RY-GH型光合有效辐射传感器 光合有效辐射计、光合有效辐射
说明:RY-GH型光合有效辐射表主要用来测量400-700nm波长范围内的太阳光的光合有效辐射波段,具有使用使用简单、稳定性好、免维护及无源精确测量等特点,可直接与数字电压表或数据采集器相连,并能在全天候条件下使用。
RY-GH光合有效辐射表原理采用硅光探测器,通过高标准光学滤光器来检测。当有光照时,产生一个与入射辐射强度成正比的电压信号,且其灵敏度与入射光的直射角度的余弦成正比,每台光合有效辐射表都有固定的灵敏度,并可以直接输出单位为μ•mol/m2•s的数值。
该表广泛应用于农业气象,农作物生长的研究。
技术参数:
光谱范围:400-700nm
灵敏度:10—50μv/μ•mol•m2•s
响应时间:<1s(99%)
温度相关:最大0.05%/℃
余弦校正:上至80°入射角
内阻:<2K
工作温度:-40—65℃
量程:0-4000μ•mol•m2•s
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