锅炉城市燃气气体涡轮流量计(暂无)-锅炉城市燃气气体涡轮流量计工作原理-规格型号-技术参数-使用说明书-北方有色网

基础金属	铜电解铜铜精矿铜管铜棒废铜铜排铜合金精铜杆再生铜杆铜板带铝铝土矿氧化铝电解铝铝辅料铝棒铝合金锭废铝铝杆铝型材铝板卷铝板铅铅精矿铅锭铅蓄电池再生精铅还原铅废铅蓄电池铅合金锌锌精矿电解锌锌合金氧化锌锌粉锡锡精矿锡锭锡材
小金属	钨钨精矿 APT(仲钨酸铵)钨粉碳化钨钨酸钠钨条钨铁钨材废钨钛钛精矿钛渣四氯化钛海绵钛钛金属钛白粉镁兰炭硅铁镁锭镁合金镁粉锗镓铟锑铋硒钽铌锆铪
新能源	锂锂矿锂化合物金属锂镍镍矿镍铁精炼镍镍盐高冰镍 MHP 钴电解钴钴粉氯化钴四氧化三钴硫酸钴钴中间品氧化钴碳酸钴钴酸锂锰锰矿电解锰电池级硫酸锰锂电池三元前驱体隔膜磷酸铁电解液正极材料电芯石油焦针状焦包覆沥青人造石墨硅碳负极硅氧负极硅硅石有机硅硅粉三氯氢硅工业硅再生硅光伏多晶硅硅片电池片组件组件成本指数海外组件废旧组件
其他金属	稀土稀土矿稀土氧化物稀土金属钕铁硼白银金

基础金属

铜电解铜铜精矿铜管铜棒废铜铜排铜合金精铜杆再生铜杆铜板带铝铝土矿氧化铝电解铝铝辅料铝棒铝合金锭废铝铝杆铝型材铝板卷铝板铅铅精矿铅锭铅蓄电池再生精铅还原铅废铅蓄电池铅合金锌锌精矿电解锌锌合金氧化锌锌粉锡锡精矿锡锭锡材

小金属

钨钨精矿 APT(仲钨酸铵)钨粉碳化钨钨酸钠钨条钨铁钨材废钨钛钛精矿钛渣四氯化钛海绵钛钛金属钛白粉镁兰炭硅铁镁锭镁合金镁粉锗镓铟锑铋硒钽铌锆铪

新能源

锂锂矿锂化合物金属锂镍镍矿镍铁精炼镍镍盐高冰镍 MHP 钴电解钴钴粉氯化钴四氧化三钴硫酸钴钴中间品氧化钴碳酸钴钴酸锂锰锰矿电解锰电池级硫酸锰 锂电池三元前驱体隔膜磷酸铁电解液正极材料电芯石油焦针状焦包覆沥青人造石墨硅碳负极硅氧负极硅硅石有机硅硅粉三氯氢硅工业硅再生硅光伏多晶硅硅片电池片组件组件成本指数海外组件废旧组件

