Solar Radiation Sensors / SN500SS
Digital, Low-cost Net Radiometer
Overview
This four-component net radiometer, manufactured by Apogee Instruments, provides individual measurement of net radiation components. This sensor features an SDI-12 output, eliminating the need for multiple analog channels to measure the individual components of net radiation. The SN500SS offers a complete package that includes a net radiometer, mounting rod, pigtail lead cable for data logger interface, and a carrying case.
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Specifications
| Sensor | Two thermopile pyranometers, two pyrgeometers |
| Measurement Description | Measures incoming and outgoing short-wave and long-wave radiation |
| Heater | 62 mA current drain and 740 mW power requirement at 12 Vdc |
| Operating Temperature Range | -50° to +80°C and 0 to 100% humidity |
| Response Time | 1 s (SDI-12 data transfer rate; detector response times are 0.5 s) |
| Heater Current Drain |
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| Dimensions | 11.6 x 4.5 x 6.6 cm (4.6 x 1.8 x 2.6 in.) |
| Weight | 320 g (11.29 oz) with mounting rod and 5 m (16.4 ft) of lead wire |
Pyranometer |
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| Spectral Range |
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| Sensitivity |
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| Expected Output Range |
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Pyrgeometer |
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| Spectral Range | 5,000 to 30,000 nm |
| Sensitivity | 0.12 mV per W/m2 |
| Expected Output Range | -24 to +24 mV |
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