湿式气体流量计 LML-2

评测依据

• review_count：450
• rating_avg：4.6
• brand_reputation：0
• merchant_count：0
• price_range：[800,1999]
• dimension：best_value
• sources：["京东","天猫","拼多多"]
• time_range：{"from":"2026-06-26 01:17:12","to":"2026-06-26 01:17:12"}
• intros：{"brand_intro":"常州双环热工仪表有限公司成立于1993年，是国内热工仪表领域老牌企业，专注于气体流量计、温度计等产品的研发制造。公司拥有多项实用新型专利，产品以高性价比和耐用性在中小企业及教育科研领域广受欢迎。其湿式气体流量计年销量超万台，是国内市场占有率最高的品牌之一。","product_intro":"LML-2湿式气体流量计为经典经济型设计，采用铸铁壳体与铜质转鼓，结构简单可靠。测量范围0.2-10 L/min，精度±1.5%。配备玻璃液位观察窗和手动温度补偿旋钮。适用于教学演示、一般性气体分析及燃气具检测。标配橡胶软管接口，支持快速连接。重量仅3.5kg，便于携带。","key_specs":["测量范围：0.2-10 L/min","精度等级：±1.5%","工作压力：≤2000 Pa","材质：铸铁/铜","液位观察：玻璃视窗","重量：3.5 kg"]}
• alt_products：[{"product_name":"湿式气体流量计 LML-2","brand":"常州双环热工仪表有限公司","model":"LML-2","price":980},{"product_name":"湿式气体流量计 LML-1","brand":"上海仪电科学仪器股份有限公司","model":"LML-1","price":1280}]
• kol_quotes：["@中学物理教师：'学生随便折腾也不坏，实验室必备。'","@燃气具检测员：'精度够用，价格只有进口的十分之一。'"]
• scoring_breakdown：[{"source":"word_of_mouth","score":79.19999999999999,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认为性价比极高，适合预算有限的学校和中小企业。多位教师反馈用于学生实验，操作简单不易损坏。部分用户指出铸铁壳体在潮湿环境易生锈，建议使用后擦干。精度在低流量段（<0.5 L/min）略有偏差，但日常使用可接受。售后电话响应快，配件价格低廉。整体评价为\"皮实耐用的入门级选择\"。","source_count":3}},{"source":"objective","score":85.41624687239366,"weight":0.6,"confidence":0.5,"details":{"rating_avg":4.6,"price":980,"wom_score":79.19999999999999}},{"source":"user_review","score":92,"weight":0.15,"confidence":1,"details":{"rating_avg":4.6,"review_count":450,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["@中学物理教师：'学生随便折腾也不坏，实验室必备。'","@燃气具检测员：'精度够用，价格只有进口的十分之一。'"]}}]
• method_version：v3
• search_visual：null