其他金属

稀土稀土矿稀土氧化物稀土金属钕铁硼白银金

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[ DB ] CONNECT:[ UseTime:0.001194s ] mysql:host=pc-m5epcw1px949b110u.rwlb.rds.aliyuncs.com;port=3306;dbname=yousedb;charset=utf8
[ SQL ] SHOW COLUMNS FROM `tb_para` [ RunTime:0.001321s ]
[ SQL ] SELECT * FROM `tb_para` WHERE `id` = 1 LIMIT 1 [ RunTime:0.000998s ]
[ SQL ] SHOW COLUMNS FROM `tb_prod` [ RunTime:0.001099s ]
[ SQL ] UPDATE `tb_prod` SET `hit`=`hit`+1 WHERE `id` = 88381 [ RunTime:0.000989s ]
[ SQL ] SELECT * FROM `tb_prod` WHERE `id` = 88381 LIMIT 1 [ RunTime:0.000895s ]
[ SQL ] SHOW COLUMNS FROM `tb_category` [ RunTime:0.001035s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `id` = 119 LIMIT 1 [ RunTime:0.000971s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `id` = 24 LIMIT 1 [ RunTime:0.000792s ]
[ SQL ] SHOW COLUMNS FROM `tb_area` [ RunTime:0.000959s ]
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[ SQL ] SELECT * FROM `tb_area` WHERE `id` = 10 LIMIT 1 [ RunTime:0.000986s ]
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[ SQL ] SELECT `id`,`title` FROM `tb_prod` WHERE `id` < 88381 AND `check_status` = 1 AND `category_id` = 119 ORDER BY `submit_date` DESC LIMIT 1 [ RunTime:0.019177s ]
[ SQL ] select id,title,city_id from tb_need where check_status=1 and ( title like '%城市燃气气体涡轮流量计%' or tag like '%城市燃气气体涡轮流量计%' or intro like '%城市燃气气体涡轮流量计%' or title like '%防爆气体涡轮流量计%' or tag like '%防爆气体涡轮流量计%' or intro like '%防爆气体涡轮流量计%' or title like '%管道式气体涡轮流量计%' or tag like '%管道式气体涡轮流量计%' or intro like '%管道式气体涡轮流量计%' ) order by submit_date desc limit 10 [ RunTime:0.007455s ]
[ SQL ] select id,title from tb_news where check_status=1 and category_id=45 and ( title like '%城市燃气气体涡轮流量计%' or tag like '%城市燃气气体涡轮流量计%' or intro like '%城市燃气气体涡轮流量计%' or title like '%防爆气体涡轮流量计%' or tag like '%防爆气体涡轮流量计%' or intro like '%防爆气体涡轮流量计%' or title like '%管道式气体涡轮流量计%' or tag like '%管道式气体涡轮流量计%' or intro like '%管道式气体涡轮流量计%' ) order by submit_date desc limit 10 [ RunTime:0.054788s ]
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[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_comment` WHERE `table_name` = 'prod' AND `table_id` = 150943 AND `parent_id` = 0 LIMIT 1 [ RunTime:0.000731s ]
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[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_comment` WHERE `table_name` = 'prod' AND `table_id` = 150942 AND `parent_id` = 0 LIMIT 1 [ RunTime:0.000758s ]
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[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_comment` WHERE `table_name` = 'prod' AND `table_id` = 150940 AND `parent_id` = 0 LIMIT 1 [ RunTime:0.000725s ]
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[ SQL ] SELECT * FROM `tb_user_company` WHERE `user_id` = 1 LIMIT 1 [ RunTime:0.000833s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 36 ORDER BY `sortid` ASC [ RunTime:0.000813s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 37 ORDER BY `sortid` ASC [ RunTime:0.000840s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 38 ORDER BY `sortid` ASC [ RunTime:0.000746s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 39 ORDER BY `sortid` ASC [ RunTime:0.000797s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 40 ORDER BY `sortid` ASC [ RunTime:0.000798s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 41 ORDER BY `sortid` ASC [ RunTime:0.000805s ]
[ SQL ] SHOW COLUMNS FROM `tb_advert` [ RunTime:0.001017s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 45 LIMIT 1 [ RunTime:0.000756s ]
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[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 47 LIMIT 1 [ RunTime:0.003513s ]
[ SQL ] SELECT * FROM `tb_advert` WHERE `id` = 48 LIMIT 1 [ RunTime:0.000703s ]

0.312711s

执行标准	气体涡轮流量计（GB/T8940-2003）
仪表口径及连接方式	20、25、32、40、50、65、80、100、125、150、200、250、300采用法兰连接25、40、50可采用螺纹连接
精度等级	±1.5%R（±1%R需特制）*
量程比	1:10；1:20；1:30
仪表材质	表体：304不锈钢或铸铝叶轮：防腐ABS或铝合金转换器：铸铝
使用条件	介质温度：-20℃～+80℃环境温度：-30℃～+60℃相对湿度：5%～90%大气压力：86Kpa～106Kpa
工作电源	A.外电源：+24VDC±15%，纹波≤±5%，适用于4-20mA输出、脉冲输出、RS485等B.内电源：1组3.0V10AH 锂电池，电池电压在2.0V～3.0V时均可正常工作。当电压低于2.0时出现欠压指示
整机耗能	外电源：< 1W内电源:平均功耗≤1W,可连续使用三年以上。
信号输出功能	脉冲信号、4-20mA电流信号、控制信号
通讯输出功能	RS485通讯
实时记录功能	起停记录、日记录、定时间间隔记录
信号接线口	内螺纹M20×1.5或其他
防爆等级	ExdⅡBT6或ExiaⅡCT4
防护等级	IP65

锅炉城市燃气气体涡轮流量计

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