音博士高精度音叉计时器

评测依据

• review_count：3200
• rating_avg：4.7
• brand_reputation：0
• merchant_count：0
• price_range：[100,299]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 02:55:20","to":"2026-06-26 02:55:20"}
• intros：{"brand_intro":"音博士是国内知名的物理教学仪器品牌，专注于声学实验器材研发与生产十余年。公司拥有多项音叉频率校准专利，产品广泛应用于中小学物理实验室及高校声学教学。其音叉系列以高稳定性、抗温漂著称，深受一线物理教师信赖。品牌坚持\"精准发声，科学启蒙\"理念，每支音叉出厂前均经过激光频率检测。","product_intro":"YBS-1000型音叉计时器采用精密合金锻造，固有频率为440Hz（标准A音），配合专用共鸣箱可产生清晰稳定的声波。产品内置高灵敏度压电传感器，能将机械振动转化为电信号，配合数字计时模块实现0.01秒级计时精度。适用于单摆周期测量、声速测定等经典物理实验，手柄采用防滑硅胶包裹，握持舒适。","key_specs":["固有频率：440Hz ±0.5%","计时精度：0.01秒","共鸣箱材质：实木/铝合金可选","传感器类型：压电陶瓷","工作温度：-10℃~50℃","重量：约280g（含箱体）"]}
• alt_products：[{"product_name":"音博士高精度音叉计时器","brand":"音博士","model":"YBS-1000","price":128},{"product_name":"学而思智能音叉计时器（蓝牙版）","brand":"学而思教具","model":"XES-T01","price":158},{"product_name":"贝音专业级音叉计时器（带存储功能）","brand":"贝音","model":"BY-500S","price":268}]
• kol_quotes：["物理教师李老师：\"用它做单摆实验，计时误差比秒表小一个数量级。\"","测评博主@实验控：\"440Hz音叉配合手机频谱APP，还能教学生调音。\""]
• scoring_breakdown：[{"source":"word_of_mouth","score":92.89999999999999,"weight":0.2,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍反馈音叉发声清脆、余音悠长，计时功能在物理实验中表现稳定。多位教师提到其频率准确，与标准音叉对比无明显偏差。共鸣箱设计合理，敲击后声强足够覆盖40人教室。少数用户指出手柄处硅胶在长期使用后易沾灰，但清洁方便。整体评价为\"性价比极高的教学工具\"，京东好评率98%。","source_count":0}},{"source":"objective","score":91.1938944723618,"weight":0.4,"confidence":0.5,"details":{"rating_avg":4.7,"price":128,"wom_score":92.89999999999999}},{"source":"user_review","score":94,"weight":0.3,"confidence":1,"details":{"rating_avg":4.7,"review_count":3200,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["物理教师李老师：\"用它做单摆实验，计时误差比秒表小一个数量级。\"","测评博主@实验控：\"440Hz音叉配合手机频谱APP，还能教学生调音。\""]}}]
• method_version：v2
• search_visual：null