| Description |
Sensor type |
total solar radiation sensor - cosine corrected |
| Applications |
• solar resource assessment
• meteorological studies
• environmental monitoring |
| Sensor range |
0 W/m2 to 3000 W/m2 |
Instrument
compatibility |
• NRG Wind Explorer
• NRG 9200-PLUS
• NRG Symphonie w/ Solar SCM
• any NRG 9300SA, NRG 9300CL , NRG 9300TL equipped with a
VTS
SIM
card |
| Output signal |
Signal type |
microamp current proportional to total solar radiation |
| Transfer function |
• included on calibration certificate
• typical is 90 μA per 1000 Watts/m2 |
| Accuracy |
maximum deviation of 1% for sensor range |
Recommended load
resistance |
147 ohms (for voltage output), Load resistance is not required for
connection
to NRG Symphonie or NRG 9300SA, 9300CL, or 9300TL
loggers |
| Calibration |
• calibation sheet included with each sensor defines output in microamps
per 1000 Watts/square meter
• calibrated against Eppley Precision Spectral Pyranometer under natural
daylight conditions.
Output signal range 0 μA to 270 μA (typical) |
| Output signal range |
0 μA to 270 μA (typical) |
| Drift |
+/- 2% change over a 1 year period |
Response
characteristics |
Threshold |
0.1 W/m2 |
| Installation |
Mounting |
mounts to tower with custom NRG side mounting boom and hose clamps |
| Tools required |
• sheet metal shears or similar for hose clamps
• 5/16 inch hex driver or flat blade screwdriver
• 0.05 inch hex key (included); metric #4 allen wrench for level
adjustment |
| Environmental |
Operating
temperature
range |
-40 °C to 65 °C (-40 °F to 149 °F) |
Operating
humidity range |
0 to 100% |
| Physical |
Connections |
2 bare wire leads from coaxial cable |
| Cable length |
3 m (10 feet) |
| Weight |
28 g (1.0 ounces) |
| Dimensions |
• 23.8 mm (0.94 inches) diameter
• 25.4 mm (1 inch) length |
| Materials |
Cable |
shielded coaxial |
| Detector |
high-stability silicon photovoltaic |
| Enclosure |
weatherproof anodized aluminum case with acrylic diffuser and stainless
steel hardware |
