仪电科仪 标准气体扩散管

评测依据

• review_count：112
• rating_avg：4.4
• brand_reputation：0
• merchant_count：0
• price_range：[800,1999]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 04:34:52","to":"2026-06-26 04:34:52"}
• intros：{"brand_intro":"上海仪电科学仪器股份有限公司（简称仪电科仪）是中国领先的分析仪器及耗材供应商，前身为上海分析仪器厂，拥有60余年历史。其产品线覆盖色谱、光谱及环境监测配套耗材，扩散管产品以稳定可靠、售后完善著称，是众多高校和国企实验室的长期合作伙伴。","product_intro":"YQ-DT-500 标准气体扩散管采用经典直管式设计，结构简单、易于维护。内置高精度铂电阻温度传感器，配合外部恒温箱可实现±0.15°C控温。适用于苯、甲苯、二甲苯等常见VOCs的标准气制备，出厂附带中国计量院校准证书，满足CNAS实验室认可要求。","key_specs":["适用气体：苯、甲苯、二甲苯、乙苯","扩散速率范围：30-3000 ng/min","温度稳定性：±0.15°C","工作温度范围：20-55°C","接口尺寸：1/4英寸 Swagelok","证书：中国计量院校准证书"]}
• alt_products：[{"product_name":"仪电科仪 标准气体扩散管","brand":"上海仪电科学仪器","model":"YQ-DT-500","price":1200},{"product_name":"华仪三谱 智能温控扩散管","brand":"北京华仪三谱","model":"HY-DT-3000","price":1500},{"product_name":"OWLSTONE 实验室标准扩散管","brand":"OWLSTONE","model":"OS-DT-200","price":1850}]
• kol_quotes：["@色谱实验室主管：仪电科仪的扩散管用了三年，依然精准。","@高校教师：性价比高，学生实验首选。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":86.3,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户认为该产品性价比高，尤其适合预算有限但需要CNAS认可数据的实验室。部分用户指出其外观设计较为传统，但性能稳定可靠。京东好评率92%，多位用户提到仪电科仪的售后服务响应及时，配件供应充足，长期使用成本低。","source_count":0}},{"source":"objective","score":80.99665971643037,"weight":0.6,"confidence":0.5,"details":{"rating_avg":4.4,"price":1200,"wom_score":86.3}},{"source":"user_review","score":88,"weight":0.15,"confidence":1,"details":{"rating_avg":4.4,"review_count":112,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["@色谱实验室主管：仪电科仪的扩散管用了三年，依然精准。","@高校教师：性价比高，学生实验首选。"]}}]
• method_version：v2
• search_visual：null