朗威声速测量实验套件

评测依据

• review_count：3200
• rating_avg：4.7
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• price_range：[100,299]
• dimension：best_quality
• sources：["京东","天猫"]
• time_range：{"from":"2026-06-26 02:53:08","to":"2026-06-26 02:53:08"}
• intros：{"brand_intro":"朗威（Longwei）是国内知名的物理实验仪器品牌，专注于中学及大学物理教学器材的研发与生产。公司拥有多项专利技术，产品以高精度、易操作著称，长期服务于全国多所重点中学和高校实验室，在声学、力学实验领域口碑极佳。","product_intro":"该套件专为声速测量实验设计，包含高灵敏度驻波管、数字频率计、声源发生器和精密温度传感器。采用相位比较法与共振干涉法双模式测量，可精确测量空气中声速，并支持温度补偿计算。套件结构紧凑，连接简便，适合课堂分组实验。","key_specs":["测量方法：共振干涉法/相位比较法","频率范围：20Hz-20kHz","声速测量精度：±0.5%","温度传感器分辨率：0.1℃","驻波管长度：1.2m","电源：DC 5V USB供电"]}
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