JBT6220-2004射线探伤用密度计

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1、i中华人民共和国机械行业标准JB/T6220-2004代替JB/f6220-1992射线探伤用密度计Thedensimeterforradiography2004-06-17发布2004-11-01实施中华人民共和国国家发展和改革委员会发布JB门6220-2004目次91舀.⋯⋯..-..-....-.-.-..........价.-..⋯⋯‘....一‘，.，...⋯⋯，......价............⋯t.1范围.⋯t..二，..⋯‘......⋯⋯价.，二『.‘二‘二，-................................‘二t..⋯2规

2、范性引用文件..二‘...⋯‘.‘.⋯⋯，，.······..，.·..‘.·.··········t···一··，··t⋯⋯3产品型号、命名.⋯t.-...-..........一‘.......·.·.···..·..··.···..t.‘...··⋯⋯4要求.t..⋯⋯t.t..t............-⋯⋯，.⋯‘二‘...................⋯⋯.tt..⋯‘..4.1环境条件.......................................一，····.一，···········⋯⋯4.2使用性能.........二t...

3、，‘.....一，..⋯、··.··.·、、、、、、、、、、、，，···‘··⋯4.3安全要求..⋯⋯‘.....⋯‘......⋯⋯，，..⋯“......-..一价，....·.·t·⋯⋯4.4外观质量......⋯⋯t............一，-........-.............一，...·....··⋯⋯4.5而宁运输颠簸性能⋯t.⋯‘.t.......·⋯⋯，···········.·.·.······‘············一5试验方法..‘⋯t.t....................-.-.....-...............

4、.⋯⋯‘⋯⋯‘....5.1电源电压波动时正常工作试验‘..一、..····.········‘。···········⋯⋯52外观质量检查...二t.二‘..，.⋯⋯‘..····.··.·.···‘··.·.·..···‘·t·。·······一，5几3密度值显示准确度试验············一，··············‘·⋯⋯···⋯⋯““”‘‘‘‘一，5.4测量底片面积试验................‘.⋯⋯气········，·················tt···二﹄，5.5测量密度范围试验.....-.·.··.·····.。···

5、.·..‘.·.············一··‘﹄勺5.6测量误差试验.........‘.........·.·.·⋯⋯，··.··..···t.················t·t‘，5.7测量重复性试验...................一价········.·.···ttt‘、········‘，5.8连续工作试验.....二，..⋯，...一，..............··..····..····‘··..·.·.t·⋯⋯︸，5.9测量头光孔直径检查试验··············，······⋯⋯’⋯‘.‘一“一t“’J气5.10密度计绝缘电阻

6、试验，.，..⋯⋯价········‘··············t·····⋯⋯一‘”‘‘勺5.11绝缘强度试验.......一，....一，一，，...·····.·..··.·····.······‘·‘·······‘，5.12运输、运输贮存环境条件试验....一t.，.....·‘··‘··.···········⋯⋯一6检验规则二‘.....-⋯，⋯⋯价一，，⋯⋯‘..............-..⋯，·.二，二，·⋯⋯6.1出厂检验.................................-............-....·⋯⋯‘·.·.

7、.一6.2出厂检验项目.‘.........-.⋯⋯‘.-.-..........······⋯⋯“····.·······⋯⋯6.3型式检验，.........一，二，........⋯⋯，..⋯⋯，.-...······.··⋯⋯6.4型式检验项目......-................-.........‘······.‘·············⋯⋯6.5抽样与组批规则.......-..........··········‘··‘··············一6.6判定规则...........⋯，⋯价⋯⋯‘.，...···.·.···.··⋯”

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