光电效应实验仪（数字型）

评测依据

• review_count：256
• rating_avg：4.7
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• price_range：[800,1999]
• dimension：best_quality
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 02:53:09","to":"2026-06-26 02:53:09"}
• intros：{"brand_intro":"杭州大华仪器是华东地区教学仪器龙头企业，成立于1998年，拥有ISO9001认证。品牌专注于物理、化学、生物实验设备的数字化升级，产品出口至东南亚及欧洲。其光电效应实验仪系列在高校物理实验室中占有率较高，以模块化设计和数据接口丰富著称，多次获得浙江省高新技术产品认定。","product_intro":"DH-GD-2型光电效应实验仪采用数字显示与USB数据采集接口，可直接连接电脑进行实时曲线绘制。内置多波长LED光源（含紫外、蓝、绿、黄、红），无需滤光片切换，寿命长且无汞污染。配备高精度微电流计与可调偏压电源，支持手动和自动扫描模式。实验内容涵盖光电效应验证、普朗克常量测量、光电流特性研究等，适合大学物理实验教学。","key_specs":["光源：LED阵列（365nm、405nm、470nm、530nm、590nm、650nm）","光电管：真空光电管（光谱响应范围200-700nm）","微电流分辨率：0.1 pA","偏压范围：-2V 至 +2V，步进0.01V","数据接口：USB 2.0（支持Windows/Mac）","供电：DC 12V适配器"]}
• alt_products：[{"product_name":"光电效应实验仪（数字型）","brand":"杭州大华仪器","model":"DH-GD-2","price":1680},{"product_name":"光电效应实验仪","brand":"中科科教","model":"ZK-GD-01","price":1280},{"product_name":"光电效应实验仪（基础型）","brand":"上海实博","model":"SB-GD-3","price":980}]
• kol_quotes：["\"大华的数字型光电效应仪让实验数据可视化，学生兴趣明显提升。\"——浙江大学物理实验中心李教授","\"LED光源切换方便，适合快速演示不同波长对光电流的影响。\"——上海中学物理教研组"]
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