Power Info EM
Description
Powerstar Info EM provides local weather conditions of photovoltaic power plant, including: wind speed, wind direction, radiation, temperature and other environmental parameters.
Hardware includes: wind speed sensor, wind direction sensor, solar radiation table, temperature probe, control box and the bracket.
Technique Parameter
The sensor machine for wind speed and wind direction
|
Item
|
Air speed
|
Air course
|
|
Start air speed
|
≤0.5m/s
|
≤0.5m/s
|
|
Measuring range
|
0～75m/s
|
0～360°
|
|
Accuracy
|
±(0.3+0.03V)m/s
|
±3°
|
|
Explain a rate
|
0.1m/s
|
2.8125°
|
|
Be apart from constant
|
≤3m
|
≤1.5m
|
|
Damping ratio
|
-
|
≥0.4
|
|
Output a semaphore form
|
Pulse（frequency）
|
Seven gray code （ or a potentiometer ）
|
|
Working voltage
|
DC5V
|
DC5V
|
|
Working current
|
5mA
|
70mA
|
|
Wind resistance
|
＞80m/s
|
＞80m/s
|
|
Maximum height
|
270mm
|
252mm
|
|
Maximum radius of gyration
|
113mm
|
440mm
|
|
Weight
|
0.69kg
|
0.92 kg
|
|
Ambient temperature
|
-40～55℃
|
-40～55℃
|
|
Ambient humidity
|
100%RH
|
100%RH
|
The technique parameter for sunshine radiation table
|
Sensitivity
|
PVS-8
|
|
Time response
|
≤30s
|
|
Internal resistance
|
350Ω
|
|
Stability
|
±2%
|
|
Cosine
|
≤+10%
|
|
Spectral range
|
0.3～3.0
|
|
Temperature characteristics
|
±2%(-20℃～40℃)
|
|
Weight
|
2.5kg
|
Notice: Products shall be subject to any changes without additional notices. The pictures are for reference only. Please adhere to the original products in case of any mistake!
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