起订量:
CCM-300 叶绿素含量测量仪
高级会员第3年
生产厂家公司简介: | |
北京澳作生态仪器有限公司是致力于土壤监测、植物生理生态监测、环境、气象监测、地下水监测、节水灌溉等仪器的销售和系统集成的专业公司。 公司全体同仁秉承“协作开拓 共同发展”和经营理念,积极为国内用户提供产品咨询,方案设计,技术发展动态等各种优质服务。 公司自成立以来先后为中科院“中国生态研究网络(CERN)”、中科院知识创新工程、中国林科院森林生态监测项目、*“948”项目、*“948”项目、国家“973”项目、国家“863”项目、全国高校的“211”工程、重点学科建设、新疆建设兵团提供仪器设备和技术咨询。 经过全体同仁的努力,目前公司已成为生态研究和节水农业领域内经营历史Z长、提供产品Z全、技术服务*的公司。 澳作公司愿与各方朋友合作,为中国的生态环境改善和节水技术的发展作出贡献。 | |
二原理
三 特点
Ø 直接算出叶绿素含量mg/m2;
Ø 测量结果可靠,不受叶片或样品大小、厚度和形状的影响;
Ø 经济、轻便、手持式设计,适合野外使用;
Ø 与化学测量结果高度相关,即使在高叶绿素含量时;
Ø 彩色触摸屏显示;
Ø 离散的单点测量和多点(2-30个样品)平均值测量模式;
Ø 非易失性闪存(2GB);
USB数据输出,可使用Excel打开; |
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四 组成
主机、光纤样品夹、电池充电器、4节AA镍氢充电电池、USB通讯缆线、使用手册。
可选配件:
20mm大探头: 增加测量面积。 较大的样本量可能对某些类型的样本有用,例如苔藓
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增长版叶夹:
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Ø 测量参数:叶绿素荧光比率——发射荧光在735nm/700nm的比值(CFR),或相对叶绿素含量mg· m-2;
Ø 测量面积:直径3mm的圆,外径4mm,但对直径小于3mm的样品也可准确可靠的测量;
Ø 分辨率:比值0.01或1 mg· m-2;
Ø 重复性:依赖于信号强度,对信号强度低的样品,建议使用多点测量的平均值,对信号强度高的样品,差异通常为±0.03或更低;。
Ø 噪声:<±0.02;
Ø 光源:LED 460 nm蓝光二极管,半峰宽15 nm;
Ø 探头:两个固态高感传感器,提供滤光片。同时提供两个波长探头(700nm~710nm,730nm~740nm);
Ø 检测:数控调制光,将背景光影响将至低。并对光源和检测器进行温度补偿;
Ø 存储容量:2GB;
Ø 模式:单点测量,2~30个点去平均值,去除2σ区间外的平均值,或者中位数;
Ø 样品接口:光纤传感器,直径4mm;
Ø 用户界面:240 × 320 像素彩色触摸屏;
Ø 输出:USB 1.1;
Ø 温度范围:0~50 ℃;
Ø 电源:2节充电AA电池;
Ø 自动关闭间隔:(无按键或下载)0~20分钟可选;
Ø 大小:12 cm × 9 cm × 3 cm;
Ø 重量:0.16lbs 275g;
Ø 测量时间:5秒;
五、产地:美国
六、参考文献
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