或終阻力條件下，運(yùn)行時(shí)不開(kāi)裂、不脫膠，且有彈性，其耐溫耐濕性能應(yīng)與所用濾料相同。 5.6空氣過(guò)濾器的結(jié)構(gòu)應(yīng)符合以下規(guī)定： a) 框架或支撐體應(yīng)有滿足要求的強(qiáng)度和剛度，應(yīng)能承受安裝、運(yùn)行和維修時(shí)所需重量和壓力； b) 邊框的四個(gè)角和拼接處不應(yīng)松動(dòng)和開(kāi)裂，濾料在邊框中不應(yīng)松動(dòng)和變形； c) 密封墊與邊框應(yīng)粘結(jié)牢固，密封墊的內(nèi)外邊緣不應(yīng)超過(guò)邊框的內(nèi)外邊緣。 6 要求 6.1外觀 6.1.1 空氣過(guò)濾器表面應(yīng)光潔平整，無(wú)劃痕、銹斑、壓痕和損傷。 6.1.2 濾料、密封墊、防護(hù)網(wǎng)等部件不應(yīng)變形。 6.1.3 靜電式空氣過(guò)濾器外殼應(yīng)標(biāo)明電氣安全警示及電氣端子接線圖。 6.2尺寸偏差 6.2.1外形尺寸 外形尺寸允許偏差見(jiàn)表1。 表1 外形尺寸允許偏差 單位為毫米 外形 類別 粗效過(guò)濾器 中效過(guò)濾器 高中效過(guò)濾器 亞高效過(guò)濾器 端面 ≤500 0 -1.6 >500 0 -3.2 深度 --- +1.6 0 每端面兩 對(duì)角線之差 ≤700 --- ≤2.3 >700 --- ≤4.5 6.2.2平面度 亞高效過(guò)濾器端面及側(cè)板平面度不應(yīng)大于1.6mm。 6.3阻力和效率 6.3.1 在初始狀態(tài)下，空氣過(guò)濾器阻力、計(jì)重效率和計(jì)數(shù)效率應(yīng)符合表2的規(guī)定。 表2 空氣過(guò)濾器額定風(fēng)量下的阻力和效率 效率級(jí)別 指標(biāo) 代號(hào) 迎面 風(fēng)速 m/s 額定風(fēng)量下 的效率（E） % 額定風(fēng)量下的初阻力（ΔPi） Pa 額定風(fēng)量下的終阻力（ΔPf） Pa 粗效1 C1 2.5 標(biāo)準(zhǔn)試驗(yàn)塵計(jì)重效率 50>E≥20 ≤50 200 粗效2 C2 E≥50 粗效3 C3 計(jì)數(shù)效率 （粒徑≥2.0μm） 50>E≥10 粗效4 C4 E≥50 中效1 Z1 2.0 計(jì)數(shù)效率 （粒徑≥0.5μm） 40>E≥20 ≤80 300 中效2 Z2 60>E≥40 中效3 Z3 70>E≥60 高中效 GZ 1.5 95>E≥70 ≤100 亞高效 YG 1.0 99.9>E≥95 ≤120 6.3.2對(duì)于標(biāo)稱PMx凈化效率的產(chǎn)品，其標(biāo)稱效率值與實(shí)測(cè)效率值之差不應(yīng)大于5%。 6.4容塵量 空氣過(guò)濾器應(yīng)標(biāo)稱容塵量指標(biāo)，其實(shí)測(cè)值不應(yīng)小于標(biāo)稱值的90%，且不宜小于36mg/（m3/h）。 6.5清洗 可清洗的空氣過(guò)濾器清洗后的效率不應(yīng)小于清洗前效率的85%，阻力不應(yīng)大于清洗前阻力的150%。 6.6消靜電 對(duì)于濾料荷電的空氣過(guò)濾器，應(yīng)標(biāo)稱消靜電處理后的效率，其標(biāo)稱效率值與實(shí)測(cè)效率值之差不應(yīng)大于5%。 6.7防火 當(dāng)空氣過(guò)濾器有防火要求時(shí)，應(yīng)符合GB 8624的相關(guān)規(guī)定。 6.8額定功率 對(duì)于標(biāo)稱值不大于30W的靜電式空氣過(guò)濾器，實(shí)測(cè)值不應(yīng)大于標(biāo)稱值的120%；對(duì)于標(biāo)稱值大于30W的靜電式空氣過(guò)濾器，實(shí)測(cè)值不應(yīng)大于標(biāo)稱值的110%。 6.9工作電壓 對(duì)于靜電式空氣過(guò)濾器的電離電壓和集塵電壓，實(shí)測(cè)值與標(biāo)稱值的偏差應(yīng)在±5%范圍內(nèi)。 6.10臭氧濃度增加量 在額定風(fēng)量、工作電壓下，靜電式空氣過(guò)濾器臭氧濃度增加量1h均值不應(yīng)大于0.05mg/m3。 6.11電氣安全 6.11.1電氣強(qiáng)度 靜電式空氣過(guò)濾器施加試驗(yàn)電壓后，應(yīng)無(wú)擊穿或閃絡(luò)。 6.11.2泄漏電流 靜電式空氣過(guò)濾器外露金屬部分和電源線間的冷態(tài)泄漏電流值不應(yīng)大于0.75mA（Ⅰ類）或0.25 mA（Ⅱ類）。 6.11.3接地電阻 靜電式空氣過(guò)濾器外露金屬部分與接地端之間的電阻值不應(yīng)大于0.1Ω。 7 試驗(yàn)方法 7.1試驗(yàn)儀表 試驗(yàn)儀表應(yīng)符合表3的規(guī)定。 