The SP-522-SS Modbus Digital Output Thermopile Pyranometer is a high-performance solar radiation sensor designed for accurate and reliable shortwave radiation measurement in environmental and renewable energy applications. Featuring advanced thermopile technology with a blackbody detector, the sensor delivers stable and precise readings across a wide range of atmospheric conditions.
Specifications
| Specification | Details |
|---|---|
| ISO Classification | ISO 9060:2018 Class C (fast response) |
| Input Voltage Requirement | 5.5 to 24 V |
| Average Max Current Draw | 4 mA (heater off); 30 mA (heater on) |
| Calibration Uncertainty at 1000 W/m² | Less than 3% |
| Measurement Repeatability | Less than 1% |
| Long-term Drift (Non-stability) | Less than 2% per year |
| Non-linearity | Less than 1% (up to 2000 W mˉ²) |
| Detector Response Time | 0.5 s (baudrate dependant) |
| Field of View | 180˚ |
| Spectral Range | 385 to 2105 nm (wavelengths where response is 50 % of maximum) |
| Directional (Cosine) Response | Less than 30 W mˉ² at 80˚ solar zenith |
| Temperature Response | Less than 5% from -15°C to 45°C |
| Zero Offset A | Less than 5 W mˉ²; Less than 10 W mˉ² (heated) |
| Zero Offset B | Less than 5 W mˉ² |
| Operating Environment | -50°C to 80°C; 0 to 100% RH; submersible up to 30 m |
| Dimensions | 30.5 mm diameter, 37 mm height |
| Mass | 140 g (with 5 m cable) |
| Cable | 5 m shielded twisted-pair cable with TPR jacket |
| Warranty | 4 years against defects in materials and workmanship |
| Manufactured | Assembled in the USA |
Weather Monitoring
Ecological
Solar Energy Monitoring
Agriculture Monitoring
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