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地球表面的太阳辐射通常被定义为横跨波长率为280至4000nm(短波辐射)的总辐射。入射在水平表面上的总太阳辐射,直接梁和漫射被定义为全局短波辐射,或短波辐照度(入射辐射通量),并以瓦特每平方米表示(W M)-2,等于每平方米每秒焦耳)。
Pytanometers是测量全球短波辐射的传感器。APOGEE SP-500和SP-600系列粘纸是黑体热电滤波器,对大多数太阳光谱敏感,从而消除与硅 - 细胞粘膜计相关的光谱误差。SP-510旨在测量传入的短波辐射,并将扩散器与黑体检测器组合。SP-610旨在测量来自地面表面的反射短波辐射,并将石英窗与黑体检测器相结合。两种型号的校准可追溯到次要标准的黑体热电堆垛机,可追溯到瑞士达沃斯世界辐射参考。两种型号的规格符合国际标准化组织(ISO)9060:2018 C类要求。
bob体育竞技远地点仪器sp - 510和sp - 610日射强度计consist of a thermopile detector, acrylic diffuser (SP-510) or glass window (SP-610), heater, and signal processing curcuitry mounted in an anodized aluminum housing, and a cable to connect the sensor to a measurement device. Sensors are potted solid with no internal air space and are designed for continuous measurement of shortwave radiation from the sky (SP-510) and terrestrial surfaces (SP-610) in outdoor environments. SP-510 and SP-610 pyranometers output an analog voltage that is directly proportional to incident shortwave radiation. The analog signal from the sensor is directly proportional to radiation incident on a planar surface (does not have to be horizontal), where the radiation emanates from all angles of a hemisphere.
SP-510-SS Upward-looking |
SP-610-SS 向上的 |
|
---|---|---|
ISO 9060:2018 | C类(以前称为第二类) | N / A. |
灵敏度(从传感器到传感器的变量,列出的典型值) | 每周0.05 mV-2 | 每周0.15 mV-2 |
Calibration Factor (reciprocal of sensitivity; variable from sensor to sensor, typical values listed) | 20 W M.-2per mV | 6.7 W m-2per mV |
校准不确定性 | ±5% | ±5% |
输出范围 | 0 to 100 mV | 0到300 mV |
Measurement Range | 0到2000 w m-2(net shortwave irradiance) | 0到2000 w m-2(net shortwave irradiance) |
测量可重复性 | 不到1% | 不到1% |
长期漂移 | 每年不到2% | 每年不到2% |
非线性 | 不到1% | 不到1% |
探测器响应时间 | 0.5秒 | 0.5秒 |
Field of View | 180° | 150° |
光谱范围(50%) | 385 to 2105 nm | 295 to 2685 nm |
Directional (Cosine) Response | 不到30米-2at 80° solar zenith | 对于0至60°之间的角度小于20% |
温度响应 | 从-15到45 c不到5% | 从-15到45 c不到5% |
零偏移A. | Less than 5 W m-2;小于10 W m-2(加热) | Less than 5 W m-2;小于10 W m-2(加热) |
零偏移B. | Less than 5 W m-2 | Less than 5 W m-2 |
操作环境 | -50到80 c;0至100%相对湿度 | -50到80 c;0至100%相对湿度 |
加热器 | 780Ω,15.4 mA电流拉伸和12 V DC的185 MW功率要求 | 780Ω,15.4 mA电流拉伸和12 V DC的185 MW功率要求 |
Uncertainty in Daily Total | Less than 5 % | Less than 5 % |
尺寸 | 直径23.5毫米,高度为28.7毫米 | 直径23.5毫米,高度为27.5毫米 |
块状(电缆的5米) | 90 g | 100 g |
如何选择绘制尺
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讲座3 - 短波辐射和粘膜仪
apogee.SP-510 Thermopile Pyranometers Introduction
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Pyranometer User's Guide
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地球表面的太阳辐射通常被定义为跨波长范围为280至4000nm(短波辐射)的总辐射。入射在水平表面上的总太阳辐射,直接梁和漫射被定义为全局短波辐射,或短波辐照度(入射辐射通量),并以瓦特每平方米表示(W M)-2)。
Pytanometers是测量全球短波辐射的传感器。bob体育竞技Apogee仪器offers both silicon-cell and black-body thermopile pyranometers. Silicon-cell pyranometers are only sensitive to a portion of the solar spectrum, approximately 360 to 1100 nm (approximately 80 % of total shortwave radiation is within this range).
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