表3 試驗(yàn)儀表 測(cè)量參數(shù) 測(cè)量?jī)x表 測(cè)量項(xiàng)目 儀表性能要求 外形尺寸 游標(biāo)卡尺 端面、深度、對(duì)角線長(zhǎng)度 分度值：0.1mm 平面度 塞尺 端面及側(cè)板平面度 平板精度：2級(jí)； 塞尺厚度范圍：0.02 mm ~0.50mm 風(fēng)量 空氣流量計(jì) 試驗(yàn)風(fēng)量 準(zhǔn)確度：±3%讀數(shù)值 風(fēng)速 風(fēng)速儀 試驗(yàn)風(fēng)速 準(zhǔn)確度：±3%讀數(shù)值， 分度值：0.01m/s 阻力 壓力計(jì) 初阻力和終阻力 0 Pa～70 Pa時(shí)，準(zhǔn)確度：±2 Pa； >70 Pa時(shí)，準(zhǔn)確度：±3%讀數(shù)值 計(jì)數(shù)效率 粒子計(jì)數(shù)器 計(jì)數(shù)濃度 粒子濃度示值誤差不超過(guò)±30% PMx凈化 效率 粉塵儀 PMx質(zhì)量濃度 示值誤差不超過(guò)±20%， 示值重復(fù)性不應(yīng)大于±10% 容塵量、計(jì)重效率 電子天平 空氣過(guò)濾器和末端過(guò)濾器發(fā)塵前后的質(zhì)量、標(biāo)準(zhǔn)試驗(yàn)塵的質(zhì)量 分度值：0.1g 電氣強(qiáng)度 電安測(cè)試儀 靜電式空氣過(guò)濾器絕緣電阻、電氣強(qiáng)度、泄漏電流和接地電阻 接地電阻準(zhǔn)確度：±3%讀數(shù)值； 泄漏電流準(zhǔn)確度：±(3%讀數(shù)值+50μA)； 交流耐壓準(zhǔn)確度：電壓指標(biāo)±(3%讀數(shù)值+10V)，電流指標(biāo)±(3%讀數(shù)值+30μA) 泄漏電流 接地電阻 工作電壓 萬(wàn)用表 （帶高壓測(cè)試棒） 靜電式空氣過(guò)濾器的電離電壓和集塵電壓 準(zhǔn)確度：±2%讀數(shù)值 功率 功率計(jì) 靜電式空氣過(guò)濾器的額定功率 精度：0.5級(jí) 臭氧濃度增加量 臭氧分析儀 臭氧濃度 準(zhǔn)確度：±4%讀值 分光光度計(jì) 具有610nm波長(zhǎng)和2cm比色皿 溫度 溫濕度計(jì) 試驗(yàn)風(fēng)道中的空氣溫度和相對(duì)濕度 準(zhǔn)確度：±0.3℃ 相對(duì)濕度 準(zhǔn)確度：±5% 大氣壓 大氣壓表 大氣壓 準(zhǔn)確度：±2hPa 7.2外觀 應(yīng)用目測(cè)法檢查。 7.3尺寸偏差 7.3.1外形尺寸 應(yīng)用游標(biāo)卡尺檢查。 7.3.2平面度 應(yīng)用平板和塞尺檢查。 7.4阻力和效率 阻力、計(jì)數(shù)效率和PMx凈化效率應(yīng)按附錄A規(guī)定的方法進(jìn)行試驗(yàn)，計(jì)重效率應(yīng)按附錄B規(guī)定的方法進(jìn)行試驗(yàn)。 7.5容塵量 容塵量應(yīng)按附錄B規(guī)定的方法進(jìn)行試驗(yàn)。 7.6清洗 清洗應(yīng)按制造廠給出的清洗方法進(jìn)行，清洗后的效率和阻力應(yīng)按附錄A或附錄B規(guī)定的方法進(jìn)行試驗(yàn)。 7.7消靜電 消靜電應(yīng)按附錄C規(guī)定的方法進(jìn)行試驗(yàn)，消靜電后的效率和阻力應(yīng)按附錄A規(guī)定的方法進(jìn)行試驗(yàn)。 7.8防火 有防火要求的空氣過(guò)濾器，應(yīng)按GB 8624規(guī)定的方法進(jìn)行防火試驗(yàn)。 7.9額定功率 靜電式空氣過(guò)濾器額定功率應(yīng)按GB 4706.1規(guī)定的方法進(jìn)行試驗(yàn)。 7.10工作電壓 靜電式空氣過(guò)濾器的工作電壓應(yīng)按GB 4706.1規(guī)定的方法進(jìn)行試驗(yàn)。 7.11臭氧濃度增加量 臭氧濃度增加量應(yīng)按附錄D規(guī)定的方法進(jìn)行試驗(yàn)。 7.12電氣安全 7.12.1電氣強(qiáng)度 電氣強(qiáng)度應(yīng)按GB 4706.1規(guī)定的方法進(jìn)行試驗(yàn)。 7.12.2泄漏電流 泄漏電流應(yīng)按GB 4706.1規(guī)定的方法進(jìn)行試驗(yàn)。 7.12.3接地電阻 接地電阻應(yīng)按GB 4706.1規(guī)定的方法進(jìn)行試驗(yàn)。 8檢驗(yàn)規(guī)則 8.1檢驗(yàn)分類 空氣過(guò)濾器的檢驗(yàn)分為出廠檢驗(yàn)和型式檢驗(yàn)。 8.2出廠檢驗(yàn) 8.2.1空氣過(guò)濾器應(yīng)經(jīng)制造廠質(zhì)量檢驗(yàn)部門檢驗(yàn)合格后方可出廠。 8.2.2出廠檢驗(yàn)應(yīng)按表4的規(guī)定逐項(xiàng)進(jìn)行。