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1、i中華人民共和國機(jī)械行業(yè)標(biāo)準(zhǔn)JB/T6220-2004代替JB/f6220-1992射線探傷用密度計(jì)Thedensimeterforradiography2004-06-17發(fā)布2004-11-01實(shí)施中華人民共和國國家發(fā)展和改革委員會(huì)發(fā)布JB門6220-2004目次91舀.??..-..-....-.-.-..........價(jià).-..??‘....一‘，.，...??，......價(jià)............?t.1范圍.?t..二，..?‘......??價(jià).，二『.‘二‘二，-................................‘二t..?2規(guī)
2、范性引用文件..二‘...?‘.‘.??，，.······..，.·..‘.·.··········t···一··，··t??3產(chǎn)品型號(hào)、命名.?t.-...-..........一‘.......·.·.···..·..··.···..t.‘...··??4要求.t..??t.t..t............-??，.?‘二‘...................??.tt..?‘..4.1環(huán)境條件.......................................一，····.一，···········??4.2使用性能.........二t...
3、，‘.....一，..?、··.··.·、、、、、、、、、、、，，···‘··?4.3安全要求..??‘.....?‘......??，，..?“......-..一價(jià)，....·.·t·??4.4外觀質(zhì)量......??t............一，-........-.............一，...·....··??4.5而寧運(yùn)輸顛簸性能?t.?‘.t.......·??，···········.·.·.······‘············一5試驗(yàn)方法..‘?t.t....................-.-.....-...............
4、.??‘??‘....5.1電源電壓波動(dòng)時(shí)正常工作試驗(yàn)‘..一、..····.········‘?！ぁぁぁぁぁぁぁぁぁぁ??52外觀質(zhì)量檢查...二t.二‘..，.??‘..····.··.·.···‘··.·.·..···‘·t·?！ぁぁぁぁぁぁひ唬?幾3密度值顯示準(zhǔn)確度試驗(yàn)············一，··············‘·??···??““”‘‘‘‘一，5.4測量底片面積試驗(yàn)................‘.??氣········，·················tt···二﹄，5.5測量密度范圍試驗(yàn).....-.·.··.·····.。···
5、.·..‘.·.············一··‘﹄勺5.6測量誤差試驗(yàn).........‘.........·.·.·??，··.··..···t.················t·t‘，5.7測量重復(fù)性試驗(yàn)...................一價(jià)········.·.···ttt‘、········‘，5.8連續(xù)工作試驗(yàn).....二，..?，...一，..............··..····..····‘··..·.·.t·??︸，5.9測量頭光孔直徑檢查試驗(yàn)··············，······??’?‘.‘一“一t“’J氣5.10密度計(jì)絕緣電阻
6、試驗(yàn)，.，..??價(jià)········‘··············t·····??一‘”‘‘勺5.11絕緣強(qiáng)度試驗(yàn).......一，....一，一，，...·····.·..··.·····.······‘·‘·······‘，5.12運(yùn)輸、運(yùn)輸貯存環(huán)境條件試驗(yàn)....一t.，.....·‘··‘··.···········??一6檢驗(yàn)規(guī)則二‘.....-?，??價(jià)一，，??‘..............-..?，·.二，二，·??6.1出廠檢驗(yàn).................................-............-....·??‘·.·.
7、.一6.2出廠檢驗(yàn)項(xiàng)目.‘.........-.??‘.-.-..........······??“····.·······??6.3型式檢驗(yàn)，.........一，二，........??，..??，.-...······.··??6.4型式檢驗(yàn)項(xiàng)目......-................-.........‘······.‘·············??6.5抽樣與組批規(guī)則.......-..........··········‘··‘··············一6.6判定規(guī)則...........?，?價(jià)??‘.，...···.·.···.··?”
8、······.···??
