雷磁食品pH计PHSJ-4F

评测依据

• review_count：2100
• rating_avg：4.5
• 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 01:12:30","to":"2026-06-26 01:12:30"}
• intros：{"brand_intro":"雷磁（Leici）是中国上海仪电科学仪器股份有限公司旗下品牌，成立于1953年，是国内电化学分析仪器的开拓者。专注于pH计、电导率仪等产品，以高性价比和本土化服务著称，在食品、环保、教育领域拥有庞大用户群，是国产pH计市场的领军品牌。","product_intro":"PHSJ-4F是一款智能型食品pH计，采用微处理器控制，支持自动校准、自动温度补偿和终点判断。配备复合电极，测量范围0.00~14.00 pH，精度±0.01 pH，可存储200组数据并支持USB导出。大屏中文菜单，操作直观，适合食品厂、质检站和高校实验室使用，尤其适合酱油、醋等调味品检测。","key_specs":["测量范围：pH 0.00~14.00","分辨率：0.01 pH","精度：±0.01 pH","校准点：1~3点自动识别","温度补偿：自动（0~100°C）","数据存储：200组，USB导出"]}
• alt_products：[{"product_name":"雷磁食品pH计PHSJ-4F","brand":"雷磁","model":"PHSJ-4F","price":1680}]
• kol_quotes：["质检专家刘工：雷磁PHSJ-4F是国产良心，功能不输进口。","美食博主@厨房实验室：用它测泡菜pH，数据准确，推荐给同行。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":85.89999999999999,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认可其国产高性价比，功能齐全，操作简单。自动校准和终点判断功能减少人为误差，数据导出方便。部分用户反映电极寿命一般，但整体维护成本低。在调味品和饮料检测中表现稳定，京东好评率96%，天猫评分4.6，是国产pH计中的爆款。","source_count":3}},{"source":"objective","score":69.54665137614678,"weight":0.6,"confidence":0.5,"details":{"rating_avg":4.5,"price":1680,"wom_score":85.89999999999999}},{"source":"user_review","score":90,"weight":0.15,"confidence":1,"details":{"rating_avg":4.5,"review_count":2100,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["质检专家刘工：雷磁PHSJ-4F是国产良心，功能不输进口。","美食博主@厨房实验室：用它测泡菜pH，数据准确，推荐给同行。"]}}]
• method_version：v2
• search_visual：null