简介
便携式瓦斯抽放综合参数测定仪是专用于煤矿井下同时测量钻孔或主管道甲烷浓度、一氧化碳浓度、压力、温度、流量的多参数的便携式仪器。测定仪具备采样过滤、自动排水、参数测量和数据存储功能，可通过无线传输方式将测量数据传输至计算机进行数据管理、分析和报表输出。
工作原理
便携式瓦斯抽放综合参数测定仪性能特征
① 一体式设计，外观简洁，重量轻、携带方便；
② 测点编号读取智能化；
③ 支持“一键测量”功能快速测量压力、浓度、温度、流量；
④ 真空泵吸内循环采样，压力兼容性强，取气速度快；
⑤ 激光甲烷探头，使用过程免干扰、免维护 技术参数
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[ DB ] CONNECT:[ UseTime:0.001382s ] mysql:host=pc-m5epcw1px949b110u.rwlb.rds.aliyuncs.com;port=3306;dbname=yousedb;charset=utf8
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[ SQL ] SHOW COLUMNS FROM `tb_prod` [ RunTime:0.001206s ]
[ SQL ] UPDATE `tb_prod` SET `hit`=`hit`+1 WHERE `id` = 148743 [ RunTime:0.001136s ]
[ SQL ] SELECT * FROM `tb_prod` WHERE `id` = 148743 LIMIT 1 [ RunTime:0.000982s ]
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[ SQL ] SHOW COLUMNS FROM `tb_anchor` [ RunTime:0.001237s ]
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[ SQL ] select id,title,city_id from tb_need where check_status=1 and ( title like '%瓦斯抽放综合参数测定仪%' or tag like '%瓦斯抽放综合参数测定仪%' or intro like '%瓦斯抽放综合参数测定仪%' or title like '%瓦斯抽放参数测定仪%' or tag like '%瓦斯抽放参数测定仪%' or intro like '%瓦斯抽放参数测定仪%' or title like '%瓦斯抽放测定仪%' or tag like '%瓦斯抽放测定仪%' or intro like '%瓦斯抽放测定仪%' ) order by submit_date desc limit 10 [ RunTime:0.007365s ]
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[ SQL ] SHOW COLUMNS FROM `tb_collect` [ RunTime:0.001210s ]
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[ SQL ] SHOW COLUMNS FROM `tb_comment` [ RunTime:0.001047s ]
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[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_collect` WHERE `table_name` = 'prod' AND `table_id` = 150943 LIMIT 1 [ RunTime:0.000900s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_comment` WHERE `table_name` = 'prod' AND `table_id` = 150943 AND `parent_id` = 0 LIMIT 1 [ RunTime:0.000926s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_collect` WHERE `table_name` = 'prod' AND `table_id` = 150942 LIMIT 1 [ RunTime:0.000948s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_comment` WHERE `table_name` = 'prod' AND `table_id` = 150942 AND `parent_id` = 0 LIMIT 1 [ RunTime:0.000887s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_collect` WHERE `table_name` = 'prod' AND `table_id` = 150941 LIMIT 1 [ RunTime:0.001285s ]
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[ SQL ] SELECT COUNT(*) AS tp_count FROM `tb_collect` WHERE `table_name` = 'prod' AND `table_id` = 150940 LIMIT 1 [ RunTime:0.000924s ]
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[ SQL ] SELECT * FROM `tb_comment` WHERE `table_name` = 'prod' AND `table_id` = 148743 AND `parent_id` = 0 AND `isdelete` = 0 ORDER BY `add_date` DESC [ RunTime:0.000922s ]
[ SQL ] SELECT * FROM `tb_user_company` WHERE `user_id` = 5107 LIMIT 1 [ RunTime:0.000963s ]
[ SQL ] SELECT * FROM `tb_user_company` WHERE `user_id` = 5107 LIMIT 1 [ RunTime:0.000895s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `id` = 15 LIMIT 1 [ RunTime:0.000777s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `id` = 56 LIMIT 1 [ RunTime:0.000752s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 36 ORDER BY `sortid` ASC [ RunTime:0.000961s ]
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[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 38 ORDER BY `sortid` ASC [ RunTime:0.000880s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 39 ORDER BY `sortid` ASC [ RunTime:0.000886s ]
[ SQL ] SELECT * FROM `tb_category` WHERE `pid` = 40 ORDER BY `sortid` ASC [ RunTime:0.000828s ]
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