Description
PRODUCT DESCRIPTION
The RK200-02 PAR Sensor is mainly used for measuring solar radiation within 400~700nm wavelength. It is easy installation and can work continuously in all weathers. When there is sunlight, voltage output proportional to incident light intensity will be generated by the silicon-photo detector in the sensor. Its sensitivity is proportional to the cosine of incident light direct angle. Each product is with one sensitivity coefficient respectively. It can directly output radiation value in unit of μ*mol/m2*s.
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Item |
Specification |
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Spectral range |
0-2500μ*mol/m2*s |
400-700nm |
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| 0-2000W/m2 | 350-1100nm | |||
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Supply |
5V,12-24VDC |
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| Accuracy | ±5% rdg | |||
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Range |
0-2500μ*mol/m2,0-2000W/m2 |
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Output |
0-2000mV |
4-20mA(2-wires) |
RS485 | |
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Sensitivity |
0-2500μ*mol/m2*s |
0.8mV/μmol*m-2* S-1 |
6.4μA/μ*mol*m2*s | / |
| 0-2000W/m2 | 1mV/W/m2 | 8uA/W/m2 | / | |
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Response time |
<1s (99%) |
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Temperature effect |
<0.05%/℃ |
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Cosine correction |
<10% (until 80°) |
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Non-linearity |
<±2% |
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Operating temperature |
-40℃-+80℃° |
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Shell material |
Aluminum alloy |
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Storage Condition |
10℃-60℃@20%-90%RH |
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OUTPUT CHARACTERISTICS
● 0-2000mV
Range:0-2000W PAR values(W)= Voltage output value(μV)/1000
Range:0-2500μ*mol/m2*s PAR values(μ*mol/m2*s)= Voltage output value(μV)/800
● 4-20 mA
Range:0-2000W PAR values(W)=(I(μA)-4000μA)/8 (Where I is output current value,unit:μA )
Range:0-2500μ*mol/m2*s PAR values(μ*mol/m2*s)= (I(μA)-4000μA)/6.4(Where I is output current value,unit:μA )
● RS485
MODBUS-RTU
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