日本EKO MR-60凈全輻射傳感器/四分量輻射傳感器
日本EKO MR-60(Net Radiometer)凈輻射表和MF-11(Net Pyradiameter)凈輻射表通過直接測量每日的長波輻射和短波輻射,并計算得到凈輻射量。用于大氣輻射(云層/水蒸氣和二氧化碳等發出的輻射)和地球與大氣之間的凈輻射交換的氣象觀測。凈總輻射(短波+長波)通常由4個凈輻射表或者單個凈輻射表(其探測器能響應全波段)進行測量。地球長波輻射表使用一個半球朝上的探測器測量向下發射的長波輻射。凈長波輻射和地氣系統向下的發射輻射可由計算得到。在許氣象/光伏/園藝/農業和工業等領域得到了廣泛的使用。
凈輻射/四分量輻射傳感器【系列傳感器優點】:
精度高,響應快;
全天候,高穩定性;
高度集成,易于集成到任何類型的應用中。
凈輻射/四分量輻射傳感器【應用領域/Applications】:
氣象觀測
大氣環境監測和研究
農業氣象及生態研究
Specifications
Main Body
Measurement uncertainty | +/-10% in daily total value |
Maximum Measurement uncertainty | Pyranometer offset: 10W/m2, +/-2K temperature error from Pt-100 |
Channel Quantity | mV range x 4ch., 4-wire type Pt-100 x 2ch. |
Cable Length | Standard length: 10mOptional length: 20m, 30m, 50m |
Operating Temperature | -40~+70℃ |
Dimensions | 60(W) x 190(D) x 106(H)mm (Without the arm) |
Weight | 2.8kg (With 10m cable) |
Pyranometer
Classification | ISO Second Class |
Sensitivity | Approx. 7μV/W/m2 |
Response Time(95%) | 18sec. |
Zero Off-Set | 15W/m2 at 200W/m2 thermal radaition 4W/m2 against the variation of ambient temperature 5K/h |
Stability | 1%/year |
Linearity | 2.5% at 1000W/m2 |
Temperature Response | 6% (-10~+40℃) |
Tilt Response | 2% |
Impedance | 20~140Ω |
Spectral Range | 305~2800nm (50% points) |
Pyrgeometer
Sensitivity | Approx. 4μV/W/m2 |
Response Time(95%) | 18sec. |
Stability | 1%/year |
Temperature Response | 6%(-10~+40℃) |
Tilt Response | Maximum of 3% in downward direction |
Field Of View | 150° |
Impedance | 20~140Ω |
Spectral Range | 3~50μm |
Window Offset | 25W/m2 at solar radiation of 1000W/m2 |
Temperature Sensor
Temperature Sensor | 4-wire type Pt-100 (DIN Class A) |
Temperature Measurement Accuracy | +/- 0,2K |