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PRODUCT DESCRIPTION
The Rika RK 200-03 Pyranometer is produced based thermopile principle; sensing elements are made by winding - plated thermopiles with multi contacts.Its surface is coated by black coating with high absorption rate. Hot contacts on the sensors surface, while the cold junction is located within the body,temperature difference between the hot and cold junction generates electromotive force, the thermoelectric effect is proportional to the solar radiation. In order to reduce the ambient temperature effect ,temperature compensation circuit designed here to reduce the effects to products properties.
SPECIFICATIONS
| Item | Specification |
| Spectral range | 300-3200nm |
| Supply | 5V,12-24VDC |
| Range | 0-2000W/m2 |
| Output | SDI-12 |
| Sensitivity> | 7-14μV*W-1*m2 |
| Internal resistance | 350Ω |
| Non-linearity（Accuracy） | ±2% of full measurement scale |
| Measuring angle | 2π solid angle |
| Response time | 20s(99%) |
| Zero drift( temperature drift:5k/h) | ±5W/m2 |
| Stability | ±2%/year |
| Cosine correction | ±7%(Solar elevation angle=10°) |
| Temperature effect | ±2%(-10°C-+40°C) |
| Operating temperature | -40°C-+80°C |
| Recalibration interval | 2 years |
| Desiccant | Silica gel desiccant |
| Weight(unpacked) | 2.5kg |
| Pack | Aluminum alloy instrument box |
| Dimension | ø185*120mm |
| Installation bracket(optional) | Horizontal bracket or adjustable angle bracket |
| Ingress Protection | IP65 |
| Storage Condition | 10°C-60°C @20%-90%RH |
Product Catalogue: Rika RK200-03 SDI-12 Pyranometer
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