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LYZ-211C-L系列光照恒温摇床中国总代
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LYZ-211C-L系列光照恒温摇床
光照恒温摇床通过集成光照、温度、振荡三大变量,模拟昼夜节律、水体波动等自然环境,为实验提供高度可控的定量平台。其核心功能包括:
光照控制:顶部LED阵列提供0-15,000 lx冷白光或红/蓝/远红组合光,支持光周期编程(如12h光照/12h黑暗),满足光形态建成、光合作用等研究需求。
温度控制:底部PID加热系统实现4-60℃控温,精度±0.1℃,可模拟昼夜温差(如拟南芥实验中22℃光照/18℃黑暗)。
振荡功能:偏心驱动提供30-300 rpm水平回旋或往复振荡,振幅20-50 mm可调,促进溶氧均匀分布(如微藻培养中150 rpm提升溶氧60%)。

微藻高密度培养:通过光强梯度(2000-8000 lx)与振荡转速(150 rpm)优化,小球藻生物量从1.2 g/L提升至4.7 g/L,DHA含量提高22%。
植物逆境生理研究:模拟叶片随风摆动(80 rpm振荡)与昼夜温差,诱导HY5转录因子表达,促进下胚轴伸长抑制。
光毒理评估:在100 mL反应瓶中设定25℃、5000 lx、12/12 h光暗循环,评估喹诺酮类药物对藻类的急性毒性(环丙沙星8h内ROS产量达2.4 µM)。
技术原理:三位一体稳态控制
光-温-振协同机制:
微处理器以秒级采样频率实时比对设定值与传感器反馈,通过调节灯板PWM占空比控制光照强度,避免热漂移;
压缩机转速动态调整维持恒温,防止温度过冲;
偏心驱动系统优化振荡轨迹,消除共振现象。
关键技术参数:
光照系统:LED寿命≥50,000 h,光谱可调(400⁻⁷00 nm全波段覆盖);
温控系统:升温速率≥3℃/min,降温速率≥2℃/min(配备快速制冷模块);
振荡系统:负载能力≥10 kg(2L锥形瓶×4),噪音≤50 dB。
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