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中華人民共和國(guó)國(guó)家計(jì)量檢定規(guī)程JJG693-2004可燃?xì)怏w檢測(cè)報(bào)警器TheAlarmerDetectorsofCombustibleGas2004一03一02發(fā)布2004一09一02實(shí)施國(guó)家 質(zhì) 量 監(jiān) 督 檢 驗(yàn) 檢 疫 總 局 發(fā)布JJG693-2004 可燃?xì)怏w檢測(cè)報(bào)警器檢定規(guī)程 產(chǎn) ‘為口.口.、，.O.”‘、，。.O.。，0一，.O.O.JJG693-2004VerificationRegulationof代替 JJG693-1990己會(huì)theAlarmerDetectorsofCombustibleGas氣.口，0.o.o.o.o.o.。 。‘.公，。.o.o.o.口本規(guī)程經(jīng)國(guó)家質(zhì)量監(jiān)督檢驗(yàn)檢疫總局于2004年03月02日批準(zhǔn)，并 自 2004年 09月02日起施行。歸口單位 : 全國(guó)環(huán)境化學(xué)計(jì)量技術(shù)委員會(huì)起草單位 : 國(guó)家標(biāo)準(zhǔn)物質(zhì)研究中心本規(guī)程委托全國(guó)環(huán)境化學(xué)計(jì)量技術(shù)委員會(huì)負(fù)責(zé)解釋.TJG 693- 2004 本規(guī)程主要起草人 :湛永華 (國(guó)家標(biāo)準(zhǔn)物質(zhì)研究中心)參加起草人 :周澤義 (國(guó)家標(biāo)準(zhǔn)物質(zhì)研究中心)張國(guó)賢(國(guó)家標(biāo)準(zhǔn)物質(zhì)研究中心)JJG693-2004目錄 1 范圍··························································································…… (1) 2 概述 ···················，，······(1) 3計(jì)量性能要求 ·············································································…… (1) 4 通用技術(shù)要求 ········‘二·········，··········可燃?xì)怏w檢測(cè)報(bào)警儀，·········，····】····，·······，····】····…… (1) 4.1外觀及通電檢查 ······················································，··········，·····一· (1) 4.2 絕緣電阻 ·····，·········，·································································…… (2) 5計(jì)量器具控制 ·········································，·········，·························一 (2) 5.1檢定條件 ·············，·········································，····················voc氣體檢測(cè)儀，···…·… (2) 5.2檢定項(xiàng)目·····，········，·································，，·······，，·········可燃?xì)怏w檢測(cè)報(bào)警儀，····…… (2) 5.3 檢定方法 ·················································································…… (3) 5.4 檢定結(jié)果的處理 ··················，·，，·····，·····，··，，········，】·········。

·… (4) 5.5檢定周期 ··············································································…·… (4) 附錄A 流量要求 ··························································，········，，····…… (5) 附錄B 標(biāo)準(zhǔn)物質(zhì)的量值溯源要求 ····················································…… (6) 附錄C 檢定證書(shū) (背面)格式 ·········································乙醇報(bào)警器，···············一· (7) 附錄D 檢定結(jié)果通知書(shū) (背面)格式 ····················，·可燃?xì)怏w檢測(cè)報(bào)警儀，·················，······一· (8) 附錄E檢定記錄格式 ··，··································································……(9) 附錄F 常見(jiàn)可燃?xì)怏w爆炸限 ···············，·······，····················，·，···(10)JJG 693- 2004可燃?xì)怏w檢測(cè)報(bào)警器檢定規(guī)程 1 范圍本規(guī)程適用于非礦井作業(yè)環(huán)境中使用的便攜式和固定式可燃?xì)怏w檢測(cè)報(bào)警器 (以下 簡(jiǎn)稱(chēng) “儀器”)的首次檢定、后續(xù)檢定和使用中的檢驗(yàn)。

其他結(jié)構(gòu)或用途的儀器可參照 本規(guī)程進(jìn)行校準(zhǔn)。 2 概述儀器的檢測(cè)原理主要有催化燃燒型、熱導(dǎo)型、半導(dǎo)體型和紅外線(xiàn)吸收型等。采樣方 式有擴(kuò)散式和吸人式。主要結(jié)構(gòu)由檢測(cè)元件、放大電路、報(bào)警系統(tǒng)、顯示器等組成。用 于監(jiān)測(cè)和報(bào)警該環(huán)境中可燃?xì)怏w的濃度。 3 計(jì)t性能要求計(jì)量性能要求見(jiàn)表表 1 計(jì)f性能要求示值誤差土5% FS'響應(yīng)時(shí)間擴(kuò)散 式60s吸入式30s重 復(fù)性2%報(bào)警誤差士10%漂移零點(diǎn)漂移土2量程漂移士5%FS 注:..FS”表示儀器的滿(mǎn)量程，下同。 4 通用技術(shù)要求 4.1外觀及通電檢查 4.1.1外觀良好，結(jié)構(gòu)完整，儀器名稱(chēng)、型號(hào)、制造廠名稱(chēng)、出廠時(shí)間、編號(hào)、防爆 標(biāo)志和制造計(jì)量器具許可證及編號(hào)等應(yīng)齊全、清楚。 4.1.2 儀器連接可靠，各旋鈕或按鍵應(yīng)能正常操作和控制。 4.1.3 儀器通電檢查時(shí)，外露的可動(dòng)部件應(yīng)能正常工作，顯示部分應(yīng)清晰、正確。 4.1.4 附件齊全，并附有制造廠的使用說(shuō)明書(shū)。.T.TG 693- 2004 4.2 絕緣電阻對(duì)使用交流電源的儀器，相、中連線(xiàn)對(duì)地的絕緣電阻應(yīng)不小于20Mna 5 計(jì)量器具控制儀器的控制包括首次檢定、后續(xù)檢定和使用中的檢驗(yàn)。 5.1檢定條件 5.1.1 檢定環(huán)境條件環(huán)境溫度:(0一40)T;相對(duì)濕度:

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