AM350便携式叶面积仪
AM350便携式叶面积仪是一种野外使用的便携式手持叶面积仪,可快速、精确、无损地在野外测量植物叶面积及其相关参数。AM350便携式叶面积仪主要用于叶面积等相关参数测量和植物叶片受损、变色或病态等分析。
原理:
AM350便携式叶面积仪由一个高分辨率的扫描仪和扫描板组成,运用高速扫描传感器技术,扫描叶片,且能够保存数据和扫描图。
主要优点:
- 独立的图像显示
- 高分辨率为0.065mm2,可以精准的测量很小的叶片,包括:拟南芥;AM300也可以用于测量根面积,菌丝面积
- 真正的野外便携式,轻便,满电情况下,可连续测量3000次
- 对测量叶片无损伤
- 简单快速测量,无需固定叶片位置
- 数据和图像直接存储
- 图片能够以BMP或TIF格式传输到打印机和电脑中
组成:
扫描器,扫描板,电池充电器,使用手册
技术参数:
- 测量参数:叶面积,叶长,叶宽,叶周长,平均叶面积,累计叶面积,比率和形状系数,并且可以存储扫描叶片的黑白图片
- 测量单位:mm或cm(用户可选)
- 扫描器:内置LED光源的接触式图像传感器阵列
- 扫描速度:大于20mm/s
- zui大测量宽度:103mm
- zui大测量长度:2m
- 精度:长,宽+/-1%,面积+/-2%,周长+/-5%
- 分辨率:0.065mm2
- 内存:256kB RAM,大约2000组数据
- 显示器:64×240像素LCD显示器
- 电池:内置1.2Ah镍氢电池包
- 充电:电源适配器或者12V电池充电,具备电池状态指示灯
- 续航时间:每次*充电后可进行约3000次测量
- 电脑接口:Mini-BUSB接口和RS232接口
- 工作温度:0℃ - 45℃
- 尺寸:275mm×250mm×30mm
- 重量:1.8g
- :英国
发表文献:
- Evapotranspiration measurement and estimation using modified Priestley–Taylor model in an irrigated maize field with mulching, R Ding, et. al, Agricultural and Forest Meteorology, 2013
- Multiscale spectral analysis of temporal variability in evapotranspiration over irrigated cropland in an arid region, R Ding, et. al, Agricultural Water Management, 2013
- Determination of single and dual crop coefficients and ratio of transpiration to evapotranspiration for canola, Majnooni-Heris, et. al, Annals of Biological Research, 2012
- Whole-Tree Water Use Efficiency Is Decreased by Ambient Ozone and Not Affected by O3-Induced Stomatal Sluggishness, Y Hoshika, et. al, PloS one, 2012
- Water stress drastically reduces root growth and inulin yield in Cichorium intybus (var. sativum) independently of photosynthesis, B Vandoorne, et. al, J. Exp. Bot., 2012
- Chloroplastidic pigments, gas exchange, and carbohydrates changes during Carapa guianensis leaflet expansion, FKC Moraes, et. al, Photosynthetica, 2011