The Pyranometer or Solar Radiation Sensor – Model 5790-00 is designed for field measurements in energy, agricultural, meteorological, and hydrological applications. The Pyranometer or Solar Radiation Sensor has been used extensively in solar energy studies for site evaluation and monitoring passive system analysis, irrigation scheduling, and other environmental studies.
The Pyranometer or Solar Radiation Sensor features a silicon photovoltaic detector mounted in a fully cosine-corrected miniature head. The Pyranometer or Solar Radiation Sensor can be mounted in any plane, or hand held without affecting its performance.
For clear, unobstructed daylight conditions, the Pyranometer or Solar Radiation Sensor – Model 5790-00 compares favorably with thermopile type pyranometers, but is priced at half the cost. The Pyranometer or Solar Radiation Sensor’s spectral response does not cover the full range of the solar spectrum, but the error induced is less ±5% under most conditions of natural light.
NOTE: It is recommended the Pyranometer or Solar Radiation Sensor – Model 5790-00 should not be used under vegetation or artificial lights because it has been calibrated for the daylight spectrum.
Specifications
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| Range | 0 to 1500 W/m-2 with converter |
| Calibration | ±3% in natural daylight conditions, within ±60° angle of incidence |
| Sensitivity | Typically 75 µA per 1000 W/m-2 |
| Linearity | Max deviation of 1% up to 3000 W/m-2 |
| Stability | <+2% change over a 1 year period |
| Response Time | 1 µS (2 m cable terminated into a 147 Ω load) |
| Temperature Dependence | 0.15 per °C maximum |
| Cosine Correction | Cosine corrected up to 82° angle of incidence |
| Azimuth | |
| Tilt | No error induced from orientation |
| Output | 0 to 5 VDC with converter |
| Detector | High stability silicon photovoltaic detector (blue enhanced) |
| Power Required | 9 to 30 VDC@-2with converter |
| Cable Length | 50 ft (15.2 m) sensor cable, 6 ft (1.83 m) signal cable with 4-Pin MS connector |
| Sensor Housing | Weatherproof anodized aluminum case with acrylic diffuser and stainless steel hardware, O-ring seal on the sensor base |
| Operating Temperature | -40° to 149° F (-40° to 65° C) |
| Operating Humidity | 0 to 95%, Non-Condensing |
| Dimensions | 0.93×1.43 in (2.36×3.63 cm) Dia.xH |
| Weight | 1 oz (28.35 g) |
| Shipping Weight | 2 lbs (0.91 kg) |
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Ordering Guide
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| Model 5790-00 | Solar Radiation Sensor, Includes: 50 ft (15.2 m) cable, 4005-03 Signal conditioning circuit with 6 ft (1.83 m) cable and 4-Pin MS connector, and mounting and leveling fixture. (If mounting on a pole or mast, a 5790-02 mounting bracket is required.) |
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| Model 5790-01 | Extra Sensor Cable (from sensor to converter) |
| Model 5102-00 | Extra Signal Cable, 5 Conductor Signal Cable (from converter to monitoring device) |
| Model 4005-03 | Signal Conditioning Circuit (0 to 150 µA in, 0 to 5 VDC out), Includes: DIN rail mounting, 6 ft (1.83 m) signal cable with 4-Pin MS connector, mounting plate and hardware. |
| Model 5790-02 | Mounting Bracket for Pole or Mast |
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